added annotations to all files

src/AI/AIManager.ts

@@ -1,10 +1,15 @@
 import { Actor, AI, Updateable } from "../DataTypes/Interfaces/Descriptors";
 import Map from "../DataTypes/Map";
 
+/**
+ * A manager class for all of the AI in a scene.
+ * Keeps a list of registered actors and handles AI generation for actors.
+ */
 export default class AIManager implements Updateable {
+	/** The array of registered actors */
 	actors: Array<Actor>;
-
-	registeredAI: Map<new <T extends AI>() => T>;
+	/** Maps AI names to their constructors */
+	registeredAI: Map<AIConstructor>;
 
 	constructor(){
 		this.actors = new Array();
@@ -20,10 +25,20 @@ export default class AIManager implements Updateable {
 		this.actors.push(actor);
 	}
 
+	/**
+	 * Registers an AI with the AIManager for use later on
+	 * @param name The name of the AI to register
+	 * @param constr The constructor for the AI
+	 */
 	registerAI(name: string, constr: new <T extends AI>() => T ): void {
 		this.registeredAI.add(name, constr);
 	}
 
+	/**
+	 * Generates an AI instance from its name
+	 * @param name The name of the AI to add
+	 * @returns A new AI instance
+	 */
 	generateAI(name: string): AI {
 		if(this.registeredAI.has(name)){
 			return new (this.registeredAI.get(name))();
@@ -36,4 +51,6 @@ export default class AIManager implements Updateable {
 		// Run the ai for every active actor
 		this.actors.forEach(actor => { if(actor.aiActive) actor.ai.update(deltaT) });
 	}
-}
+}
+
+type AIConstructor = new <T extends AI>() => T;

src/AI/StateMachineAI.ts

@@ -2,8 +2,13 @@ import { AI } from "../DataTypes/Interfaces/Descriptors";
 import StateMachine from "../DataTypes/State/StateMachine";
 import GameNode from "../Nodes/GameNode";
 
+/**
+ * A version of a @reference[StateMachine] that is configured to work as an AI controller for a @reference[GameNode]
+ */
 export default class StateMachineAI extends StateMachine implements AI {
+	/**	The GameNode that uses this StateMachine for its AI */
 	protected owner: GameNode;
 
+	// @implemented
 	initializeAI(owner: GameNode, config: Record<string, any>): void {}
 }

src/DataTypes/Collection.ts

@@ -1,12 +1,12 @@
+// @ignorePage
 
-// TODO - Is there already a way to do this in js/ts?
 /**
  * An interface for all iterable data custom data structures
  */
 export default interface Collection {
 	/**
 	 * Iterates through all of the items in this data structure.
-	 * @param func 
+	 * @param func The function to evaluate of every item in the collection
 	 */
 	forEach(func: Function): void;
 

src/DataTypes/Graphs/EdgeNode.ts

@@ -0,0 +1,22 @@
+/**
+ * A linked-list for the edges in a @reference[Graph].
+ */
+export default class EdgeNode {
+    /** The node in the Graph this edge connects to */
+    y: number;
+    /** The weight of this EdgeNode */
+	weight: number;
+    /** The next EdgeNode in the linked-list */
+    next: EdgeNode;
+
+    /**
+     * Creates a new EdgeNode
+     * @param index The index of the node this edge connects to
+     * @param weight The weight of this edge
+     */
+	constructor(index: number, weight?: number){
+		this.y = index;
+		this.next = null;
+		this.weight = weight ? weight : 1;
+	}
+}

src/DataTypes/Graphs/Graph.ts

@@ -1,13 +1,28 @@
+import EdgeNode from "./EdgeNode";
+
 export const MAX_V = 100;
 
+/**
+ * An implementation of a graph data structure using edge lists. Inspired by The Algorithm Design Manual.
+ */
 export default class Graph {
+	/** An array of edges at the node specified by the index */
 	edges: Array<EdgeNode>;
+	/** An array representing the degree of the node specified by the index */
 	degree: Array<number>;
+	/** The number of vertices in the graph */
 	numVertices: number;
+	/** The number of edges in the graph */
 	numEdges: number;
+	/** Whether or not the graph is directed */
 	directed: boolean;
+	/** Whether or not the graph is weighted */
 	weighted: boolean;
 
+	/**
+	 * Constructs a new graph
+	 * @param directed Whether or not this graph is directed
+	 */
 	constructor(directed: boolean = false){
 		this.directed = directed;
 		this.weighted = false;
@@ -19,12 +34,20 @@ export default class Graph {
 		this.degree = new Array(MAX_V);
 	}
 
+	/** Adds a node to this graph and returns the index of it
+	 * @returns The index of the new node
+	*/
 	addNode(): number {
 		this.numVertices++;
 		return this.numVertices;
 	}
 
-	addEdge(x: number, y: number, weight?: number){
+	/** Adds an edge between node x and y, with an optional weight
+	 * @param x The index of the start of the edge
+	 * @param y The index of the end of the edge
+	 * @param weight The optional weight of the new edge
+	*/
+	addEdge(x: number, y: number, weight?: number): void {
 		let edge = new EdgeNode(y, weight);
 
 		if(this.edges[x]){
@@ -46,18 +69,36 @@ export default class Graph {
 		this.numEdges += 1;
 	}
 
+	/**
+	 * Gets the edge list associated with node x
+	 * @param x The index of the node
+	 * @returns The head of a linked-list of edges
+	 */
 	getEdges(x: number): EdgeNode {
 		return this.edges[x];
 	}
 
+	/**
+	 * Gets the degree associated with node x
+	 * @param x The index of the node
+	 */
 	getDegree(x: number): number {
 		return this.degree[x];
 	}
 
+	/**
+	 * Converts the specifed node into a string
+	 * @param index The index of the node to convert to a string
+	 * @returns The string representation of the node: "Node x"
+	 */
 	protected nodeToString(index: number): string {
 		return "Node " + index;
 	}
 
+	/**
+	 * Converts the Graph into a string format
+	 * @returns The graph as a string
+	 */
 	toString(): string {
 		let retval = "";
 
@@ -81,16 +122,4 @@ export default class Graph {
 
 		return retval;
 	}
-}
-
-export class EdgeNode {
-	y: number;
-	next: EdgeNode;
-	weight: number;
-
-	constructor(index: number, weight?: number){
-		this.y = index;
-		this.next = null;
-		this.weight = weight ? weight : 1;
-	}
 }

src/DataTypes/Graphs/PositionGraph.ts

@@ -2,27 +2,74 @@ import Graph, { MAX_V } from "./Graph";
 import Vec2 from "../Vec2";
 import { DebugRenderable } from "../Interfaces/Descriptors";
 
-export default class PositionGraph extends Graph implements DebugRenderable{
+/**
+ * An extension of Graph that has nodes with positions in 2D space.
+ * This is a weighted graph (though not inherently directd)
+*/
+export default class PositionGraph extends Graph implements DebugRenderable {
+	/** An array of the positions of the nodes in this graph */
 	positions: Array<Vec2>;
 
+	/**
+	 * Createes a new PositionGraph
+	 * @param directed Whether or not this graph is directed
+	 */
 	constructor(directed: boolean = false){
 		super(directed);
 		this.positions = new Array(MAX_V);
 	}
 
-	addPositionedNode(position: Vec2){
+	/**
+	 * Adds a positioned node to this graph
+	 * @param position The position of the node to add
+	 * @returns The index of the added node
+	 */
+	addPositionedNode(position: Vec2): number {
 		this.positions[this.numVertices] = position;
-		this.addNode();
+		return this.addNode();
 	}
 
+	/**
+	 * Changes the position of a node.
+	 * Automatically adjusts the weights of the graph tied to this node.
+	 * As such, be warned that this function has an O(n + m) running time, and use it sparingly.
+	 * @param index The index of the node
+	 * @param position The new position of the node
+	 */
 	setNodePosition(index: number, position: Vec2): void {
 		this.positions[index] = position;
+
+		// Recalculate all weights associated with this index
+		for(let i = 0; i < this.numEdges; i++){
+
+			let edge = this.edges[i];
+
+			while(edge !== null){
+				// If this node is on either side of the edge, recalculate weight
+				if(i === index || edge.y === index){
+					edge.weight = this.positions[i].distanceTo(this.positions[edge.y]);
+				}
+
+				edge = edge.next;
+			}
+		}
 	}
 
+	/**
+	 * Gets the position of a node
+	 * @param index The index of the node
+	 * @returns The position of the node
+	 */
 	getNodePosition(index: number): Vec2 {
 		return this.positions[index];
 	}
 
+	/**
+	 * Adds an edge to this graph between node x and y.
+	 * Automatically calculates the weight of the edge as the distance between the nodes.
+	 * @param x The beginning of the edge
+	 * @param y The end of the edge
+	 */
 	addEdge(x: number, y: number): void {
 		if(!this.positions[x] || !this.positions[y]){
 			throw "Can't add edge to un-positioned node!";
@@ -34,6 +81,7 @@ export default class PositionGraph extends Graph implements DebugRenderable{
 		super.addEdge(x, y, weight);
 	}
 
+	// @override
 	protected nodeToString(index: number): string {
 		return "Node " + index + " - " + this.positions[index].toString();
 	}

src/DataTypes/Interfaces/Descriptors.ts

@@ -5,6 +5,8 @@ import Vec2 from "../Vec2";
 import NavigationPath from "../../Pathfinding/NavigationPath";
 import GameNode from "../../Nodes/GameNode";
 
+// @ignorePage
+
 export interface Unique {
     /** The unique id of this object. */
     id: number;
@@ -194,4 +196,4 @@ export interface Updateable {
 export interface DebugRenderable {
     /** Renders the debugging infor for this object. */
     debugRender(): void;
-}
+}

src/DataTypes/Map.ts

@@ -6,14 +6,15 @@ import Collection from "./Collection";
 export default class Map<T> implements Collection {
 	private map: Record<string, T>;
 
+	/** Creates a new map */
 	constructor(){
 		this.map = {};
 	}
 
 	/**
 	 * Adds a value T stored at a key.
-	 * @param key 
-	 * @param value 
+	 * @param key The key of the item to be stored
+	 * @param value The item to be stored
 	 */
 	add(key: string, value: T): void {
 		this.map[key] = value;
@@ -21,16 +22,17 @@ export default class Map<T> implements Collection {
 
 	/**
 	 * Get the value associated with a key.
-	 * @param key 
+	 * @param key The key of the item
+	 * @returns The item at the key or undefined
 	 */
 	get(key: string): T {
 		return this.map[key];
 	}
 
 	/**
-	 * Sets the value stored at key to the new specified value
-	 * @param key 
-	 * @param value 
+	 * An alias of add. Sets the value stored at key to the new specified value
+	 * @param key The key of the item to be stored
+	 * @param value The item to be stored
 	 */
 	set(key: string, value: T): void {
 		this.add(key, value);
@@ -38,7 +40,8 @@ export default class Map<T> implements Collection {
 
 	/**
 	 * Returns true if there is a value stored at the specified key, false otherwise.
-	 * @param key 
+	 * @param key The key to check
+	 * @returns A boolean representing whether or not there is an item at the given key.
 	 */
 	has(key: string): boolean {
 		return this.map[key] !== undefined;
@@ -46,11 +49,13 @@ export default class Map<T> implements Collection {
 
 	/**
 	 * Returns an array of all of the keys in this map.
+	 * @returns An array containing all keys in the map.
 	 */
 	keys(): Array<string> {
 		return Object.keys(this.map);
 	}
 	
+	// @implemented
 	forEach(func: (key: string) => void): void {
 		Object.keys(this.map).forEach(key => func(key));
 	}
@@ -63,10 +68,15 @@ export default class Map<T> implements Collection {
 		delete this.map[key];
 	}
 
+	// @implemented
 	clear(): void {
 		this.forEach(key => delete this.map[key]);
 	}
 
+	/**
+	 * Converts this map to a string representation.
+	 * @returns The string representation of this map.
+	 */
 	toString(): string {
 		let str = "";
 

src/DataTypes/Physics/AreaCollision.ts

@@ -0,0 +1,21 @@
+import AABB from "../Shapes/AABB";
+
+/**
+ * A class that contains the area of overlap of two colliding objects to allow for sorting by the physics system.
+ */
+export default class AreaCollision {
+    /** The area of the overlap for the colliding objects */
+    area: number;
+    /** The AABB of the other collider in this collision */
+    collider: AABB;
+    
+    /**
+     * Creates a new AreaCollision object
+     * @param area The area of the collision
+     * @param collider The other collider
+     */
+	constructor(area: number, collider: AABB){
+		this.area = area;
+		this.collider = collider;
+	}
+}

src/DataTypes/Physics/Hit.ts

@@ -0,0 +1,18 @@
+import Vec2 from "../Vec2";
+
+/**
+ * An object representing the data collected from a physics hit between two geometric objects.
+ * Inspired by the helpful collision documentation @link(here)(https://noonat.github.io/intersect/).
+ */
+export default class Hit {
+    /** The time of the collision. Only numbers 0 through 1 happen in this frame. */
+    time: number;
+    /** The near times of the collision */
+    nearTimes: Vec2 = Vec2.ZERO;
+    /** The position of the collision */
+    pos: Vec2 = Vec2.ZERO;
+    /** The overlap distance of the hit */
+    delta: Vec2 = Vec2.ZERO;
+    /** The normal vector of the hit */
+    normal: Vec2 = Vec2.ZERO;
+}

src/DataTypes/QuadTree.ts

@@ -5,6 +5,8 @@ import { Positioned } from "./Interfaces/Descriptors";
 
 // TODO - Make max depth
 
+// @ignorePage
+
 /**
  * Primarily used to organize the scene graph
  */

src/DataTypes/Queue.ts

@@ -4,12 +4,25 @@ import Collection from "./Collection";
  * A FIFO queue with elements of type T
  */
 export default class Queue<T> implements Collection {
-	private readonly MAX_ELEMENTS: number;
-	private q: Array<T>;
-	private head: number;
+    /** The maximum number of elements in the Queue */
+    private readonly MAX_ELEMENTS: number;
+
+    /** The internal representation of the queue */
+    private q: Array<T>;
+    
+    /** The head of the queue */
+    private head: number;
+    
+    /** The tail of the queue */
     private tail: number;
+
+    /** The current number of items in the queue */
     private size: number;
 
+    /**
+     * Constructs a new queue
+     * @param maxElements The maximum size of the stack
+     */
     constructor(maxElements: number = 100){
         this.MAX_ELEMENTS = maxElements;
         this.q = new Array(this.MAX_ELEMENTS);
@@ -20,7 +33,7 @@ export default class Queue<T> implements Collection {
 
     /**
      * Adds an item to the back of the queue
-     * @param item 
+     * @param item The item to add to the back of the queue
      */
     enqueue(item: T): void{
         if((this.tail + 1) % this.MAX_ELEMENTS === this.head){
@@ -34,6 +47,7 @@ export default class Queue<T> implements Collection {
 
     /**
      * Retrieves an item from the front of the queue
+     * @returns The item at the front of the queue
      */
     dequeue(): T {
         if(this.head === this.tail){
@@ -51,7 +65,8 @@ export default class Queue<T> implements Collection {
     }
 
     /**
-     * Returns the item at the front of the queue, but does not return it
+     * Returns the item at the front of the queue, but does not remove it
+     * @returns The item at the front of the queue
      */
     peekNext(): T {
         if(this.head === this.tail){
@@ -65,6 +80,7 @@ export default class Queue<T> implements Collection {
 
     /**
      * Returns true if the queue has items in it, false otherwise
+     * @returns A boolean representing whether or not this queue has items
      */
     hasItems(): boolean {
         return this.head !== this.tail;
@@ -72,17 +88,20 @@ export default class Queue<T> implements Collection {
 
     /**
      * Returns the number of elements in the queue.
+     * @returns The size of the queue
      */
     getSize(): number {
         return this.size;
     }
 
+    // @implemented
     clear(): void {
         this.forEach((item, index) => delete this.q[index]);
         this.size = 0;
         this.head = this.tail;
     }
 
+    // @implemented
     forEach(func: (item: T, index?: number) => void): void {
         let i = this.head;
         while(i !== this.tail){

src/DataTypes/RegionQuadTree.ts

@@ -6,38 +6,34 @@ import Map from "./Map";
 import Stats from "../Debug/Stats";
 
 /**
- * Primarily used to organize the scene graph
+ * A quadtree data structure implemented to work with regions rather than points.
+ * Elements in this quadtree have a position and an area, and thus can span multiple
+ * quadtree branches.
  */
 export default class QuadTree<T extends Region & Unique> implements Collection {
-    /**
-     * The center of this quadtree
-     */
+    /** The center of this quadtree */
     protected boundary: AABB;
 
-    /**
-     * The number of elements this quadtree root can hold before splitting
-     */
+    /** The number of elements this quadtree root can hold before splitting */
     protected capacity: number;
 
-    /**
-     * The maximum height of the quadtree from this root
-     */
+    /** The maximum height of the quadtree from this root */
     protected maxDepth: number;
 
-    /**
-     * Represents whether the quadtree is a root or a leaf
-     */
+    /** Represents whether the quadtree is a root or a leaf */
     protected divided: boolean;
 
-    /**
-     * The array of the items in this quadtree
-     */
+    /** The array of the items in this quadtree */
     protected items: Array<T>;
 
     // The child quadtrees of this one
+    /** The top left child */
     protected nw: QuadTree<T>;
+    /** The top right child */
     protected ne: QuadTree<T>;
+    /** The bottom left child */
     protected sw: QuadTree<T>;
+    /** The bottom right child */
     protected se: QuadTree<T>;
 
     constructor(center: Vec2, size: Vec2, maxDepth?: number, capacity?: number){
@@ -92,6 +88,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
     /**
      * Returns all items at this point.
      * @param point The point to query at
+     * @returns A list of all elements in the quadtree that contain the specified point
      */
     queryPoint(point: Vec2): Array<T> {
         // A matrix to keep track of our results
@@ -105,6 +102,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         return results;
     }
 
+    // @ignoreFunction
     /**
      * A recursive function called by queryPoint
      * @param point The point being queried
@@ -135,10 +133,11 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         }
     }
 
-/**
+    /**
      * Returns all items in this region
      * @param boundary The region to check
      * @param inclusionCheck Allows for additional inclusion checks to further refine searches
+     * @returns A list of all elements in the specified region
      */
     queryRegion(boundary: AABB): Array<T> {
         // A matrix to keep track of our results
@@ -152,6 +151,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         return results;
     }
 
+    // @ignoreFunction
     /**
      * A recursive function called by queryPoint
      * @param point The point being queried
@@ -213,7 +213,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
 
     /**
      * Defers this insertion to the children of this quadtree 
-     * @param item 
+     * @param item The item to insert
      */
     protected deferInsert(item: T): void {
         this.nw.insert(item);
@@ -222,10 +222,6 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         this.se.insert(item);
     }
 
-    /**
-     * Renders the quadtree for demo purposes.
-     * @param ctx 
-     */
     public render_demo(ctx: CanvasRenderingContext2D, origin: Vec2, zoom: number): void {
         ctx.strokeStyle = "#0000FF";
         ctx.strokeRect((this.boundary.x - this.boundary.hw - origin.x)*zoom, (this.boundary.y - this.boundary.hh - origin.y)*zoom, 2*this.boundary.hw*zoom, 2*this.boundary.hh*zoom);
@@ -238,6 +234,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         }
     }
 
+    // @implemented
     forEach(func: Function): void {
         // If divided, send the call down
         if(this.divided){
@@ -253,9 +250,7 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         }
     }
 
-    /**
-     * Clear the items in this quadtree
-     */
+    // @implemented
     clear(): void {
         if(this.nw){
             this.nw.clear();
@@ -271,7 +266,6 @@ export default class QuadTree<T extends Region & Unique> implements Collection {
         this.items.length = 0;
 
         this.divided = false;
-
     }
 
 }

src/DataTypes/Shapes/AABB.ts

@@ -2,77 +2,64 @@ import Shape from "./Shape";
 import Vec2 from "../Vec2";
 import MathUtils from "../../Utils/MathUtils";
 import Circle from "./Circle";
-import Debug from "../../Debug/Debug";
+import Hit from "../Physics/Hit";
 
+/**
+ * An Axis-Aligned Bounding Box. In other words, a rectangle that is always aligned to the x-y grid.
+ * Inspired by the helpful collision documentation @link(here)(https://noonat.github.io/intersect/).
+ */
 export default class AABB extends Shape {
-
     center: Vec2;
     halfSize: Vec2;
 
+    /**
+     * Creates a new AABB
+     * @param center The center of the AABB
+     * @param halfSize The half size of the AABB - The distance from the center to an edge in x and y
+     */
     constructor(center?: Vec2, halfSize?: Vec2){
         super();
         this.center = center ? center : new Vec2(0, 0);
         this.halfSize = halfSize ? halfSize : new Vec2(0, 0);
     }
 
-    get x(): number {
-        return this.center.x;
-    }
-
-    get y(): number {
-        return this.center.y;
-    }
-
-    get hw(): number {
-        return this.halfSize.x;
-    }
-
-    get hh(): number {
-        return this.halfSize.y;
-    }
-
-    get top(): number {
-        return this.y - this.hh;
-    }
-
-    get bottom(): number {
-        return this.y + this.hh;
-    }
-
-    get left(): number {
-        return this.x - this.hw;
-    }
-
-    get right(): number {
-        return this.x + this.hw;
-    }
-
+    // @override
     getBoundingRect(): AABB {
         return this.clone();
     }
 
+    // @override
     getBoundingCircle(): Circle {
         let r = Math.max(this.hw, this.hh)
         return new Circle(this.center.clone(), r);
     }
 
+    // @deprecated
     getHalfSize(): Vec2 {
         return this.halfSize;
     }
 
+    // @deprecated
     setHalfSize(halfSize: Vec2): void {
         this.halfSize = halfSize;
     }
 
+    // TODO - move these all to the Shape class
     /**
      * A simple boolean check of whether this AABB contains a point
-     * @param point 
+     * @param point The point to check
+     * @returns A boolean representing whether this AABB contains the specified point
      */
     containsPoint(point: Vec2): boolean {
         return point.x >= this.x - this.hw && point.x <= this.x + this.hw
             && point.y >= this.y - this.hh && point.y <= this.y + this.hh
     }
     
+    /**
+     * A simple boolean check of whether this AABB contains a point
+     * @param point The point to check
+     * @returns A boolean representing whether this AABB contains the specified point
+     */
     intersectPoint(point: Vec2): boolean {
         let dx = point.x - this.x;
         let px = this.hw - Math.abs(dx);
@@ -94,7 +81,8 @@ export default class AABB extends Shape {
     /**
      * A boolean check of whether this AABB contains a point with soft left and top boundaries.
      * In other words, if the top left is (0, 0), the point (0, 0) is not in the AABB
-     * @param point 
+     * @param point The point to check
+     * @returns A boolean representing whether this AABB contains the specified point
      */
     containsPointSoft(point: Vec2): boolean {
         return point.x > this.x - this.hw && point.x <= this.x + this.hw
@@ -105,10 +93,9 @@ export default class AABB extends Shape {
     /**
      * Returns the data from the intersection of this AABB with a line segment from a point in a direction
      * @param point The point that the line segment starts from
-     * @param direction The direction the point will go
-     * @param distance The length of the line segment, if the direction is a unit vector
-     * @param paddingX Pads the AABB in the x axis
-     * @param paddingY Pads the AABB in the y axis
+     * @param delta The direction and distance of the segment
+     * @param padding Pads the AABB to make it wider for the intersection test
+     * @returns The Hit object representing the intersection, or null if there was no intersection
      */
     intersectSegment(point: Vec2, delta: Vec2, padding?: Vec2): Hit {
         let paddingX = padding ? padding.x : 0;
@@ -172,6 +159,7 @@ export default class AABB extends Shape {
         return hit;
     }
 
+    // @override
     overlaps(other: Shape): boolean {
         if(other instanceof AABB){
             return this.overlapsAABB(other);
@@ -181,9 +169,10 @@ export default class AABB extends Shape {
 
     /**
      * A simple boolean check of whether this AABB overlaps another
-     * @param other 
+     * @param other The other AABB to check against
+     * @returns True if this AABB overlaps the other, false otherwise
      */
-    overlapsAABB(other: AABB): boolean {
+    protected overlapsAABB(other: AABB): boolean {
         let dx = other.x - this.x;
         let px = this.hw + other.hw - Math.abs(dx);
         
@@ -201,7 +190,11 @@ export default class AABB extends Shape {
         return true;
     }
 
-    // TODO - Implement this generally and use it in the tilemap
+    /**
+     * Calculates the area of the overlap between this AABB and another
+     * @param other The other AABB
+     * @returns The area of the overlap between the AABBs
+     */
     overlapArea(other: AABB): number {
         let leftx = Math.max(this.x - this.hw, other.x - other.hw);
         let rightx = Math.min(this.x + this.hw, other.x + other.hw);
@@ -241,19 +234,16 @@ export default class AABB extends Shape {
         this.halfSize.set(centerX - minX, centerY - minY);
     }
     
+    // @override
     clone(): AABB {
         return new AABB(this.center.clone(), this.halfSize.clone());
     }
 
+    /**
+     * Converts this AABB to a string format
+     * @returns (center: (x, y), halfSize: (x, y))
+     */
     toString(): string {
         return "(center: " + this.center.toString() + ", half-size: " + this.halfSize.toString() + ")"
     }
-}
-
-export class Hit {
-    time: number;
-    nearTimes: Vec2 = Vec2.ZERO;
-    pos: Vec2 = Vec2.ZERO;
-    delta: Vec2 = Vec2.ZERO;
-    normal: Vec2 = Vec2.ZERO;
 }

src/DataTypes/Shapes/Circle.ts

@@ -2,10 +2,18 @@ import Vec2 from "../Vec2";
 import AABB from "./AABB";
 import Shape from "./Shape";
 
+/**
+ * A Circle
+ */
 export default class Circle extends Shape {
 	private _center: Vec2;
 	private radius: number;
 	
+	/**
+	 * Creates a new Circle
+	 * @param center The center of the circle
+	 * @param radius The radius of the circle
+	 */
 	constructor(center: Vec2, radius: number) {
 		super();
         this._center = center ? center : new Vec2(0, 0);
@@ -24,18 +32,22 @@ export default class Circle extends Shape {
 		return new Vec2(this.radius, this.radius);
 	}
 
+	// @override
 	getBoundingRect(): AABB {
 		return new AABB(this._center.clone(), new Vec2(this.radius, this.radius));
 	}
 
+	// @override
 	getBoundingCircle(): Circle {
 		return this.clone();
 	}
 
+	// @override
 	overlaps(other: Shape): boolean {
 		throw new Error("Method not implemented.");
 	}
 
+	// @override
 	clone(): Circle {
 		return new Circle(this._center.clone(), this.radius);
 	}

src/DataTypes/Shapes/Shape.ts

@@ -2,6 +2,9 @@ import Vec2 from "../Vec2";
 import AABB from "./AABB";
 import Circle from "./Circle";
 
+/**
+ * An abstract Shape class that acts as an interface for better interactions with subclasses.
+ */
 export default abstract class Shape {
     abstract get center(): Vec2;
 
@@ -9,16 +12,63 @@ export default abstract class Shape {
 
     abstract get halfSize(): Vec2;
 
-    /** Gets a bounding rectangle for this shape */
+    get x(): number {
+        return this.center.x;
+    }
+
+    get y(): number {
+        return this.center.y;
+    }
+
+    get hw(): number {
+        return this.halfSize.x;
+    }
+
+    get hh(): number {
+        return this.halfSize.y;
+    }
+
+    get top(): number {
+        return this.y - this.hh;
+    }
+
+    get bottom(): number {
+        return this.y + this.hh;
+    }
+
+    get left(): number {
+        return this.x - this.hw;
+    }
+
+    get right(): number {
+        return this.x + this.hw;
+    }
+
+    /**
+     * Gets a bounding rectangle for this shape. Warning - may be the same as this Shape.
+     * For instance, the bounding circle of an AABB is itself. Use clone() if you need a new shape.
+     * @returns An AABB that bounds this shape
+     */
     abstract getBoundingRect(): AABB;
 
-    /** Gets a bounding circle for this shape */
+    /**
+     * Gets a bounding circle for this shape. Warning - may be the same as this Shape.
+     * For instance, the bounding circle of a Circle is itself. Use clone() if you need a new shape.
+     * @returns A Circle that bounds this shape
+     */
     abstract getBoundingCircle(): Circle;
 
-    /** Returns a copy of this Shape */
+    /**
+     * Returns a copy of this Shape
+     * @returns A new copy of this shape
+     */
     abstract clone(): Shape;
 
-    /** Checks if this shape overlaps another */
+    /**
+     * Checks if this shape overlaps another
+     * @param other The other shape to check against
+     * @returns a boolean that represents whether this Shape overlaps the other one
+     */
     abstract overlaps(other: Shape): boolean;
 
     static getTimeOfCollision(A: Shape, velA: Vec2, B: Shape, velB: Vec2): [Vec2, Vec2, boolean, boolean] {

src/DataTypes/Spritesheet.ts

@@ -1,11 +1,22 @@
 import { AnimationData } from "../Rendering/Animations/AnimationTypes";
 
+/** A class representing data contained in a spritesheet.
+ * Spritesheets are the images associated with sprites, and contain images indexed in a grid, which
+ * correspond to animations.
+ */
 export default class Spritesheet {
+    /** The name of the spritesheet */
     name: string;
+    /** The image key of the spritesheet */
     spriteSheetImage: string;
+    /** The width of the sprite */
     spriteWidth: number;
+    /** The height of the sprite */
     spriteHeight: number;
+    /** The number of columns in the spritesheet */
     columns: number;
+    /** The number of rows in the spritesheet */
     rows: number;
+    /** An array of the animations associated with this spritesheet */
     animations: Array<AnimationData>;
 }

src/DataTypes/Stack.ts

@@ -4,10 +4,19 @@ import Collection from "./Collection";
  * A LIFO stack with items of type T
  */
 export default class Stack<T> implements Collection {
-	readonly MAX_ELEMENTS: number;
-	private stack: Array<T>;
+    /** The maximum number of elements in the Stack */
+    private readonly MAX_ELEMENTS: number;
+    
+    /** The internal representation of the stack */
+    private stack: Array<T>;
+    
+    /** The head of the stack */
 	private head: number;
 
+    /**
+     * Constructs a new stack
+     * @param maxElements The maximum size of the stack
+     */
     constructor(maxElements: number = 100){
         this.MAX_ELEMENTS = maxElements;
         this.stack = new Array<T>(this.MAX_ELEMENTS);
@@ -28,6 +37,7 @@ export default class Stack<T> implements Collection {
 
     /**
      * Removes an item from the top of the stack
+     * @returns The item at the top of the stack
      */
     pop(): T {
         if(this.head === -1){
@@ -39,6 +49,7 @@ export default class Stack<T> implements Collection {
 
     /**
      * Returns the element currently at the top of the stack
+     * @returns The item at the top of the stack
      */
     peek(): T {
         if(this.head === -1){
@@ -47,11 +58,14 @@ export default class Stack<T> implements Collection {
         return this.stack[this.head];
     }
 
-    /** Returns true if this stack is empty  */
+    /** Returns true if this stack is empty
+     * @returns A boolean that represents whether or not the stack is empty
+    */
     isEmpty(): boolean {
         return this.head === -1;
     }
 
+    // @implemented
     clear(): void {
         this.forEach((item, index) => delete this.stack[index]);
         this.head = -1;
@@ -59,11 +73,13 @@ export default class Stack<T> implements Collection {
 
     /**
      * Returns the number of items currently in the stack
+     * @returns The number of items in the stack
      */
     size(): number {
         return this.head + 1;
     }
 
+    // @implemented
     forEach(func: (item: T, index?: number) => void): void{
         let i = 0;
         while(i <= this.head){
@@ -72,6 +88,10 @@ export default class Stack<T> implements Collection {
         }
     }
 
+    /**
+     * Converts this stack into a string format
+     * @returns A string representing this stack
+     */
     toString(): string {
         let retval = "";
 

src/DataTypes/State/State.ts

@@ -3,10 +3,21 @@ import GameEvent from "../../Events/GameEvent";
 import { Updateable } from "../Interfaces/Descriptors";
 import StateMachine from "./StateMachine";
 
+/**
+ * An abstract implementation of a state for a @reference[StateMachine].
+ * This class should be extended to allow for custom state behaviors.
+ */
 export default abstract class State implements Updateable {
+    /** The StateMachine that uses this State */
     protected parent: StateMachine;
+
+    /** An event emitter */
     protected emitter: Emitter;
 
+    /**
+     * Constructs a new State
+     * @param parent The parent StateMachine of this state
+     */
     constructor(parent: StateMachine) {
         this.parent = parent;
         this.emitter = new Emitter();
@@ -18,11 +29,12 @@ export default abstract class State implements Updateable {
     abstract onEnter(): void;
 
     /**
-     * Handles an input event, such as taking damage.
-     * @param event 
+     * A lifecycle method that handles an input event, such as taking damage.
+     * @param event The GameEvent to process
      */
     abstract handleInput(event: GameEvent): void;
 
+    // @implemented
     abstract update(deltaT: number): void;
 
     /**
@@ -34,7 +46,7 @@ export default abstract class State implements Updateable {
     }
 
     /**
-     * This is called when the state is ending.
+     * A lifecycle method is called when the state is ending.
      */
     abstract onExit(): void;
 }

src/DataTypes/State/StateMachine.ts

@@ -8,18 +8,29 @@ import { Updateable } from "../Interfaces/Descriptors";
 
 /**
  * An implementation of a Push Down Automata State machine. States can also be hierarchical
- * for more flexibility, as described in Game Programming Principles.
+ * for more flexibility, as described in @link(Game Programming Patterns)(https://gameprogrammingpatterns.com/state.html).
  */
 export default class StateMachine implements Updateable {
+    /** A stack of the current states */
     protected stack: Stack<State>;
+    /** A mape of state keys to actual state instances */
     protected stateMap: Map<State>;
+    /** The current state */
     protected currentState: State;
+    /** An event receiver */
     protected receiver: Receiver;
+    /** An event emitter */
     protected emitter: Emitter;
+    /** A boolean representing whether or not this StateMachine is currently active */
     protected active: boolean;
+    /** A boolean representing whether or not this StateMachine should emit an event on state change */
     protected emitEventOnStateChange: boolean;
+    /** The name of the event to be emitted on state change */
     protected stateChangeEventName: string;
 
+    /**
+     * Creates a new StateMachine
+     */
     constructor(){
         this.stack = new Stack();
         this.stateMap = new Map();
@@ -56,7 +67,7 @@ export default class StateMachine implements Updateable {
      * Initializes this state machine with an initial state and sets it running
      * @param initialState The name of initial state of the state machine
      */
-    initialize(initialState: string){
+    initialize(initialState: string): void {
         this.stack.push(this.stateMap.get(initialState));
         this.currentState = this.stack.peek();
         this.setActive(true);
@@ -109,6 +120,7 @@ export default class StateMachine implements Updateable {
         this.currentState.handleInput(event);
     }
 
+    // @implemented
     update(deltaT: number): void {
         // If the state machine isn't currently active, ignore all events and don't update
         if(!this.active){

src/DataTypes/Tilesets/TiledData.ts

@@ -1,3 +1,4 @@
+// @ignorePage
 /**
  * a representation of Tiled's tilemap data
  */

src/DataTypes/Tilesets/Tileset.ts

@@ -7,12 +7,19 @@ import { TiledTilesetData } from "./TiledData";
  * with a startIndex if required (as it is with Tiled using two images in one tilset).
  */
 export default class Tileset {
+    /** The key of the image used by this tileset */
     protected imageKey: string;
+    /** The size of the tileset image */
     protected imageSize: Vec2;
+    /** The index of 0th image of this tileset */
     protected startIndex: number;
+    /** The index of the last image of this tilset */
     protected endIndex: number;
+    /** The size of the tiles in this tileset */
     protected tileSize: Vec2;
+    /** The number of rows in this tileset */
     protected numRows: number;
+    /** The number of columns in this tileset */
     protected numCols: number;
 
     // TODO: Change this to be more general and work with other tileset formats
@@ -35,6 +42,10 @@ export default class Tileset {
         this.imageSize = new Vec2(tiledData.imagewidth, tiledData.imageheight);
     }
 
+    /** 
+     * Gets the image key associated with this tilemap
+     * @returns The image key of this tilemap
+     */
     getImageKey(): string {
         return this.imageKey;
     }
@@ -42,6 +53,7 @@ export default class Tileset {
     /**
      * Returns a Vec2 containing the left and top offset from the image origin for this tile.
      * @param tileIndex The index of the tile from startIndex to endIndex of this tileset
+     * @returns A Vec2 containing the offset for the specified tile.
      */
     getImageOffsetForTile(tileIndex: number): Vec2 {
         // Get the true index
@@ -58,18 +70,34 @@ export default class Tileset {
         return new Vec2(left, top);
     }
 
+    /**
+     * Gets the start index
+     * @returns The start index
+     */
     getStartIndex(): number {
         return this.startIndex;
     }
 
+    /**
+     * Gets the tile set
+     * @returns A Vec2 containing the tile size
+     */
     getTileSize(): Vec2 {
         return this.tileSize;
     }
 
+    /**
+     * Gets the number of rows in the tileset
+     * @returns The number of rows
+     */
     getNumRows(): number {
         return this.numRows;
     }
 
+    /**
+     * Gets the number of columns in the tilset
+     * @returns The number of columns
+     */
     getNumCols(): number {
         return this.numCols;
     }
@@ -78,6 +106,11 @@ export default class Tileset {
         return this.endIndex - this.startIndex + 1;
     }
 
+    /**
+     * Checks whether or not this tilset contains the specified tile index. This is used for rendering.
+     * @param tileIndex The index of the tile to check
+     * @returns A boolean representing whether or not this tilset uses the specified index
+     */
     hasTile(tileIndex: number): boolean {
         return tileIndex >= this.startIndex && tileIndex <= this.endIndex;
     }

src/DataTypes/Vec2.ts

@@ -6,7 +6,7 @@ import MathUtils from "../Utils/MathUtils";
 export default class Vec2 {
 
 	// Store x and y in an array
-	/** The array that stores the actual vector values */
+	/** The array that stores the actual vector values x and y */
 	private vec: Float32Array;
 
 	/**	
@@ -77,21 +77,25 @@ export default class Vec2 {
 	}
 
 	/**
-	 * The squared magnitude of the vector
+	 * The squared magnitude of the vector. This tends to be faster, so use it in situations where taking the
+	 * square root doesn't matter, like for comparing distances.
+	 * @returns The squared magnitude of the vector
 	 */
 	magSq(): number {
 		return this.x*this.x + this.y*this.y;
 	}
 
 	/**
-	 * The magnitude of the vector
+	 * The magnitude of the vector.
+	 * @returns The magnitude of the vector.
 	 */
 	mag(): number {
 		return Math.sqrt(this.magSq());
 	}
 
 	/**
-	 * Returns this vector as a unit vector - Equivalent to dividing x and y by the magnitude
+	 * Divdes x and y by the magnitude to obtain the unit vector in the direction of this vector.
+	 * @returns This vector as a unit vector.
 	 */
 	normalize(): Vec2 {
 		if(this.x === 0 && this.y === 0) return this;
@@ -102,7 +106,8 @@ export default class Vec2 {
 	}
 
 	/**
-	 * Returns a new vector that is the normalized version of this one
+	 * Works like normalize(), but returns a new Vec2
+	 * @returns A new vector that is the unit vector for this one
 	 */
 	normalized(): Vec2 {
 		let mag = this.mag();
@@ -110,7 +115,8 @@ export default class Vec2 {
 	}
 
 	/**
-	 * Sets the x and y elements of this vector to zero
+	 * Sets the x and y elements of this vector to zero.
+	 * @returns This vector, with x and y set to zero.
 	 */
 	zero(): Vec2 {
 		return this.set(0, 0);
@@ -120,6 +126,7 @@ export default class Vec2 {
 	 * Sets the vector's x and y based on the angle provided. Goes counter clockwise.
 	 * @param angle The angle in radians
 	 * @param radius The magnitude of the vector at the specified angle
+	 * @returns This vector.
 	 */
 	setToAngle(angle: number, radius: number = 1): Vec2 {
 		this.x = MathUtils.floorToPlace(Math.cos(angle)*radius, 5);
@@ -129,7 +136,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns a vector that point from this vector to another one
-	 * @param other 
+	 * @param other The vector to point to
+	 * @returns A new Vec2 that points from this vector to the one provided
 	 */
 	vecTo(other: Vec2): Vec2 {
 		return new Vec2(other.x - this.x, other.y - this.y);
@@ -137,7 +145,8 @@ export default class Vec2 {
 	
 	/**
 	 * Returns a vector containing the direction from this vector to another
-	 * @param other 
+	 * @param other The vector to point to
+	 * @returns A new Vec2 that points from this vector to the one provided. This new Vec2 will be a unit vector.
 	 */
 	dirTo(other: Vec2): Vec2 {
 		return this.vecTo(other).normalize();
@@ -145,7 +154,8 @@ export default class Vec2 {
 
 	/**
 	 * Keeps the vector's direction, but sets its magnitude to be the provided magnitude
-	 * @param magnitude 
+	 * @param magnitude The magnitude the vector should be
+	 * @returns This vector with its magnitude set to the new magnitude
 	 */
 	scaleTo(magnitude: number): Vec2 {
 		return this.normalize().scale(magnitude);
@@ -153,8 +163,9 @@ export default class Vec2 {
 
 	/**
 	 * Scales x and y by the number provided, or if two number are provided, scales them individually.
-	 * @param factor 
-	 * @param yFactor 
+	 * @param factor The scaling factor for the vector, or for only the x-component if yFactor is provided
+	 * @param yFactor The scaling factor for the y-component of the vector
+	 * @returns This vector after scaling
 	 */
 	scale(factor: number, yFactor: number = null): Vec2 {
 		if(yFactor !== null){
@@ -169,8 +180,9 @@ export default class Vec2 {
 
 	/**
 	 * Returns a scaled version of this vector without modifying it.
-	 * @param factor 
-	 * @param yFactor 
+	 * @param factor The scaling factor for the vector, or for only the x-component if yFactor is provided
+	 * @param yFactor The scaling factor for the y-component of the vector
+	 * @returns A new vector that has the values of this vector after scaling
 	 */
 	scaled(factor: number, yFactor: number = null): Vec2 {
 		return this.clone().scale(factor, yFactor);
@@ -179,6 +191,7 @@ export default class Vec2 {
 	/**
 	 * Rotates the vector counter-clockwise by the angle amount specified
 	 * @param angle The angle to rotate by in radians
+	 * @returns This vector after rotation.
 	 */
 	rotateCCW(angle: number): Vec2 {
 		let cs = Math.cos(angle);
@@ -192,8 +205,9 @@ export default class Vec2 {
 
 	/**
 	 * Sets the vectors coordinates to be the ones provided
-	 * @param x 
-	 * @param y 
+	 * @param x The new x value for this vector
+	 * @param y The new y value for this vector
+	 * @returns This vector
 	 */
 	set(x: number, y: number): Vec2 {
 		this.x = x;
@@ -204,6 +218,7 @@ export default class Vec2 {
 	/**
 	 * Copies the values of the other Vec2 into this one.
 	 * @param other The Vec2 to copy
+	 * @returns This vector with its values set to the vector provided
 	 */
 	copy(other: Vec2): Vec2 {
 		return this.set(other.x, other.y);
@@ -211,7 +226,8 @@ export default class Vec2 {
 
 	/**
 	 * Adds this vector the another vector
-	 * @param other 
+	 * @param other The Vec2 to add to this one
+	 * @returns This vector after adding the one provided
 	 */
 	add(other: Vec2): Vec2 {
 		this.x += other.x;
@@ -221,7 +237,8 @@ export default class Vec2 {
 
 	/**
 	 * Subtracts another vector from this vector
-	 * @param other 
+	 * @param other The Vec2 to subtract from this one
+	 * @returns This vector after subtracting the one provided
 	 */
 	sub(other: Vec2): Vec2 {
 		this.x -= other.x;
@@ -230,8 +247,9 @@ export default class Vec2 {
 	}
 
 	/**
-	 * Multiplies this vector with another vector element-wise
-	 * @param other 
+	 * Multiplies this vector with another vector element-wise. In other words, this.x *= other.x and this.y *= other.y
+	 * @param other The Vec2 to multiply this one by
+	 * @returns This vector after multiplying its components by this one
 	 */
 	mult(other: Vec2): Vec2 {
 		this.x *= other.x;
@@ -240,8 +258,9 @@ export default class Vec2 {
 	}
 
 	/**
-	 * Divides this vector with another vector element-wise
-	 * @param other 
+	 * Divides this vector with another vector element-wise. In other words, this.x /= other.x and this.y /= other.y
+	 * @param other The vector to divide this one by
+	 * @returns This vector after division
 	 */
 	div(other: Vec2): Vec2 {
 		if(other.x === 0 || other.y === 0) throw "Divide by zero error";
@@ -252,7 +271,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns the squared distance between this vector and another vector
-	 * @param other 
+	 * @param other The vector to compute distance squared to
+	 * @returns The squared distance between this vector and the one provided
 	 */
 	distanceSqTo(other: Vec2): number {
 		return (this.x - other.x)*(this.x - other.x) + (this.y - other.y)*(this.y - other.y);
@@ -260,7 +280,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns the distance between this vector and another vector
-	 * @param other 
+	 * @param other The vector to compute distance to
+	 * @returns The distance between this vector and the one provided
 	 */
 	distanceTo(other: Vec2): number {
 		return Math.sqrt(this.distanceSqTo(other));
@@ -268,7 +289,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns the dot product of this vector and another
-	 * @param other 
+	 * @param other The vector to compute the dot product with
+	 * @returns The dot product of this vector and the one provided.
 	 */
 	dot(other: Vec2): number {
 		return this.x*other.x + this.y*other.y;
@@ -276,7 +298,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns the angle counter-clockwise in radians from this vector to another vector
-	 * @param other 
+	 * @param other The vector to compute the angle to
+	 * @returns The angle, rotating CCW, from this vector to the other vector
 	 */
 	angleToCCW(other: Vec2): number {
 		let dot = this.dot(other);
@@ -292,6 +315,7 @@ export default class Vec2 {
 
 	/**
 	 * Returns a string representation of this vector rounded to 1 decimal point
+	 * @returns This vector as a string
 	 */
 	toString(): string {
 		return this.toFixed();
@@ -299,7 +323,8 @@ export default class Vec2 {
 
 	/**
 	 * Returns a string representation of this vector rounded to the specified number of decimal points
-	 * @param numDecimalPoints 
+	 * @param numDecimalPoints The number of decimal points to create a string to
+	 * @returns This vector as a string
 	 */
 	toFixed(numDecimalPoints: number = 1): string {
 		return "(" + this.x.toFixed(numDecimalPoints) + ", " + this.y.toFixed(numDecimalPoints) + ")";
@@ -307,6 +332,7 @@ export default class Vec2 {
 
 	/**
 	 * Returns a new vector with the same coordinates as this one.
+	 * @returns A new Vec2 with the same values as this one
 	 */
 	clone(): Vec2 {
 		return new Vec2(this.x, this.y);
@@ -315,6 +341,7 @@ export default class Vec2 {
 	/**
 	 * Returns true if this vector and other have the EXACT same x and y (not assured to be safe for floats)
 	 * @param other The vector to check against
+	 * @returns A boolean representing the equality of the two vectors
 	 */
 	strictEquals(other: Vec2): boolean {
 		return this.x === other.x && this.y === other.y;
@@ -323,6 +350,7 @@ export default class Vec2 {
 	/**
 	 * Returns true if this vector and other have the same x and y
 	 * @param other The vector to check against
+	 * @returns A boolean representing the equality of the two vectors
 	 */
 	equals(other: Vec2): boolean {
 		let xEq = Math.abs(this.x - other.x) < 0.0000001;
@@ -333,6 +361,7 @@ export default class Vec2 {
 
 	/**
 	 * Returns true if this vector is the zero vector exactly (not assured to be safe for floats).
+	 * @returns A boolean representing the equality of this vector and the zero vector
 	 */
 	strictIsZero(): boolean {
 		return this.x === 0 && this.y === 0;
@@ -340,6 +369,7 @@ export default class Vec2 {
 
 	/**
 	 * Returns true if this x and y for this vector are both zero.
+	 * @returns A boolean representing the equality of this vector and the zero vector
 	 */
 	isZero(): boolean {
 		return Math.abs(this.x) < 0.0000001 && Math.abs(this.y) < 0.0000001;
@@ -352,19 +382,13 @@ export default class Vec2 {
 	setOnChange(f: Function): void {
 		this.onChange = f;
 	}
-	
-	/**
-	 * Gets the function that is called whenever this vector is changed
-	 */
-	getOnChange(): string {
-		return this.onChange.toString();
-	}
 
 	/**
 	 * Performs linear interpolation between two vectors
 	 * @param a The first vector
 	 * @param b The second vector
 	 * @param t The time of the lerp, with 0 being vector A, and 1 being vector B
+	 * @returns A new Vec2 representing the lerp between vector a and b.
 	 */
 	static lerp(a: Vec2, b: Vec2, t: number): Vec2 {
 		return new Vec2(MathUtils.lerp(a.x, b.x, t), MathUtils.lerp(a.y, b.y, t));

src/DataTypes/Vec4.ts

@@ -1,6 +1,7 @@
 import Vec2 from "./Vec2";
 
-export default class Vec4{
+// @ignorePage
+export default class Vec4 {
 
 	public vec: Float32Array;
 

src/Debug/Debug.ts

@@ -1,11 +1,11 @@
 import Map from "../DataTypes/Map";
 import Vec2 from "../DataTypes/Vec2";
-import InputHandler from "../Input/InputHandler";
 import GameNode from "../Nodes/GameNode";
 import Color from "../Utils/Color";
 
-type DebugRenderFunction = (ctx: CanvasRenderingContext2D) => void;
-
+/**
+ * A util class for rendering Debug messages to the canvas.
+ */
 export default class Debug {
 
 	/** A map of log messages to display on the screen */ 
@@ -40,7 +40,7 @@ export default class Debug {
 
 	/**
 	 * Deletes a a key from the log and stops it from keeping up space on the screen
-	 * @param id 
+	 * @param id The id of the log item to clear
 	 */
 	static clearLogItem(id: string): void {
 		this.logMessages.delete(id);
@@ -59,6 +59,7 @@ export default class Debug {
 	 * @param center The center of the box
 	 * @param halfSize The dimensions of the box
 	 * @param filled A boolean for whether or not the box is filled
+	 * @param color The color of the box to draw
 	 */
 	static drawBox(center: Vec2, halfSize: Vec2, filled: boolean, color: Color): void {
 		if(filled){
@@ -72,6 +73,12 @@ export default class Debug {
 		}
 	}
 
+	/**
+	 * Draws a ray at the specified position
+	 * @param from The starting position of the ray
+	 * @param to The ending position of the ray
+	 * @param color The color of the ray
+	 */
 	static drawRay(from: Vec2, to: Vec2, color: Color): void {
 		this.debugRenderingContext.lineWidth = 2;
 		this.debugRenderingContext.strokeStyle = color.toString();
@@ -83,16 +90,32 @@ export default class Debug {
 		this.debugRenderingContext.stroke();
 	}
 
+	/**
+	 * Draws a point at the specified position
+	 * @param pos The position of the point
+	 * @param color The color of the point
+	 */
 	static drawPoint(pos: Vec2, color: Color): void {
 		let pointSize = 6;
 		this.debugRenderingContext.fillStyle = color.toString();
 		this.debugRenderingContext.fillRect(pos.x - pointSize/2, pos.y - pointSize/2, pointSize, pointSize);
 	}
 
+	/**
+	 * Sets the default rendering color for text for the debugger
+	 * @param color The color to render the text
+	 */
 	static setDefaultTextColor(color: Color): void {
 		this.defaultTextColor = color;
 	}
 
+	/**
+	 * Performs any necessary setup operations on the Debug canvas
+	 * @param canvas The debug canvas
+	 * @param width The desired width of the canvas
+	 * @param height The desired height of the canvas
+	 * @returns The rendering context extracted from the canvas
+	 */
 	static initializeDebugCanvas(canvas: HTMLCanvasElement, width: number, height: number): CanvasRenderingContext2D {
         canvas.width = width;
 		canvas.height = height;
@@ -104,15 +127,18 @@ export default class Debug {
         return this.debugRenderingContext;
 	}
 
+	/** Clears the debug canvas */
 	static clearCanvas(): void {
 		this.debugRenderingContext.clearRect(0, 0, this.debugCanvasSize.x, this.debugCanvasSize.y);
 	}
 
+	/** Renders the text and nodes sent to the Debug system */
 	static render(): void {
 		this.renderText();
 		this.renderNodes();
 	}
 
+	/** Renders the text sent to the Debug canvas */
 	static renderText(): void {
 		let y = 20;
 		this.debugRenderingContext.font = "20px Arial";
@@ -125,6 +151,7 @@ export default class Debug {
 		});
 	}
 
+	/** Renders the nodes registered with the debug canvas */
 	static renderNodes(): void {
 		if(this.nodes){
 			this.nodes.forEach(node => {

src/Debug/Stats.ts

@@ -1,7 +1,8 @@
 import Color from "../Utils/Color";
 
+// @ignorePage
 export default class Stats extends Object {
-    /** The fps of the game. */
+    // The fps of the game.
     private static prevfps: Array<number>;
     private static readonly NUM_POINTS: number = 60;
     private static ctx: CanvasRenderingContext2D;

src/Events/Emitter.ts

@@ -2,17 +2,23 @@ import Map from "../DataTypes/Map";
 import EventQueue from "./EventQueue";
 import GameEvent from "./GameEvent";
 
+/**
+ * An event emitter object other systems can use to hook into the EventQueue.
+ * Provides an easy interface for firing off events.
+ */
 export default class Emitter {
+	/** A reference to the EventQueue */
 	private eventQueue: EventQueue;
 
+	/** Creates a new Emitter */
 	constructor(){
 		this.eventQueue = EventQueue.getInstance();
 	}
 
 	/**
 	 * Emit and event of type eventType with the data packet data
-	 * @param eventType 
-	 * @param data 
+	 * @param eventType The name of the event to fire off
+	 * @param data A @reference[Map] or record containing any data about the event
 	 */
 	fireEvent(eventType: string, data: Map<any> | Record<string, any> = null): void {
 		this.eventQueue.addEvent(new GameEvent(eventType, data));

src/Events/EventQueue.ts

@@ -4,18 +4,43 @@ import GameEvent from "./GameEvent";
 import Receiver from "./Receiver";
 import { GameEventType } from "./GameEventType";
 
+/**
+ * The main event system of the game engine.
+ * Events are sent to the EventQueue, which handles distribution to any systems that are listening for those events.
+ * This allows for handling of input without having classes directly hook into javascript event handles, 
+ * and allows otherwise separate classes to communicate with each other cleanly, such as a Player object 
+ * requesting a sound be played by the audio system.
+ * 
+ * The distribution of @reference[GameEvent]s happens as follows:
+ * 
+ * Events are recieved throughout a frame and are queued up by the EventQueue.
+ * At the beginning of the next frame, events are sent out to any receivers that are hooked into the event type.
+ * @reference[Receiver]s are then free to process events as they see fit.
+ * 
+ * Overall, the EventQueue can be considered as something similar to an email server,
+ * and the @reference[Receiver]s can be considered as the client inboxes.
+ * 
+ * See @link(Game Programming Patterns)(https://gameprogrammingpatterns.com/event-queue.html) for more discussion on EventQueues
+ */
 export default class EventQueue {
-	private static instance: EventQueue = null;
-	private readonly MAX_SIZE: number;
-	private q: Queue<GameEvent>;
-	private receivers: Map<Array<Receiver>>
+    private static instance: EventQueue = null;
+    
+    /** The maximum number of events visible */
+    private readonly MAX_SIZE: number;
+    
+    /** The actual queue of events */
+    private q: Queue<GameEvent>;
+    
+    /** The map of receivers registered for an event name */
+	private receivers: Map<Array<Receiver>>;
 
     private constructor(){
         this.MAX_SIZE = 100;
         this.q = new Queue<GameEvent>(this.MAX_SIZE);
         this.receivers = new Map<Array<Receiver>>();
 	}
-	
+    
+    /** Retrieves the instance of the Singleton EventQueue */
 	static getInstance(): EventQueue {
 		if(this.instance === null){
 			this.instance = new EventQueue();
@@ -24,14 +49,18 @@ export default class EventQueue {
 		return this.instance;
 	}
 
+    /** Adds an event to the EventQueue.
+     * This is exposed to the rest of the game engine through the @reference[Emitter] class */
     addEvent(event: GameEvent): void {
         this.q.enqueue(event);
     }
 
     /**
-     * Associates a receiver with a type of event. Every time this event appears in the future, it will be given to the receiver (and any others watching that type)
-     * @param receiver 
-     * @param type 
+     * Associates a receiver with a type of event. Every time this event appears in the future,
+     * it will be given to the receiver (and any others watching that type).
+     * This is exposed to the rest of the game engine through the @reference[Receiver] class
+     * @param receiver The event receiver
+     * @param type The type or types of events to subscribe to
      */
     subscribe(receiver: Receiver, type: string | Array<string>): void {
         if(type instanceof Array){
@@ -52,8 +81,8 @@ export default class EventQueue {
 			this.receivers.add(type, [receiver]);
 		}
 	}
-	
-    update(deltaT: number): void{
+    
+    update(deltaT: number): void {
         while(this.q.hasItems()){
             // Retrieve each event
 			let event = this.q.dequeue();

src/Events/GameEvent.ts

@@ -1,13 +1,22 @@
 import Map from "../DataTypes/Map"
 
 /**
- * A representation of an in-game event
+ * A representation of an in-game event that is passed through the @reference[EventQueue]
  */
 export default class GameEvent {
-	public type: string;
-	public data: Map<any>;
+    /** The type of the event */
+    public type: string;
+    /** The data contained by the event */
+    public data: Map<any>;
+    /** The time of the event in ms */
 	public time: number;
 
+    /**
+     * Creates a new GameEvent.
+     * This is handled implicitly through the @reference[Emitter] class
+     * @param type The type of the GameEvent
+     * @param data The data contained by the GameEvent
+     */
     constructor(type: string, data: Map<any> | Record<string, any> = null) {
         // Parse the game event data
         if (data === null) {
@@ -26,10 +35,19 @@ export default class GameEvent {
         this.time = Date.now();
     }
 
+    /**
+     * Checks the type of the GameEvent
+     * @param type The type to check
+     * @returns True if the GameEvent is the specified type, false otherwise.
+     */
     isType(type: string): boolean {
         return this.type === type;
     }
 
+    /**
+     * Returns this GameEvent as a string
+     * @returns The string representation of the GameEvent
+     */
     toString(): string {
         return this.type + ": @" + this.time;
     }

src/Events/GameEventType.ts

@@ -1,3 +1,5 @@
+// @ignorePage
+
 export enum GameEventType {
 	/**
 	 * Mouse Down event. Has data: {position: Vec2 - Mouse Position}

src/Events/Receiver.ts

@@ -3,12 +3,16 @@ import EventQueue from "./EventQueue";
 import GameEvent from "./GameEvent";
 
 /**
- * Receives subscribed events from the EventQueue
+ * Receives subscribed events from the EventQueue.
  */
-export default class Receiver{
+export default class Receiver {
+	/** The maximum number of events this Receiver can hold at one time */
 	readonly MAX_SIZE: number;
+
+	/** The inbox of the Receiver */
 	private q: Queue<GameEvent>;
 
+	/** Creates a new Receiver */
 	constructor(){
 		this.MAX_SIZE = 100;
         this.q = new Queue(this.MAX_SIZE);
@@ -23,7 +27,8 @@ export default class Receiver{
 	}
 
 	/**
-	 * Adds an event to the queue of this reciever
+	 * Adds an event to the queue of this reciever. This is used by the @reference[EventQueue] to distribute events
+	 * @param event The event to receive
 	 */
 	receive(event: GameEvent): void {
 		this.q.enqueue(event);
@@ -31,13 +36,15 @@ export default class Receiver{
 
 	/**
 	 * Retrieves the next event from the receiver's queue
+	 * @returns The next GameEvent
 	 */
 	getNextEvent(): GameEvent {
 		return this.q.dequeue();
 	}
 
 	/**
-	 * Looks at the next event in the receiver's queue
+	 * Looks at the next event in the receiver's queue, but doesn't remove it from the queue
+	 * @returns The next GameEvent
 	 */
 	peekNextEvent(): GameEvent {
 		return this.q.peekNext()
@@ -45,6 +52,7 @@ export default class Receiver{
 
 	/**
 	 * Returns true if the receiver has any events in its queue
+	 * @returns True if the receiver has another event, false otherwise
 	 */
 	hasNextEvent(): boolean {
 		return this.q.hasItems();

src/Input/InputHandler.ts

@@ -4,11 +4,15 @@ import GameEvent from "../Events/GameEvent";
 import { GameEventType } from "../Events/GameEventType";
 
 /**
- * Handles communication with the web browser to receive asynchronous events and send them to the event queue
+ * Handles communication with the web browser to receive asynchronous events and send them to the @reference[EventQueue]
  */
-export default class InputHandler{
+export default class InputHandler {
 	private eventQueue: EventQueue;
-	 
+     
+    /**
+     * Creates a new InputHandler
+     * @param canvas The game canvas
+     */
     constructor(canvas: HTMLCanvasElement){
 		this.eventQueue = EventQueue.getInstance();
 		

src/Input/InputReceiver.ts

@@ -7,7 +7,7 @@ import GameEvent from "../Events/GameEvent";
 import { GameEventType } from "../Events/GameEventType";
 
 /**
- * Receives input events from the event queue and allows for easy access of information about input
+ * Receives input events from the @reference[EventQueue] and allows for easy access of information about input by other systems
  */
 export default class InputReceiver{
 	private static instance: InputReceiver = null;
@@ -45,6 +45,10 @@ export default class InputReceiver{
 			 GameEventType.KEY_DOWN, GameEventType.KEY_UP, GameEventType.CANVAS_BLUR, GameEventType.WHEEL_UP, GameEventType.WHEEL_DOWN]);
 	}
 
+	/**
+	 * Gets the statc instance of the Singleton InputReceiver
+	 * @returns The InputReceiver instance
+	 */
 	static getInstance(): InputReceiver{
 		if(this.instance === null){
 			this.instance = new InputReceiver();
@@ -117,6 +121,12 @@ export default class InputReceiver{
 		this.keyPressed.forEach((key: string) => this.keyPressed.set(key, false));
 	}
 
+	/**
+	 * Returns whether or not a key was newly pressed this frame.
+	 * If the key is still pressed from last frame and wasn't re-pressed, this will return false.
+	 * @param key The key
+	 * @returns True if the key was just pressed, false otherwise
+	 */
 	isJustPressed(key: string): boolean {
 		if(this.keyJustPressed.has(key)){
 			return this.keyJustPressed.get(key)
@@ -125,6 +135,11 @@ export default class InputReceiver{
 		}
 	}
 
+	/**
+	 * Returns an array of all of the keys that are newly pressed this frame.
+	 * If a key is still pressed from last frame and wasn't re-pressed, it will not be in this list.
+	 * @returns An array of all of the newly pressed keys.
+	 */
 	getKeysJustPressed(): Array<string> {
 		let keys = Array<string>();
 		this.keyJustPressed.forEach(key => {
@@ -135,6 +150,11 @@ export default class InputReceiver{
 		return keys;
 	}
 
+	/**
+	 * Returns whether or not a key is being pressed.
+	 * @param key The key
+	 * @returns True if the key is currently pressed, false otherwise
+	 */
 	isPressed(key: string): boolean {
 		if(this.keyPressed.has(key)){
 			return this.keyPressed.get(key)
@@ -143,38 +163,76 @@ export default class InputReceiver{
 		}
 	}
 
+	/**
+	 * Returns whether or not the mouse was newly pressed this frame
+	 * @returns True if the mouse was just pressed, false otherwise
+	 */
 	isMouseJustPressed(): boolean {
 		return this.mouseJustPressed;
 	}
 
+	/**
+	 * Returns whether or not the mouse is currently pressed
+	 * @returns True if the mouse is currently pressed, false otherwise
+	 */
 	isMousePressed(): boolean {
 		return this.mousePressed;
 	}
 
+	/**
+	 * Returns whether the user scrolled or not
+	 * @returns True if the user just scrolled this frame, false otherwise
+	 */
 	didJustScroll(): boolean {
 		return this.justScrolled;
 	}
 
+	/**
+	 * Gets the direction of the scroll
+	 * @returns -1 if the user scrolled up, 1 if they scrolled down
+	 */
 	getScrollDirection(): number {
 		return this.scrollDirection;
 	}
 
+	/**
+	 * Gets the position of the player's mouse
+	 * @returns The mouse position stored as a Vec2
+	 */
 	getMousePosition(): Vec2 {
 		return this.mousePosition;
 	}
 
+	/**
+	 * Gets the position of the player's mouse in the game world,
+	 * taking into consideration the scrolling of the viewport
+	 * @returns The mouse position stored as a Vec2
+	 */
 	getGlobalMousePosition(): Vec2 {
 		return this.mousePosition.clone().add(this.viewport.getOrigin());
 	}
 
+	/**
+	 * Gets the position of the last mouse press
+	 * @returns The mouse position stored as a Vec2
+	 */
 	getMousePressPosition(): Vec2 {
 		return this.mousePressPosition;
 	}
 
+	/**
+	 * Gets the position of the last mouse press in the game world,
+	 * taking into consideration the scrolling of the viewport
+	 * @returns The mouse position stored as a Vec2
+	 */
 	getGlobalMousePressPosition(): Vec2 {
 		return this.mousePressPosition.clone().add(this.viewport.getOrigin());
 	}
 
+	/**
+	 * Gives the input receiver a reference to the viewport
+	 * @param viewport The viewport
+	 */
 	setViewport(viewport: Viewport): void {
 		this.viewport = viewport;
 	}

src/Loop/GameLoop.ts

@@ -8,11 +8,16 @@ import Viewport from "../SceneGraph/Viewport";
 import SceneManager from "../Scene/SceneManager";
 import AudioManager from "../Sound/AudioManager";
 import Stats from "../Debug/Stats";
-import ArrayUtils from "../Utils/ArrayUtils";
 import RenderingManager from "../Rendering/RenderingManager";
 import CanvasRenderer from "../Rendering/CanvasRenderer";
 import Color from "../Utils/Color";
+import GameOptions from "./GameOptions";
 
+/**
+ * The main loop of the game engine.
+ * Handles the update order, and initializes all subsystems.
+ * The GameLoop manages the update cycle, and requests animation frames to render to the browser.
+ */
 export default class GameLoop {
     gameOptions: GameOptions;
 
@@ -77,6 +82,10 @@ export default class GameLoop {
     private audioManager: AudioManager;
     private renderingManager: RenderingManager;
 
+    /**
+     * Creates a new GameLoop
+     * @param options The options for GameLoop initialization
+     */
     constructor(options?: Record<string, any>){
         // Typecast the config object to a GameConfig object
         this.gameOptions = GameOptions.parse(options);
@@ -148,24 +157,32 @@ export default class GameLoop {
 
     /**
      * Changes the maximum allowed physics framerate of the game
-     * @param initMax 
+     * @param initMax The max framerate
      */
     setMaxUpdateFPS(initMax: number): void {
         this.maxUpdateFPS = initMax;
         this.simulationTimestep = Math.floor(1000/this.maxUpdateFPS);
     }
 
+    /**
+     * Sets the maximum rendering framerate
+     * @param maxFPS The max framerate
+     */
     setMaxFPS(maxFPS: number): void {
         this.minFrameDelay = 1000/maxFPS;
     }
 
+    /**
+     * Retreives the SceneManager from the GameLoop
+     * @returns The SceneManager
+     */
     getSceneManager(): SceneManager {
         return this.sceneManager;
     }
 
     /**
      * Updates the frame count and sum of time for the framerate of the game
-     * @param timestep 
+     * @param timestep The current time in ms
      */
     private updateFPS(timestamp: number): void {
         this.fps = 0.9 * this.framesSinceLastFpsUpdate * 1000 / (timestamp - this.lastFpsUpdate) +(1 - 0.9) * this.fps;
@@ -189,9 +206,9 @@ export default class GameLoop {
 
     /**
      * The first game frame - initializes the first frame time and begins the render
-     * @param timestamp 
+     * @param timestamp The current time in ms
      */
-    startFrame = (timestamp: number): void => {
+    startFrame(timestamp: number): void {
         this.running = true;
 
         this.render();
@@ -207,7 +224,7 @@ export default class GameLoop {
      * The main loop of the game. Updates and renders every frame
      * @param timestamp 
      */
-    doFrame = (timestamp: number): void => {
+    doFrame(timestamp: number): void {
         // Request animation frame to prepare for another update or render
         window.requestAnimationFrame(this.doFrame);
 
@@ -250,6 +267,9 @@ export default class GameLoop {
         this.panic = false;
     }
 
+    /**
+     * Ends the game loop
+     */
     end(){
         if(this.panic) {
             var discardedTime = Math.round(this.resetFrameDelta());
@@ -265,7 +285,7 @@ export default class GameLoop {
 
     /**
      * Updates all necessary subsystems of the game. Defers scene updates to the sceneManager
-     * @param deltaT 
+     * @param deltaT The time sine the last update
      */
     update(deltaT: number): void {
         // Handle all events that happened since the start of the last loop
@@ -288,7 +308,7 @@ export default class GameLoop {
     }
 
     /**
-     * Clears the canvas and defers scene rendering to the sceneManager. Renders the debug
+     * Clears the canvas and defers scene rendering to the sceneManager. Renders the debug canvas
      */
     render(): void {
         // Clear the canvases
@@ -304,18 +324,4 @@ export default class GameLoop {
         Debug.render();
         Stats.render();
     }
-}
-
-class GameOptions {
-    viewportSize: {x: number, y: number};
-    clearColor: {r: number, g: number, b: number}
-
-    static parse(options: Record<string, any>): GameOptions {
-        let gOpt = new GameOptions();
-
-        gOpt.viewportSize = options.viewportSize ? options.viewportSize : {x: 800, y: 600};
-        gOpt.clearColor  = options.clearColor ? options.clearColor : {r: 255, g: 255, b: 255};
-
-        return gOpt;
-    }
 }

src/Loop/GameOptions.ts

@@ -0,0 +1,24 @@
+// @ignorePage
+
+/** The options for initializing the @reference[GameLoop] */
+export default class GameOptions {
+    /** The size of the viewport */
+    viewportSize: {x: number, y: number};
+
+    /** The color to clear the canvas to each frame */
+    clearColor: {r: number, g: number, b: number}
+
+    /**
+     * Parses the data in the raw options object
+     * @param options The game options as a Record
+     * @returns A version of the options converted to a GameOptions object
+     */
+    static parse(options: Record<string, any>): GameOptions {
+        let gOpt = new GameOptions();
+
+        gOpt.viewportSize = options.viewportSize ? options.viewportSize : {x: 800, y: 600};
+        gOpt.clearColor  = options.clearColor ? options.clearColor : {r: 255, g: 255, b: 255};
+
+        return gOpt;
+    }
+}

src/Nodes/Tilemap.ts

@@ -73,7 +73,7 @@ export default abstract class Tilemap extends CanvasNode {
     /**
      * Adds this tilemap to the physics system
     */
-    addPhysics = (): void => {
+    addPhysics(): void {
         this.scene.getPhysicsManager().registerTilemap(this);
     }
 
@@ -99,9 +99,9 @@ export default abstract class Tilemap extends CanvasNode {
     abstract getTile(index: number): number;
 
     /**
-     * Sets the value of the tile at the specified index
-     * @param index
-     * @param type
+     * Sets the tile at the specified index
+     * @param index The index of the tile
+     * @param type The new data value of the tile
      */
     abstract setTile(index: number, type: number): void;
 

src/Nodes/Tilemaps/OrthogonalTilemap.ts

@@ -101,11 +101,7 @@ export default class OrthogonalTilemap extends Tilemap {
         return this.data[index];
     }
 
-    /**
-     * Sets the tile at the specified index
-     * @param index The index of the tile
-     * @param type The new data value of the tile
-     */
+    // @override
     setTile(index: number, type: number): void {
         this.data[index] = type;
     }

src/Nodes/UIElements/Label.ts

@@ -46,7 +46,7 @@ export default class Label extends UIElement{
 	 * Gets a string containg the font details for rendering
 	 * @returns A string containing the font details
 	 */
-	protected getFontString(): string {
+	getFontString(): string {
 		return this.fontSize + "px " + this.font;
 	}
 

src/Nodes/UIElements/Slider.ts

@@ -12,7 +12,7 @@ export default class Slider extends UIElement {
     /** The color of the slider track */
     public sliderColor: Color;
     /** The reaction of this UIElement to a value change */
-    public onValueChange: (value: number) => void;
+    public onValueChange: Function;
     /** The event propagated by this UIElement when value changes */
     public onValueChangeEventId: string;
 

src/Pathfinding/NavigationManager.ts

@@ -3,18 +3,35 @@ import Map from "../DataTypes/Map";
 import Vec2 from "../DataTypes/Vec2";
 import NavigationPath from "./NavigationPath";
 
+/**
+ * The manager class for navigation.
+ * Handles all navigable entities, such and allows them to be accessed by outside systems by requesting a path
+ * from one position to another.
+ */
 export default class NavigationManager {
-
+	/** The list of all navigable entities */
 	protected navigableEntities: Map<Navigable>;
 
 	constructor(){
 		this.navigableEntities = new Map();
 	}
 
-	addNavigableEntity(navName: string, nav: Navigable){
+	/**
+	 * Adds a navigable entity to the NavigationManager
+	 * @param navName The name of the navigable entitry
+	 * @param nav The actual Navigable instance
+	 */
+	addNavigableEntity(navName: string, nav: Navigable): void {
 		this.navigableEntities.add(navName, nav);
 	}
 
+	/**
+	 * Gets a path frome one point to another using a specified Navigable object
+	 * @param navName The name of the registered Navigable object
+	 * @param fromPosition The starting position of navigation
+	 * @param toPosition The ending position of Navigation
+	 * @returns A NavigationPath containing the route to take over the Navigable entity to get between the provided positions.
+	 */
 	getPath(navName: string, fromPosition: Vec2, toPosition: Vec2): NavigationPath {
 		let nav = this.navigableEntities.get(navName);
 		return nav.getNavigationPath(fromPosition.clone(), toPosition.clone());

src/Pathfinding/NavigationPath.ts

@@ -6,10 +6,17 @@ import GameNode from "../Nodes/GameNode";
  * A path that AIs can follow. Uses finishMove() in Physical to determine progress on the route
  */
 export default class NavigationPath {
-	protected path: Stack<Vec2>
+	/** The navigation path, stored as a stack of next positions */
+	protected path: Stack<Vec2>;
+	/** The current direction of movement */
 	protected currentMoveDirection: Vec2;
+	/** The distance a node must be to a point to consider it as having arrived */
 	protected distanceThreshold: number;
 
+	/**
+	 * Constructs a new NavigationPath
+	 * @param path The path of nodes to take
+	 */
 	constructor(path: Stack<Vec2>){
 		this.path = path;
 		console.log(path.toString())
@@ -17,15 +24,28 @@ export default class NavigationPath {
 		this.distanceThreshold = 20;
 	}
 
+	/**
+	 * Returns the status of navigation along this NavigationPath
+	 * @returns True if the node has reached the end of the path, false otherwise
+	 */
 	isDone(): boolean {
 		return this.path.isEmpty();
 	}
 
+	/**
+	 * Gets the movement direction in the current position along the path
+	 * @param node The node to move along the path
+	 * @returns The movement direction as a Vec2
+	 */
 	getMoveDirection(node: GameNode): Vec2 {
 		// Return direction to next point in the nav
 		return node.position.dirTo(this.path.peek());
 	}
 
+	/**
+	 * Updates this NavigationPath to the current state of the GameNode
+	 * @param node The node moving along the path
+	 */
 	handlePathProgress(node: GameNode): void {
 		if(node.position.distanceSqTo(this.path.peek()) < this.distanceThreshold*this.distanceThreshold){
 			// We've reached our node, move on to the next destination

src/Pathfinding/Navmesh.ts

@@ -5,13 +5,22 @@ import Vec2 from "../DataTypes/Vec2";
 import GraphUtils from "../Utils/GraphUtils";
 import NavigationPath from "./NavigationPath";
 
+/**
+ * An implementation of a Navmesh. Navmeshes are graphs in the game world along which nodes can move.
+ */
 export default class Navmesh implements Navigable {
+	/** The graph of points in the NavMesh */
 	protected graph: PositionGraph;
 
+	/**
+	 * Creates a new Navmesh from the points in the speecified graph
+	 * @param graph The graph to construct a navmesh from
+	 */
 	constructor(graph: PositionGraph){
 		this.graph = graph;
 	}
 
+	// @implemented
 	getNavigationPath(fromPosition: Vec2, toPosition: Vec2): NavigationPath {
 		let start = this.getClosestNode(fromPosition);
 		let end = this.getClosestNode(toPosition);
@@ -34,7 +43,12 @@ export default class Navmesh implements Navigable {
 		return new NavigationPath(pathStack);
 	}
 
-	getClosestNode(position: Vec2): number {
+	/**
+	 * Gets the closest node in this Navmesh to the specified position
+	 * @param position The position to query
+	 * @returns The index of the closest node in the Navmesh to the position
+	 */
+	protected getClosestNode(position: Vec2): number {
 		let n = this.graph.numVertices;
 		let i = 1;
 		let index = 0;

src/Physics/BasicPhysicsManager.ts

@@ -11,6 +11,8 @@ import OrthogonalTilemap from "../Nodes/Tilemaps/OrthogonalTilemap";
 import AABB from "../DataTypes/Shapes/AABB";
 import Debug from "../Debug/Debug";
 
+// @ignorePage
+
 export default class BasicPhysicsManager extends PhysicsManager {
 
 	/** The array of static nodes */

src/Physics/BroadPhaseAlgorithms/BroadPhase.ts

@@ -1,6 +1,8 @@
 import { Physical } from "../../DataTypes/Interfaces/Descriptors";
 import GameNode from "../../Nodes/GameNode";
 
+// @ignorePage
+
 export default abstract class BroadPhase {
 	/**
 	 * Runs the algorithm and returns an array of possible collision pairs.

src/Physics/BroadPhaseAlgorithms/SweepAndPrune.ts

@@ -3,6 +3,8 @@ import PhysicsUtils from "../../Utils/PhysicsUtils";
 import SortingUtils from "../../Utils/SortingUtils";
 import BroadPhase from "./BroadPhase";
 
+// @ignorePage
+
 export default class SweepAndPrune extends BroadPhase {
 	protected xList: Array<Physical>;
 	protected yList: Array<Physical>;

src/Physics/Collisions.ts

@@ -1,6 +1,8 @@
 import { Physical } from "../DataTypes/Interfaces/Descriptors";
 import Vec2 from "../DataTypes/Vec2";
 
+// @ignorePage
+
 export class Collision {
 	firstContact: Vec2;
 	lastContact: Vec2;

src/Physics/PhysicsManager.ts

@@ -6,14 +6,20 @@ import Receiver from "../Events/Receiver";
 import Emitter from "../Events/Emitter";
 import Map from "../DataTypes/Map";
 
+/**
+ * An abstract physics manager.
+ * This class exposes functions for subclasses to implement that should allow for a working physics system to be created.
+ */
 export default abstract class PhysicsManager implements Updateable {
+	/** The event receiver for the physics system */
 	protected receiver: Receiver;
+	/** The event emitter for the physics system */
 	protected emitter: Emitter;
 
-	/**	Layer names to numbers */
+	/** Maps layer names to numbers */
 	protected layerMap: Map<number>;
 
-	/** Layer numbers to names */
+	/** Maps layer numbers to names */
 	protected layerNames: Array<string>;
 
 	constructor(){
@@ -27,22 +33,23 @@ export default abstract class PhysicsManager implements Updateable {
 
 	/**
 	 * Registers a gamenode with this physics manager
-	 * @param object 
+	 * @param object The object to register
 	 */
 	abstract registerObject(object: GameNode): void;
 
 	/**
 	 * Registers a tilemap with this physics manager
-	 * @param tilemap 
+	 * @param tilemap The tilemap to register
 	 */
 	abstract registerTilemap(tilemap: Tilemap): void;
 
-	/**
-	 * Updates the physics
-	 * @param deltaT 
-	 */
 	abstract update(deltaT: number): void;
 
+	/**
+	 * Sets the physics layer of the GameNode
+	 * @param node The GameNode
+	 * @param layer The layer that the GameNode should be on
+	 */
 	setLayer(node: GameNode, layer: string): void {
 		node.physicsLayer = this.layerMap.get(layer);
 	}

src/Physics/TestPhysicsManager.ts

@@ -1,13 +1,46 @@
 import GameNode from "../Nodes/GameNode";
-import { Physical, Updateable } from "../DataTypes/Interfaces/Descriptors";
+import { Physical } from "../DataTypes/Interfaces/Descriptors";
 import Tilemap from "../Nodes/Tilemap";
 import PhysicsManager from "./PhysicsManager";
 import Vec2 from "../DataTypes/Vec2";
-import Debug from "../Debug/Debug";
-import Color from "../Utils/Color";
 import AABB from "../DataTypes/Shapes/AABB";
 import OrthogonalTilemap from "../Nodes/Tilemaps/OrthogonalTilemap";
+import AreaCollision from "../DataTypes/Physics/AreaCollision";
 
+/**
+ * ALGORITHM:
+ * 	In an effort to keep things simple and working effectively, each dynamic node will resolve its
+ * 	collisions considering the rest of the world as static.
+ * 
+ * 	Collision detecting will happen first. This can be considered a broad phase, but it is not especially
+ * 	efficient, as it does not need to be for this game engine. Every dynamic node is checked against every
+ * 	other node for collision area. If collision area is non-zero (meaning the current node sweeps into another),
+ * 	it is added to a list of hits.
+ * 
+ * 	INITIALIZATION:
+ * 		- Physics constants are reset
+ * 		- Swept shapes are recalculated. If a node isn't moving, it is skipped.
+ * 
+ * 	COLLISION DETECTION:
+ * 		- For a node, collision area will be calculated using the swept AABB of the node against every other AABB in a static state
+ * 		- These collisions will be sorted by area in descending order
+ * 	
+ * 	COLLISION RESOLUTION:
+ * 		- For each hit, time of collision is calculated using a swept line through the AABB of the static node expanded
+ * 			with minkowski sums (discretely, but the concept is there)
+ * 		- The collision is resolved based on the near time of the collision (from method of separated axes)
+ * 			- X is resolved by near x, Y by near y.
+ * 			- There is some fudging to allow for sliding along walls of separate colliders. Sorting by area also helps with this.
+ * 			- Corner to corner collisions are resolve to favor x-movement. This is in consideration of platformers, to give
+ * 				the player some help with jumps
+ * 
+ * 	Pros:
+ * 		- Everything happens with a consistent time. There is a distinct before and after for each resolution.
+ * 		- No back-tracking needs to be done. Once we resolve a node, it is definitively resolved.
+ * 	
+ * 	Cons:
+ * 		- Nodes that are processed early have movement priority over other nodes. This can lead to some undesirable interactions.
+ */
 export default class TestPhysicsManager extends PhysicsManager {
 
 	/** The array of static nodes */
@@ -26,10 +59,7 @@ export default class TestPhysicsManager extends PhysicsManager {
 		this.tilemaps = new Array();
 	}
 
-	/**
-	 * Add a new physics object to be updated with the physics system
-	 * @param node The node to be added to the physics system
-	 */
+	// @override
 	registerObject(node: GameNode): void {
 		if(node.isStatic){
 			// Static and not collidable
@@ -40,56 +70,18 @@ export default class TestPhysicsManager extends PhysicsManager {
 		}
 	}
 
-	/**
-	 * Registers a tilemap with this physics manager
-	 * @param tilemap 
-	 */
+	// @override
 	registerTilemap(tilemap: Tilemap): void {
 		this.tilemaps.push(tilemap);
 	}
 
+	// @override
 	setLayer(node: GameNode, layer: string): void {
 		node.physicsLayer = this.layerMap.get(layer);
 	}
 
-	/**
-	 * Updates the physics
-	 * @param deltaT 
-	 */
+	// @override
 	update(deltaT: number): void {
-		/*	ALGORITHM:
-				In an effort to keep things simple and working effectively, each dynamic node will resolve its
-				collisions considering the rest of the world as static.
-
-				Collision detecting will happen first. This can be considered a broad phase, but it is not especially
-				efficient, as it does not need to be for this game engine. Every dynamic node is checked against every
-				other node for collision area. If collision area is non-zero (meaning the current node sweeps into another),
-				it is added to a list of hits.
-
-				INITIALIZATION:
-					- Physics constants are reset
-					- Swept shapes are recalculated. If a node isn't moving, it is skipped.
-
-				COLLISION DETECTION:
-					- For a node, collision area will be calculated using the swept AABB of the node against every other AABB in a static state
-					- These collisions will be sorted by area in descending order
-				
-				COLLISION RESOLUTION:
-					- For each hit, time of collision is calculated using a swept line through the AABB of the static node expanded
-					  with minkowski sums (discretely, but the concept is there)
-					- The collision is resolved based on the near time of the collision (from method of separated axes)
-						- X is resolved by near x, Y by near y.
-						- There is some fudging to allow for sliding along walls of separate colliders. Sorting by area also helps with this.
-						- Corner to corner collisions are resolve to favor x-movement. This is in consideration of platformers, to give
-						  the player some help with jumps
-
-				Pros:
-					- Everything happens with a consistent time. There is a distinct before and after for each resolution.
-					- No back-tracking needs to be done. Once we resolve a node, it is definitively resolved.
-				
-				Cons:
-					- Nodes that are processed early have movement priority over other nodes. This can lead to some undesirable interactions.
-		*/
 		for(let node of this.dynamicNodes){
 			/*---------- INITIALIZATION PHASE ----------*/
 			// Clear frame dependent boolean values for each node
@@ -186,7 +178,13 @@ export default class TestPhysicsManager extends PhysicsManager {
 		}
 	}
 
-	collideWithOrthogonalTilemap(node: Physical, tilemap: OrthogonalTilemap, overlaps: Array<AreaCollision>): void {
+	/**
+	 * Handles a collision between this node and an orthogonal tilemap
+	 * @param node The node
+	 * @param tilemap The tilemap the node may be colliding with
+	 * @param overlaps The list of overlaps
+	 */
+	protected collideWithOrthogonalTilemap(node: Physical, tilemap: OrthogonalTilemap, overlaps: Array<AreaCollision>): void {
 		// Get the min and max x and y coordinates of the moving node
 		let min = new Vec2(node.sweptRect.left, node.sweptRect.top);
 		let max = new Vec2(node.sweptRect.right, node.sweptRect.bottom);
@@ -217,13 +215,4 @@ export default class TestPhysicsManager extends PhysicsManager {
 			}
 		}
 	}
-}
-
-class AreaCollision {
-	area: number;
-	collider: AABB;
-	constructor(area: number, collider: AABB){
-		this.area = area;
-		this.collider = collider;
-	}
 }

src/Playback/Recorder.ts

@@ -4,7 +4,9 @@ import GameEvent from "../Events/GameEvent";
 import EventQueue from "../Events/EventQueue";
 import { GameEventType } from "../Events/GameEventType";
 
-export default class Recorder{
+// @ignorePage
+
+export default class Recorder {
 	private receiver: Receiver;
 	private log: Queue<LogItem>;
 	private recording: boolean;

src/Rendering/Animations/AnimationManager.ts

@@ -3,6 +3,12 @@ import Emitter from "../../Events/Emitter";
 import CanvasNode from "../../Nodes/CanvasNode";
 import { AnimationData, AnimationState } from "./AnimationTypes";
 
+/**
+ * An animation manager class for an animated CanvasNode.
+ * This class keeps track of the possible animations, as well as the current animation state,
+ * and abstracts all interactions with playing, pausing, and stopping animations as well as 
+ * creating new animations from the CanvasNode.
+ */
 export default class AnimationManager {
     /** The owner of this animation manager */
     protected owner: CanvasNode;
@@ -40,6 +46,10 @@ export default class AnimationManager {
     /** The onEnd event of a pending animation */
     protected pendingOnEnd: string;
 
+    /**
+     * Creates a new AnimationManager
+     * @param owner The owner of the AnimationManager
+     */
     constructor(owner: CanvasNode){
         this.owner = owner;
         this.animationState = AnimationState.STOPPED;
@@ -61,7 +71,10 @@ export default class AnimationManager {
         this.animations.add(key, animation);
     }
 
-    /** Gets the index specified by the current animation and current frame */
+    /**
+     * Gets the index specified by the current animation and current frame
+     * @returns The index in the current animation
+     */
     getIndex(): number {
         if(this.animations.has(this.currentAnimation)){
             return this.animations.get(this.currentAnimation).frames[this.currentFrame].index;
@@ -72,6 +85,10 @@ export default class AnimationManager {
         }
     }
 
+    /**
+     * Retrieves the current animation index and advances the animation frame
+     * @returns The index of the animation frame
+     */
     getIndexAndAdvanceAnimation(): number {
         // If we aren't playing, we won't be advancing the animation
         if(!(this.animationState === AnimationState.PLAYING)){
@@ -109,6 +126,7 @@ export default class AnimationManager {
         }
     }
 
+    /** Ends the current animation and fires any necessary events, as well as starting any new animations */
     protected endCurrentAnimation(): void {
         this.currentFrame = 0;
         this.animationState = AnimationState.STOPPED;
@@ -144,7 +162,13 @@ export default class AnimationManager {
         this.pendingAnimation = null;
     }
 
-    /** Queues a single animation to be played after the current one. Does NOT stack */
+    /**
+     * Queues a single animation to be played after the current one. Does NOT stack.
+     * Queueing additional animations past 1 will just replace the queued animation
+     * @param animation The animation to queue
+     * @param loop Whether or not the loop the queued animation
+     * @param onEnd The event to fire when the queued animation ends
+     */
     queue(animation: string, loop: boolean = false, onEnd?: string): void {
         this.pendingAnimation = animation;
         this.pendingLoop = loop;

src/Rendering/Animations/AnimationTypes.ts

@@ -1,6 +1,8 @@
 import { TweenableProperties } from "../../Nodes/GameNode";
 import { EaseFunctionType } from "../../Utils/EaseFunctions";
 
+// @ignorePage
+
 export enum AnimationState {
     STOPPED = 0,
     PAUSED = 1,

src/Rendering/Animations/TweenManager.ts

@@ -4,11 +4,24 @@ import { AnimationState, TweenData } from "./AnimationTypes";
 import EaseFunctions from "../../Utils/EaseFunctions";
 import MathUtils from "../../Utils/MathUtils";
 
+/**
+ * A manager for the tweens of a GameNode.
+ * Tweens are short animations played by interpolating between two properties using an easing function.
+ * For a good visual representation of easing functions, check out @link(https://easings.net/)(https://easings.net/).
+ * Multiple tween can be played at the same time, as long as they don't change the same property.
+ * This allows for some interesting polishes or animations that may be very difficult to do with sprite work alone
+ * - especially pixel art (such as rotations or scaling).
+ */
 export default class TweenManager {
+    /** The GameNode this TweenManager acts upon */
     protected owner: GameNode;
-
+    /** The list of created tweens */
     protected tweens: Map<TweenData>;
 
+    /**
+     * Creates a new TweenManager
+     * @param owner The owner of the TweenManager
+     */
     constructor(owner: GameNode){
         this.owner = owner;
         this.tweens = new Map();
@@ -83,7 +96,7 @@ export default class TweenManager {
 
     /**
      * Stops a currently playing tween
-     * @param key 
+     * @param key The key of the tween
      */
     stop(key: string): void {
         if(this.tweens.has(key)){

src/Rendering/CanvasRenderer.ts

@@ -20,6 +20,9 @@ import TextInput from "../Nodes/UIElements/TextInput";
 import AnimatedSprite from "../Nodes/Sprites/AnimatedSprite";
 import Vec2 from "../DataTypes/Vec2";
 
+/**
+ * An implementation of the RenderingManager class using CanvasRenderingContext2D.
+ */
 export default class CanvasRenderer extends RenderingManager {
     protected ctx: CanvasRenderingContext2D;
     protected graphicRenderer: GraphicRenderer;
@@ -33,6 +36,7 @@ export default class CanvasRenderer extends RenderingManager {
         super();
     }
 
+    // @override
     setScene(scene: Scene){
         this.scene = scene;
         this.graphicRenderer.setScene(scene);
@@ -40,6 +44,7 @@ export default class CanvasRenderer extends RenderingManager {
         this.uiElementRenderer.setScene(scene);
     }
 
+    // @override
     initializeCanvas(canvas: HTMLCanvasElement, width: number, height: number): CanvasRenderingContext2D {
         canvas.width = width;
         canvas.height = height;
@@ -56,6 +61,7 @@ export default class CanvasRenderer extends RenderingManager {
         return this.ctx;
     }
 
+    // @override
     render(visibleSet: CanvasNode[], tilemaps: Tilemap[], uiLayers: Map<UILayer>): void {
         // Sort by depth, then by visible set by y-value
         visibleSet.sort((a, b) => {
@@ -104,6 +110,10 @@ export default class CanvasRenderer extends RenderingManager {
         uiLayers.forEach(key => uiLayers.get(key).getItems().forEach(node => this.renderNode(<CanvasNode>node)));
     }
 
+    /**
+     * Renders a specified CanvasNode
+     * @param node The CanvasNode to render
+     */
     protected renderNode(node: CanvasNode): void {
         // Calculate the origin of the viewport according to this sprite
         this.origin = this.scene.getViewTranslation(node);
@@ -139,6 +149,7 @@ export default class CanvasRenderer extends RenderingManager {
         this.ctx.setTransform(1, 0, 0, 1, 0, 0);
     }
 
+    // @override
     protected renderSprite(sprite: Sprite): void {
         // Get the image from the resource manager
         let image = this.resourceManager.getImage(sprite.imageId);
@@ -156,16 +167,9 @@ export default class CanvasRenderer extends RenderingManager {
             sprite.size.x, sprite.size.y,
             (-sprite.size.x*sprite.scale.x/2)*this.zoom, (-sprite.size.y*sprite.scale.y/2)*this.zoom,
             sprite.size.x * sprite.scale.x*this.zoom, sprite.size.y * sprite.scale.y*this.zoom);
-
-        // Debug mode
-        if(this.debug){
-            this.ctx.lineWidth = 4;
-            this.ctx.strokeStyle = "#00FF00"
-            let b = sprite.boundary;
-            this.ctx.strokeRect(-b.hw*this.zoom, -b.hh*this.zoom, b.hw*2*this.zoom, b.hh*2*this.zoom);
-        }
     }
 
+    // @override
     protected renderAnimatedSprite(sprite: AnimatedSprite): void {
         // Get the image from the resource manager
         let image = this.resourceManager.getImage(sprite.imageId);
@@ -187,16 +191,9 @@ export default class CanvasRenderer extends RenderingManager {
             sprite.size.x, sprite.size.y,
             (-sprite.size.x*sprite.scale.x/2)*this.zoom, (-sprite.size.y*sprite.scale.y/2)*this.zoom,
             sprite.size.x * sprite.scale.x*this.zoom, sprite.size.y * sprite.scale.y*this.zoom);
-
-        // Debug mode
-        if(this.debug){
-            this.ctx.lineWidth = 4;
-            this.ctx.strokeStyle = "#00FF00"
-            let b = sprite.boundary;
-            this.ctx.strokeRect(-b.hw*this.zoom, -b.hh*this.zoom, b.hw*2*this.zoom, b.hh*2*this.zoom);
-        }
     }
 
+    // @override
     protected renderGraphic(graphic: Graphic): void {
         if(graphic instanceof Point){
             this.graphicRenderer.renderPoint(<Point>graphic, this.zoom);
@@ -205,12 +202,14 @@ export default class CanvasRenderer extends RenderingManager {
         }
     }
 
+    // @override
     protected renderTilemap(tilemap: Tilemap): void {
         if(tilemap instanceof OrthogonalTilemap){
             this.tilemapRenderer.renderOrthogonalTilemap(<OrthogonalTilemap>tilemap);
         }
     }
 
+    // @override
     protected renderUIElement(uiElement: UIElement): void {
         if(uiElement instanceof Label){
             this.uiElementRenderer.renderLabel(uiElement);

src/Rendering/CanvasRendering/GraphicRenderer.ts

@@ -1,12 +1,17 @@
-import Vec2 from "../../DataTypes/Vec2";
 import Point from "../../Nodes/Graphics/Point";
 import Rect from "../../Nodes/Graphics/Rect";
 import ResourceManager from "../../ResourceManager/ResourceManager";
 import Scene from "../../Scene/Scene";
 
+/**
+ * A utility class to help the @reference[CanvasRenderer] render @reference[Graphic]s
+ */
 export default class GraphicRenderer {
+    /** The resource manager of the game engine */
     protected resourceManager: ResourceManager;
+    /** The current scene */
     protected scene: Scene;
+    /** The rendering context */
     protected ctx: CanvasRenderingContext2D;
 
     constructor(ctx: CanvasRenderingContext2D){
@@ -14,16 +19,30 @@ export default class GraphicRenderer {
         this.ctx = ctx;
     }
 
+    /**
+     * Sets the scene of this GraphicRenderer
+     * @param scene The current scene
+     */
     setScene(scene: Scene): void {
         this.scene = scene;
     }
 
+    /**
+     * Renders a point
+     * @param point The point to render
+     * @param zoom The zoom level
+     */
     renderPoint(point: Point, zoom: number): void {
 		this.ctx.fillStyle = point.color.toStringRGBA();
         this.ctx.fillRect((-point.size.x/2)*zoom, (-point.size.y/2)*zoom,
         point.size.x*zoom, point.size.y*zoom);
     }
 
+    /**
+     * Renders a rect
+     * @param rect The rect to render
+     * @param zoom The zoom level
+     */
     renderRect(rect: Rect, zoom: number): void {
         // Draw the interior of the rect
         if(rect.color.a !== 0){

src/Rendering/CanvasRendering/TilemapRenderer.ts

@@ -4,6 +4,9 @@ import OrthogonalTilemap from "../../Nodes/Tilemaps/OrthogonalTilemap";
 import Vec2 from "../../DataTypes/Vec2";
 import Tileset from "../../DataTypes/Tilesets/Tileset";
 
+/**
+ * A utility class for the @reference[CanvasRenderer] to render @reference[Tilemap]s
+ */
 export default class TilemapRenderer {
     protected resourceManager: ResourceManager;
     protected scene: Scene;
@@ -14,10 +17,18 @@ export default class TilemapRenderer {
         this.ctx = ctx;
     }
 
+    /**
+     * Sets the scene of this TilemapRenderer
+     * @param scene The current scene
+     */
     setScene(scene: Scene): void {
         this.scene = scene;
     }
 
+    /**
+     * Renders an orthogonal tilemap
+     * @param tilemap The tilemap to render
+     */
     renderOrthogonalTilemap(tilemap: OrthogonalTilemap): void {
         let previousAlpha = this.ctx.globalAlpha;
         this.ctx.globalAlpha = tilemap.getLayer().getAlpha();
@@ -49,6 +60,16 @@ export default class TilemapRenderer {
         this.ctx.globalAlpha = previousAlpha;
     }
 
+    /**
+     * Renders a tile
+     * @param tileset The tileset this tile belongs to 
+     * @param tileIndex The index of the tile
+     * @param tilemapRow The row of the tile in the tilemap
+     * @param tilemapCol The column of the tile in the tilemap
+     * @param origin The origin of the viewport
+     * @param scale The scale of the tilemap
+     * @param zoom The zoom level of the viewport
+     */
     protected renderTile(tileset: Tileset, tileIndex: number, tilemapRow: number, tilemapCol: number, origin: Vec2, scale: Vec2, zoom: number): void {
         let image = this.resourceManager.getImage(tileset.getImageKey());
 

src/Rendering/CanvasRendering/UIElementRenderer.ts

@@ -7,6 +7,9 @@ import ResourceManager from "../../ResourceManager/ResourceManager";
 import Scene from "../../Scene/Scene";
 import MathUtils from "../../Utils/MathUtils";
 
+/**
+ * A utility class to help the @reference[CanvasRenderer] render @reference[UIElement]s
+ */
 export default class UIElementRenderer {
     protected resourceManager: ResourceManager;
     protected scene: Scene;
@@ -17,10 +20,18 @@ export default class UIElementRenderer {
         this.ctx = ctx;
     }
 
+    /**
+     * Sets the scene of this UIElementRenderer
+     * @param scene The current scene
+     */
     setScene(scene: Scene): void {
         this.scene = scene;
     }
 
+    /**
+     * Renders a label
+     * @param label The label to render
+     */
     renderLabel(label: Label): void {
         // If the size is unassigned (by the user or automatically) assign it
         label.handleInitialSizing(this.ctx);
@@ -51,10 +62,18 @@ export default class UIElementRenderer {
 		this.ctx.globalAlpha = previousAlpha;
     }
 
+    /**
+     * Renders a button
+     * @param button The button to render
+     */
     renderButton(button: Button): void {
         this.renderLabel(button);
     }
 
+    /**
+     * Renders a slider
+     * @param slider The slider to render
+     */
     renderSlider(slider: Slider): void {
 		// Grab the global alpha so we can adjust it for this render
 		let previousAlpha = this.ctx.globalAlpha;
@@ -82,6 +101,10 @@ export default class UIElementRenderer {
         this.ctx.globalAlpha = previousAlpha;
     }
 
+    /**
+     * Renders a textInput
+     * @param textInput The textInput to render
+     */
     renderTextInput(textInput: TextInput): void {
         // Show a cursor sometimes
         if(textInput.focused && textInput.cursorCounter % 60 > 30){

src/Rendering/RenderingManager.ts

@@ -9,32 +9,73 @@ import ResourceManager from "../ResourceManager/ResourceManager";
 import UILayer from "../Scene/Layers/UILayer";
 import Scene from "../Scene/Scene";
 
+/**
+ * An abstract framework to put all rendering in once place in the application
+ */
 export default abstract class RenderingManager {
-    // Give the renderer access to the resource manager
+    /** The ResourceManager */
     protected resourceManager: ResourceManager;
+
+    /** The scene currently being rendered */
     protected scene: Scene;
-    debug: boolean;
 
     constructor(){
         this.resourceManager = ResourceManager.getInstance();
-        this.debug = false;
     }
 
+    /**
+     * Sets the scene currently being rendered
+     * @param scene The current Scene
+     */
     setScene(scene: Scene): void {
         this.scene = scene;
     }
 
+    /**
+     * Initialize the canvas for the game
+     * @param canvas The canvas element
+     * @param width The desired width of the canvas
+     * @param height The desired height of the canvas
+     * @returns The rendering context of the canvas
+     */
     abstract initializeCanvas(canvas: HTMLCanvasElement, width: number, height: number): any;
 
+    /**
+     * Renders the visible set of CanvasNodes and visible portions of tilemaps, as well as any UIElement in UILayers
+     * @param visibleSet The visible set of CanvasNodes
+     * @param tilemaps The tilemaps used in the application
+     * @param uiLayers The user interface layers
+     */
     abstract render(visibleSet: Array<CanvasNode>, tilemaps: Array<Tilemap>, uiLayers: Map<UILayer>): void;
 
+    /**
+     * Renders a sprite
+     * @param sprite The sprite to render
+     */
     protected abstract renderSprite(sprite: Sprite): void;
 
+    /**
+     * Renders an animated sprite
+     * @param sprite The animated sprite to render
+     */
     protected abstract renderAnimatedSprite(sprite: AnimatedSprite): void;
 
+    /**
+     * Renders a graphic
+     * @param graphic The graphic to render
+     */
     protected abstract renderGraphic(graphic: Graphic): void;
 
+    /**
+     * Renders a tilemap
+     * @param tilemap The tilemap to render
+     */
     protected abstract renderTilemap(tilemap: Tilemap): void;
 
+
+    /**
+     * Renders a UIElement
+     * @param uiElement The UIElement to render
+     */
     protected abstract renderUIElement(uiElement: UIElement): void;
 }

src/ResourceManager/ResourceManager.ts

@@ -5,16 +5,27 @@ import StringUtils from "../Utils/StringUtils";
 import AudioManager from "../Sound/AudioManager";
 import Spritesheet from "../DataTypes/Spritesheet";
 
+/**
+ * The resource manager for the game engine.
+ * The resource manager interfaces with the loadable assets of a game such as images, data files,
+ * and sounds, which are all found in the dist folder.
+ * This class controls loading and updates the @reference[Scene] with the loading progress, so that the scene does 
+ * not start before all necessary assets are loaded.
+ */
 export default class ResourceManager {
     // Instance for the singleton class
     private static instance: ResourceManager;
     
     // Booleans to keep track of whether or not the ResourceManager is currently loading something
+    /** Whether or not any resources are loading */
     private loading: boolean;
+    /** A boolean to indicate that the assets just finished loading */
     private justLoaded: boolean;
 
     // Functions to do something when loading progresses or is completed such as render a loading screen
+    /** A function that is called when loading progresses */
     public onLoadProgress: Function;
+    /** A function that is called when loading completes */
     public onLoadComplete: Function;
 
 
@@ -23,7 +34,7 @@ export default class ResourceManager {
     /** Number to keep track of how many images are loaded */
     private loadonly_imagesToLoad: number;
     /** The queue of images we must load */
-    private loadonly_imageLoadingQueue: Queue<{key: string, path: string}>;
+    private loadonly_imageLoadingQueue: Queue<KeyPathPair>;
     /** A map of the images that are currently loaded and (presumably) being used by the scene */
     private images: Map<HTMLImageElement>;
 
@@ -32,7 +43,7 @@ export default class ResourceManager {
     /** Number to keep track of how many tilemaps are loaded */
     private loadonly_spritesheetsToLoad: number;
     /** The queue of tilemaps we must load */
-    private loadonly_spritesheetLoadingQueue: Queue<{key: string, path: string}>;
+    private loadonly_spritesheetLoadingQueue: Queue<KeyPathPair>;
     /** A map of the tilemaps that are currently loaded and (presumably) being used by the scene */
     private spritesheets: Map<Spritesheet>;
 
@@ -41,7 +52,7 @@ export default class ResourceManager {
     /** Number to keep track of how many tilemaps are loaded */
     private loadonly_tilemapsToLoad: number;
     /** The queue of tilemaps we must load */
-    private loadonly_tilemapLoadingQueue: Queue<{key: string, path: string}>;
+    private loadonly_tilemapLoadingQueue: Queue<KeyPathPair>;
     /** A map of the tilemaps that are currently loaded and (presumably) being used by the scene */
     private tilemaps: Map<TiledTilemapData>;
 
@@ -50,7 +61,7 @@ export default class ResourceManager {
     /** Number to keep track of how many sounds are loaded */
     private loadonly_audioToLoad: number;
     /** The queue of sounds we must load */
-    private loadonly_audioLoadingQueue: Queue<{key: string, path: string}>;
+    private loadonly_audioLoadingQueue: Queue<KeyPathPair>;
     /** A map of the sounds that are currently loaded and (presumably) being used by the scene */
     private audioBuffers: Map<AudioBuffer>;
 
@@ -84,6 +95,7 @@ export default class ResourceManager {
 
     /**
      * Returns the current instance of this class or a new instance if none exist
+     * @returns The resource manager
      */
     static getInstance(): ResourceManager {
         if(!this.instance){
@@ -105,6 +117,7 @@ export default class ResourceManager {
     /**
      * Retrieves a loaded image
      * @param key The key of the loaded image
+     * @returns The image element associated with this key
      */
     public getImage(key: string): HTMLImageElement {
         let image = this.images.get(key);
@@ -114,18 +127,28 @@ export default class ResourceManager {
         return image;
     }
 
+    /**
+     * Loads a spritesheet from file
+     * @param key The key to associate the loaded spritesheet with
+     * @param path The path to the spritesheet to load
+     */
     public spritesheet(key: string, path: string): void {
         this.loadonly_spritesheetLoadingQueue.enqueue({key: key, path: path});
     }
 
+    /**
+     * Retrieves a loaded spritesheet
+     * @param key The key of the spritesheet to load
+     * @returns The loaded Spritesheet
+     */
     public getSpritesheet(key: string): Spritesheet {
         return this.spritesheets.get(key);
     }
 
     /**
-     * Load an audio file
-     * @param key 
-     * @param path 
+     * Loads an audio file
+     * @param key The key to associate with the loaded audio file
+     * @param path The path to the audio file to load
      */
     public audio(key: string, path: string): void {
         this.loadonly_audioLoadingQueue.enqueue({key: key, path: path});
@@ -133,7 +156,8 @@ export default class ResourceManager {
 
     /**
      * Retrieves a loaded audio file
-     * @param key 
+     * @param key The key of the audio file to load
+     * @returns The AudioBuffer created from the loaded audio fle
      */
     public getAudio(key: string): AudioBuffer {
         return this.audioBuffers.get(key);
@@ -141,8 +165,8 @@ export default class ResourceManager {
 
     /**
      * Load a tilemap from a json file. Automatically loads related images
-     * @param key 
-     * @param path 
+     * @param key The key to associate with the loaded tilemap
+     * @param path The path to the tilemap to load
      */
     public tilemap(key: string, path: string): void {
         this.loadonly_tilemapLoadingQueue.enqueue({key: key, path: path});
@@ -150,7 +174,8 @@ export default class ResourceManager {
 
     /**
      * Retreives a loaded tilemap
-     * @param key 
+     * @param key The key of the loaded tilemap
+     * @returns The tilemap data associated with the key
      */
     public getTilemap(key: string): TiledTilemapData {
         return this.tilemaps.get(key);
@@ -158,7 +183,7 @@ export default class ResourceManager {
 
     /**
      * Loads all resources currently in the queue
-     * @param callback 
+     * @param callback The function to cal when the resources are finished loading
      */
     loadResourcesFromQueue(callback: Function): void {
         this.loadonly_typesToLoad = 3;
@@ -211,7 +236,7 @@ export default class ResourceManager {
 
     /**
      * Loads all tilemaps currently in the tilemap loading queue
-     * @param onFinishLoading 
+     * @param onFinishLoading The function to call when loading is complete
      */
     private loadTilemapsFromQueue(onFinishLoading: Function): void {
         this.loadonly_tilemapsToLoad = this.loadonly_tilemapLoadingQueue.getSize();
@@ -230,9 +255,9 @@ export default class ResourceManager {
 
     /**
      * Loads a singular tilemap 
-     * @param key 
-     * @param pathToTilemapJSON 
-     * @param callbackIfLast 
+     * @param key The key of the tilemap
+     * @param pathToTilemapJSON The path to the tilemap JSON file
+     * @param callbackIfLast The function to call if this is the last tilemap to load
      */
     private loadTilemap(key: string, pathToTilemapJSON: string, callbackIfLast: Function): void {
         this.loadTextFile(pathToTilemapJSON, (fileText: string) => {
@@ -263,7 +288,7 @@ export default class ResourceManager {
 
     /**
      * Finish loading a tilemap. Calls the callback function if this is the last tilemap being loaded
-     * @param callback 
+     * @param callback The function to call if this is the last tilemap to load
      */
     private finishLoadingTilemap(callback: Function): void {
         this.loadonly_tilemapsLoaded += 1;
@@ -274,9 +299,9 @@ export default class ResourceManager {
         }
     }
 
-        /**
+    /**
      * Loads all spritesheets currently in the spritesheet loading queue
-     * @param onFinishLoading 
+     * @param onFinishLoading The function to call when the spritesheets are done loading
      */
     private loadSpritesheetsFromQueue(onFinishLoading: Function): void {
         this.loadonly_spritesheetsToLoad = this.loadonly_spritesheetLoadingQueue.getSize();
@@ -295,9 +320,9 @@ export default class ResourceManager {
 
     /**
      * Loads a singular spritesheet 
-     * @param key 
-     * @param pathToSpritesheetJSON 
-     * @param callbackIfLast 
+     * @param key The key of the spritesheet to load
+     * @param pathToSpritesheetJSON The path to the spritesheet JSON file
+     * @param callbackIfLast The function to call if this is the last spritesheet
      */
     private loadSpritesheet(key: string, pathToSpritesheetJSON: string, callbackIfLast: Function): void {
         this.loadTextFile(pathToSpritesheetJSON, (fileText: string) => {
@@ -317,7 +342,7 @@ export default class ResourceManager {
 
     /**
      * Finish loading a spritesheet. Calls the callback function if this is the last spritesheet being loaded
-     * @param callback 
+     * @param callback The function to call if this is the last spritesheet to load
      */
     private finishLoadingSpritesheet(callback: Function): void {
         this.loadonly_spritesheetsLoaded += 1;
@@ -330,7 +355,7 @@ export default class ResourceManager {
 
     /**
      * Loads all images currently in the image loading queue
-     * @param onFinishLoading 
+     * @param onFinishLoading The function to call when there are no more images to load
      */
     private loadImagesFromQueue(onFinishLoading: Function): void {
         this.loadonly_imagesToLoad = this.loadonly_imageLoadingQueue.getSize();
@@ -349,9 +374,9 @@ export default class ResourceManager {
 
     /**
      * Loads a singular image
-     * @param key 
-     * @param path 
-     * @param callbackIfLast 
+     * @param key The key of the image to load
+     * @param path The path to the image to load
+     * @param callbackIfLast The function to call if this is the last image
      */
     public loadImage(key: string, path: string, callbackIfLast: Function): void {
         var image = new Image();
@@ -369,7 +394,7 @@ export default class ResourceManager {
 
     /**
      * Finish loading an image. If this is the last image, it calls the callback function
-     * @param callback 
+     * @param callback The function to call if this is the last image
      */
     private finishLoadingImage(callback: Function): void {
         this.loadonly_imagesLoaded += 1;
@@ -382,7 +407,7 @@ export default class ResourceManager {
 
     /**
      * Loads all audio currently in the tilemap loading queue
-     * @param onFinishLoading 
+     * @param onFinishLoading The function to call when tilemaps are done loading
      */
     private loadAudioFromQueue(onFinishLoading: Function){
         this.loadonly_audioToLoad = this.loadonly_audioLoadingQueue.getSize();
@@ -401,9 +426,9 @@ export default class ResourceManager {
 
     /**
      * Load a singular audio file
-     * @param key 
-     * @param path 
-     * @param callbackIfLast 
+     * @param key The key to the audio file to load
+     * @param path The path to the audio file to load
+     * @param callbackIfLast The function to call if this is the last audio file to load
      */
     private loadAudio(key: string, path: string, callbackIfLast: Function): void {
         let audioCtx = AudioManager.getInstance().getAudioContext();
@@ -428,7 +453,7 @@ export default class ResourceManager {
 
     /**
      * Finish loading an audio file. Calls the callback functon if this is the last audio sample being loaded.
-     * @param callback 
+     * @param callback The function to call if this is the last audio file to load
      */
     private finishLoadingAudio(callback: Function): void {
         this.loadonly_audioLoaded += 1;
@@ -459,7 +484,7 @@ export default class ResourceManager {
             / this.loadonly_typesToLoad;
     }
 
-    public update(deltaT: number): void {
+    update(deltaT: number): void {
         if(this.loading){
             if(this.onLoadProgress){
                 this.onLoadProgress(this.getLoadPercent());
@@ -471,4 +496,9 @@ export default class ResourceManager {
             }
         }
     }
+}
+
+class KeyPathPair {
+    key: string
+    path: string
 }

src/Scene/Factories/CanvasNodeFactory.ts

@@ -13,9 +13,13 @@ import Slider from "../../Nodes/UIElements/Slider";
 import TextInput from "../../Nodes/UIElements/TextInput";
 import Rect from "../../Nodes/Graphics/Rect";
 import ResourceManager from "../../ResourceManager/ResourceManager";
-import UILayer from "../Layers/UILayer";
-import ParallaxLayer from "../Layers/ParallaxLayer";
 
+// @ignorePage
+
+/**
+ * A factory that abstracts adding @reference[CanvasNode]s to the @reference[Scene].
+ * Access methods in this factory through Scene.add.[methodName]().
+ */
 export default class CanvasNodeFactory {
 	protected scene: Scene;
 	protected resourceManager: ResourceManager;
@@ -30,6 +34,7 @@ export default class CanvasNodeFactory {
 	 * @param type The type of UIElement to add
 	 * @param layerName The layer to add the UIElement to
 	 * @param options Any additional arguments to feed to the constructor
+	 * @returns A new UIElement
 	 */
 	addUIElement = (type: string | UIElementType, layerName: string, options?: Record<string, any>): UIElement => {
 		// Get the layer
@@ -68,6 +73,7 @@ export default class CanvasNodeFactory {
 	 * Adds a sprite to the current scene
 	 * @param key The key of the image the sprite will represent
 	 * @param layerName The layer on which to add the sprite
+	 * @returns A new Sprite
 	 */
 	addSprite = (key: string, layerName: string): Sprite => {
 		let layer = this.scene.getLayer(layerName);
@@ -88,6 +94,12 @@ export default class CanvasNodeFactory {
 		return instance;
 	}
 
+	/**
+	 * Adds an AnimatedSprite to the current scene
+	 * @param key The key of the image the sprite will represent
+	 * @param layerName The layer on which to add the sprite
+	 * @returns A new AnimatedSprite
+	 */
 	addAnimatedSprite = (key: string, layerName: string): AnimatedSprite => {
 		let layer = this.scene.getLayer(layerName);
 		let spritesheet = this.resourceManager.getSpritesheet(key);
@@ -112,6 +124,7 @@ export default class CanvasNodeFactory {
 	 * @param type The type of graphic to add
 	 * @param layerName The layer on which to add the graphic
 	 * @param options Any additional arguments to send to the graphic constructor
+	 * @returns A new Graphic
 	 */
 	addGraphic = (type: GraphicType | string, layerName: string, options?: Record<string, any>): Graphic => {
 		// Get the layer

src/Scene/Factories/FactoryManager.ts

@@ -2,7 +2,18 @@ import Scene from "../Scene";
 import CanvasNodeFactory from "./CanvasNodeFactory";
 import TilemapFactory from "./TilemapFactory";
 import Tilemap from "../../Nodes/Tilemap";
+import { UIElementType } from "../../Nodes/UIElements/UIElementTypes";
+import UIElement from "../../Nodes/UIElement";
+import Sprite from "../../Nodes/Sprites/Sprite";
+import { GraphicType } from "../../Nodes/Graphics/GraphicTypes";
+import Graphic from "../../Nodes/Graphic";
+import AnimatedSprite from "../../Nodes/Sprites/AnimatedSprite";
+import Vec2 from "../../DataTypes/Vec2";
+import Layer from "../Layer";
 
+/**
+ * The manager of all factories used for adding @reference[GameNode]s to the @reference[Scene].
+ */
 export default class FactoryManager {
 
     // Constructors are called here to allow assignment of their functions to functions in this class
@@ -15,9 +26,56 @@ export default class FactoryManager {
     }
 
     // Expose all of the factories through the factory manager
-    uiElement = this.canvasNodeFactory.addUIElement;
-    sprite = this.canvasNodeFactory.addSprite;
-    animatedSprite = this.canvasNodeFactory.addAnimatedSprite;
-    graphic = this.canvasNodeFactory.addGraphic;
-    tilemap = this.tilemapFactory.add;
+    /**
+	 * Adds an instance of a UIElement to the current scene - i.e. any class that extends UIElement
+	 * @param type The type of UIElement to add
+	 * @param layerName The layer to add the UIElement to
+	 * @param options Any additional arguments to feed to the constructor
+	 * @returns A new UIElement
+	 */
+    uiElement(type: string | UIElementType, layerName: string, options?: Record<string, any>): UIElement {
+        return this.canvasNodeFactory.addUIElement(type, layerName, options);
+    }
+
+    /**
+	 * Adds a sprite to the current scene
+	 * @param key The key of the image the sprite will represent
+	 * @param layerName The layer on which to add the sprite
+	 * @returns A new Sprite
+	 */
+	sprite(key: string, layerName: string): Sprite {
+        return this.canvasNodeFactory.addSprite(key, layerName);
+    }
+
+    /**
+	 * Adds an AnimatedSprite to the current scene
+	 * @param key The key of the image the sprite will represent
+	 * @param layerName The layer on which to add the sprite
+	 * @returns A new AnimatedSprite
+	 */
+	animatedSprite(key: string, layerName: string): AnimatedSprite {
+        return this.canvasNodeFactory.addAnimatedSprite(key, layerName);
+    }
+
+    /**
+	 * Adds a new graphic element to the current Scene
+	 * @param type The type of graphic to add
+	 * @param layerName The layer on which to add the graphic
+	 * @param options Any additional arguments to send to the graphic constructor
+	 * @returns A new Graphic
+	 */
+	graphic(type: GraphicType | string, layerName: string, options?: Record<string, any>): Graphic {
+        return this.canvasNodeFactory.addGraphic(type, layerName, options);
+    }
+
+    /**
+     * Adds a tilemap to the scene
+     * @param key The key of the loaded tilemap to load
+     * @param constr The constructor of the desired tilemap
+     * @param args Additional arguments to send to the tilemap constructor
+     * @returns An array of Layers, each of which contains a layer of the tilemap as its own Tilemap instance.
+     */
+	tilemap(key: string, scale?: Vec2): Array<Layer> {
+        return this.tilemapFactory.add(key, scale);
+    }
 }

src/Scene/Factories/TilemapFactory.ts

@@ -10,6 +10,12 @@ import Sprite from "../../Nodes/Sprites/Sprite";
 import PositionGraph from "../../DataTypes/Graphs/PositionGraph";
 import Navmesh from "../../Pathfinding/Navmesh";
 
+// @ignorePage
+
+/**
+ * A factory that abstracts adding @reference[Tilemap]s to the @reference[Scene].
+ * Access methods in this factory through Scene.add.[methodName]().
+ */
 export default class TilemapFactory {
     private scene: Scene;
     private tilemaps: Array<Tilemap>;
@@ -30,6 +36,7 @@ export default class TilemapFactory {
      * @param key The key of the loaded tilemap to load
      * @param constr The constructor of the desired tilemap
      * @param args Additional arguments to send to the tilemap constructor
+     * @returns An array of Layers, each of which contains a layer of the tilemap as its own Tilemap instance.
      */
 	add = (key: string, scale: Vec2 = new Vec2(1, 1)): Array<Layer> => {
         // Get Tilemap Data

src/Scene/Layer.ts

@@ -4,7 +4,7 @@ import GameNode from "../Nodes/GameNode";
 
 
 /**
- * A layer in the scene. Has its own alpha value and parallax.
+ * A layer in the scene. Layers are used for sorting @reference[GameNode]s by depth.
  */
 export default class Layer {
     /** The scene this layer belongs to */
@@ -31,6 +31,11 @@ export default class Layer {
     /** The depth of this layer compared to other layers */
     protected depth: number;
 
+    /**
+     * Creates a new layer. To do this in a game, use the addLayer() method in @refrence[Scene]
+     * @param scene The scene to add the layer to
+     * @param name The name of the layer
+     */
     constructor(scene: Scene, name: string){
         this.scene = scene;
         this.name = name;
@@ -42,30 +47,57 @@ export default class Layer {
         this.depth = 0;
     }
 
+    /**
+     * Retreives the name of the layer
+     * @returns The name of the layer
+     */
     getName(): string {
         return this.name;
     }
 
+    /**
+     * Pauses/Unpauses the layer. Affects all elements in this layer
+     * @param pauseValue True if the layer should be paused, false if not
+     */
     setPaused(pauseValue: boolean): void {
         this.paused = pauseValue;
     }
     
+    /**
+     * Returns whether or not the layer is paused
+     */
     isPaused(): boolean {
         return this.paused;
     }
 
+    /**
+     * Sets the opacity of the layer
+     * @param alpha The new opacity value in the range [0, 1]
+     */
     setAlpha(alpha: number): void {
         this.alpha = MathUtils.clamp(alpha, 0, 1);
     }
 
+    /**
+     * Gets the opacity of the layer
+     * @returns The opacity
+     */
     getAlpha(): number {
         return this.alpha;
     }
 
+    /**
+     * Sets the layer's hidden value. If hidden, a layer will not be rendered, but will still update
+     * @param hidden The hidden value of the layer
+     */
     setHidden(hidden: boolean): void {
         this.hidden = hidden;
     }
 
+    /**
+     * Returns the hideen value of the lyaer
+     * @returns True if the scene is hidden, false otherwise
+     */
     isHidden(): boolean {
         return this.hidden;
     }
@@ -82,27 +114,55 @@ export default class Layer {
         this.hidden = false;
     }
 
+    /**
+     * Sets whether or not the scene will ySort automatically.
+     * ySorting means that CanvasNodes on this layer will have their depth sorted depending on their y-value.
+     * This means that if an object is "higher" in the scene, it will sort behind objects that are "lower".
+     * This is useful for 3/4 view games, or similar situations, where you sometimes want to be in front of objects,
+     * and other times want to be behind the same objects.
+     * @param ySort True if ySorting should be active, false if not
+     */
     setYSort(ySort: boolean): void {
         this.ySort = ySort;
     }
 
+    /**
+     * Gets the ySort status of the scene
+     * @returns True if ySorting is occurring, false otherwise
+     */
     getYSort(): boolean {
         return this.ySort;
     }
 
+    /**
+     * Sets the depth of the layer compared to other layers. A larger number means the layer will be closer to the screen.
+     * @param depth The depth of the layer.
+     */
     setDepth(depth: number): void {
         this.depth = depth;
     }
 
+    /**
+     * Retrieves the depth of the layer.
+     * @returns The depth
+     */
     getDepth(): number {
         return this.depth;
     }
 
+    /**
+     * Adds a node to this layer
+     * @param node The node to add to this layer.
+     */
     addNode(node: GameNode): void {
         this.items.push(node);
         node.setLayer(this);
     }
 
+    /**
+     * Retreives all GameNodes from this layer
+     * @returns an Array that contains all of the GameNodes in this layer.
+     */
     getItems(): Array<GameNode> {
         return this.items;
     }

src/Scene/Layers/ParallaxLayer.ts

@@ -2,9 +2,20 @@ import Layer from "../Layer";
 import Vec2 from "../../DataTypes/Vec2";
 import Scene from "../Scene";
 
+/**
+ * An extension of a Layer that has a parallax value.
+ */
 export default class ParallaxLayer extends Layer {
+	/** The value of the parallax of the Layer */
 	parallax: Vec2;
 	
+	/**
+	 * Creates a new ParallaxLayer.
+	 * Use addParallaxLayer() in @reference[Scene] to add a layer of this type to your game.
+	 * @param scene The Scene to add this ParallaxLayer to
+	 * @param name The name of the ParallaxLayer
+	 * @param parallax The parallax level
+	 */
 	constructor(scene: Scene, name: string, parallax: Vec2){
 		super(scene, name);
 		this.parallax = parallax;

src/Scene/Layers/UILayer.ts

@@ -2,7 +2,18 @@ import Vec2 from "../../DataTypes/Vec2";
 import Scene from "../Scene";
 import ParallaxLayer from "./ParallaxLayer";
 
+/**
+ * A Layer strictly to be used for managing UIElements.
+ * This is intended to be a Layer that always stays in the same place,
+ * and thus renders things like a HUD or an inventory without taking into consideration the \reference[Viewport] scroll.
+ */
 export default class UILayer extends ParallaxLayer {
+	/**
+	 * Creates a new UILayer.
+	 * Use addUILayer() in @reference[Scene] to add a layer of this type to your game.
+	 * @param scene The Scene to add this UILayer to
+	 * @param name The name of the UILayer
+	 */
 	constructor(scene: Scene, name: string){
 		super(scene, name, Vec2.ZERO);
 	}

src/Scene/Scene.ts

@@ -20,10 +20,16 @@ import ParallaxLayer from "./Layers/ParallaxLayer";
 import UILayer from "./Layers/UILayer";
 import CanvasNode from "../Nodes/CanvasNode";
 import GameNode from "../Nodes/GameNode";
-import ArrayUtils from "../Utils/ArrayUtils";
+import SceneOptions from "./SceneOptions";
 import RenderingManager from "../Rendering/RenderingManager";
 import Debug from "../Debug/Debug";
 
+/**
+ * Scenes are the main container in the game engine.
+ * Your main scene is the current level or menu of the game, and will contain all of the GameNodes needed.
+ * Scenes provide an easy way to load assets, add assets to the game world, and unload assets,
+ * and have lifecycle methods exposed for these functions.
+ */
 export default class Scene implements Updateable {
     /** The size of the game world. */
     protected worldSize: Vec2;
@@ -82,6 +88,14 @@ export default class Scene implements Updateable {
     /** The configuration options for this scene */
     public sceneOptions: SceneOptions;
 
+    /**
+     * Creates a new Scene. To add a new Scene in your game, use addScene() in @reference[SceneManager]
+     * @param viewport The viewport of the game
+     * @param sceneManager The SceneManager that owns this Scene
+     * @param renderingManager The RenderingManager that will handle this Scene's rendering
+     * @param game The instance of the GameLoop
+     * @param options The options for Scene initialization
+     */
     constructor(viewport: Viewport, sceneManager: SceneManager, renderingManager: RenderingManager, game: GameLoop, options: Record<string, any>){
         this.sceneOptions = SceneOptions.parse(options);
 
@@ -122,7 +136,7 @@ export default class Scene implements Updateable {
 
     /**
      * A lifecycle method called every frame of the game. This is where you can dynamically do things like add in new enemies
-     * @param delta 
+     * @param delta The time this frame represents
      */
     updateScene(deltaT: number): void {}
 
@@ -149,6 +163,9 @@ export default class Scene implements Updateable {
         this.viewport.update(deltaT);
     }
 
+    /**
+     * Collects renderable sets and coordinates with the RenderingManager to draw the Scene
+     */
     render(): void {
         // Get the visible set of nodes
         let visibleSet = this.sceneGraph.getVisibleSet();
@@ -171,10 +188,18 @@ export default class Scene implements Updateable {
         Debug.setNodes(nodes);
     }
 
+    /**
+     * Sets the scene as running or not
+     * @param running True if the Scene should be running, false if not
+     */
     setRunning(running: boolean): void {
         this.running = running;
     }
 
+    /**
+     * Returns whether or not the Scene is running
+     * @returns True if the scene is running, false otherwise
+     */
     isRunning(): boolean {
         return this.running;
     }
@@ -183,6 +208,7 @@ export default class Scene implements Updateable {
      * Adds a new layer to the scene and returns it
      * @param name The name of the new layer
      * @param depth The depth of the layer
+     * @returns The newly created Layer
      */
     addLayer(name: string, depth?: number): Layer {
         if(this.layers.has(name) || this.parallaxLayers.has(name) || this.uiLayers.has(name)){
@@ -205,6 +231,7 @@ export default class Scene implements Updateable {
      * @param name The name of the parallax layer
      * @param parallax The parallax level
      * @param depth The depth of the layer
+     * @returns The newly created ParallaxLayer
      */
     addParallaxLayer(name: string, parallax: Vec2, depth?: number): ParallaxLayer {
         if(this.layers.has(name) || this.parallaxLayers.has(name) || this.uiLayers.has(name)){
@@ -225,6 +252,7 @@ export default class Scene implements Updateable {
     /**
      * Adds a new UILayer to the scene
      * @param name The name of the new UIlayer
+     * @returns The newly created UILayer
      */
     addUILayer(name: string): UILayer {
         if(this.layers.has(name) || this.parallaxLayers.has(name) || this.uiLayers.has(name)){
@@ -239,8 +267,10 @@ export default class Scene implements Updateable {
     }
 
     /**
-     * Gets a layer from the scene by name if it exists
+     * Gets a layer from the scene by name if it exists.
+     * This can be a Layer or any of its subclasses
      * @param name The name of the layer
+     * @returns The Layer found with that name
      */
     getLayer(name: string): Layer {
         if(this.layers.has(name)){
@@ -256,7 +286,8 @@ export default class Scene implements Updateable {
 
     /**
      * Returns true if this layer is a ParallaxLayer
-     * @param name 
+     * @param name The name of the layer
+     * @returns True if this layer is a ParallaxLayer
      */
     isParallaxLayer(name: string): boolean {
         return this.parallaxLayers.has(name);
@@ -264,15 +295,18 @@ export default class Scene implements Updateable {
 
     /**
      * Returns true if this layer is a UILayer
-     * @param name 
+     * @param name The name of the layer
+     * @returns True if this layer is ParallaxLayer
      */
     isUILayer(name: string): boolean {
         return this.uiLayers.has(name);
     }    
 
     /**
-     * Returns the translation of this node with respect to camera space (due to the viewport moving);
-     * @param node 
+     * Returns the translation of this node with respect to camera space (due to the viewport moving).
+     * This value is affected by the parallax level of the @reference[Layer] the node is on.
+     * @param node The node to check the viewport with respect to
+     * @returns A Vec2 containing the translation of viewport with respect to this node.
      */
     getViewTranslation(node: GameNode): Vec2 {
         let layer = node.getLayer();
@@ -284,40 +318,75 @@ export default class Scene implements Updateable {
         }
 	}
 
-    /** Returns the scale level of the view */
+    /**
+     * Returns the scale level of the view
+     * @returns The zoom level of the viewport
+    */
 	getViewScale(): number {
 		return this.viewport.getZoomLevel();
 	}
 
-    /** Returns the viewport associated with this scene */
+    /**
+     * Returns the Viewport associated with this scene
+     * @returns The current Viewport
+     */
     getViewport(): Viewport {
         return this.viewport;
     }
 
+    /**
+     * Gets the world size of this Scene
+     * @returns The world size in a Vec2
+     */
     getWorldSize(): Vec2 {
         return this.worldSize;
     }
 
+    /**
+     * Gets the SceneGraph associated with this Scene
+     * @returns The SceneGraph
+     */
     getSceneGraph(): SceneGraph {
         return this.sceneGraph;
     }
 
+    /**
+     * Gets the PhysicsManager associated with this Scene
+     * @returns The PhysicsManager
+     */
     getPhysicsManager(): PhysicsManager {
         return this.physicsManager;
     }
 
+    /**
+     * Gets the NavigationManager associated with this Scene
+     * @returns The NavigationManager
+     */
     getNavigationManager(): NavigationManager {
         return this.navManager;
     }
 
+    /**
+     * Gets the AIManager associated with this Scene
+     * @returns The AIManager
+     */
     getAIManager(): AIManager {
         return this.aiManager;
     }
 
+    /**
+     * Generates an ID for a GameNode
+     * @returns The new ID
+     */
     generateId(): number {
         return this.sceneManager.generateId();
     }
 
+    /**
+     * Retrieves a Tilemap in this Scene
+     * @param name The name of the Tilemap
+     * @returns The Tilemap, if one this name exists, otherwise null
+     */
     getTilemap(name: string): Tilemap {
         for(let tilemap of this .tilemaps){
             if(tilemap.name === name){
@@ -327,30 +396,4 @@ export default class Scene implements Updateable {
 
         return null;
     }
-}
-
-class SceneOptions {
-    physics: {
-        numPhysicsLayers: number,
-        physicsLayerNames: Array<string>,
-        physicsLayerCollisions: Array<Array<number>>;
-    }
-
-    static parse(options: Record<string, any>): SceneOptions{
-        let sOpt = new SceneOptions();
-
-        sOpt.physics = {
-            numPhysicsLayers: 10,
-            physicsLayerNames: null,
-            physicsLayerCollisions: ArrayUtils.ones2d(10, 10)
-        };
-
-        if(options.physics){
-            if(options.physics.numPhysicsLayers)        sOpt.physics.numPhysicsLayers = options.physics.numPhysicsLayers;
-            if(options.physics.physicsLayerNames)       sOpt.physics.physicsLayerNames = options.physics.physicsLayerNames;
-            if(options.physics.physicsLayerCollisions)  sOpt.physics.physicsLayerCollisions = options.physics.physicsLayerCollisions;
-        }
-
-        return sOpt;
-    }
 }

src/Scene/SceneManager.ts

@@ -4,14 +4,31 @@ import Viewport from "../SceneGraph/Viewport";
 import GameLoop from "../Loop/GameLoop";
 import RenderingManager from "../Rendering/RenderingManager";
 
+/**
+ * The SceneManager of the game engine. There is only one of theses.
+ * The SceneManager acts as an interface to create Scenes, and handles the lifecycle methods of Scenes.
+ * The Scene manager keeps track of systems that are constant across scene, such as the @reference[ResourceManager]
+ */
 export default class SceneManager {
+	/** The current Scene of the game */
 	protected currentScene: Scene;
+	/** The Viewport of the game */
 	protected viewport: Viewport;
+	/** A reference to the ResourceManager */
 	protected resourceManager: ResourceManager;
+	/** The GameLoop this SceneManager belongs to */
 	protected game: GameLoop;
+	/** A counter to keep track of game ids */
 	protected idCounter: number;
+	/** The RenderingManager of the game */
 	protected renderingManager: RenderingManager;
 
+	/**
+	 * Creates a new SceneManager
+	 * @param viewport The Viewport of the game
+	 * @param game The GameLoop instance
+	 * @param renderingManager The RenderingManager of the game
+	 */
 	constructor(viewport: Viewport, game: GameLoop, renderingManager: RenderingManager){
 		this.resourceManager = ResourceManager.getInstance();
 		this.viewport = viewport;
@@ -21,7 +38,8 @@ export default class SceneManager {
 	}
 
 	/**
-	 * Add a scene as the main scene
+	 * Add a scene as the main scene.
+	 * Use this method if you've created a subclass of Scene, and you want to add it as the main Scene.
 	 * @param constr The constructor of the scene to add
 	 */
 	public addScene<T extends Scene>(constr: new (...args: any) => T, options: Record<string, any>): void {
@@ -43,7 +61,8 @@ export default class SceneManager {
 	}
 
 	/**
-	 * Change from the current scene to this new scene
+	 * Change from the current scene to this new scene.
+	 * Use this method if you've created a subclass of Scene, and you want to add it as the main Scene.
 	 * @param constr The constructor of the scene to change to
 	 */
 	public changeScene<T extends Scene>(constr: new (...args: any) => T, options: Record<string, any>): void {
@@ -57,14 +76,25 @@ export default class SceneManager {
 		this.addScene(constr, options);
 	}
 
+	/**
+	 * Generates a unique ID
+	 * @returns A new ID
+	 */
 	public generateId(): number {
 		return this.idCounter++;
 	}
 
-	public render(){
+	/**
+	 * Renders the current Scene
+	 */
+	public render(): void {
 		this.currentScene.render();
 	}
 
+	/**
+	 * Updates the current Scene
+	 * @param deltaT The timestep of the Scene
+	 */
 	public update(deltaT: number){
 		if(this.currentScene.isRunning()){
 			this.currentScene.update(deltaT);

src/Scene/SceneOptions.ts

@@ -0,0 +1,32 @@
+import ArrayUtils from "../Utils/ArrayUtils";
+
+// @ignorePage
+
+/**
+ * The options to give a @reference[Scene] for initialization
+ */
+export default class SceneOptions {
+    physics: {
+        numPhysicsLayers: number,
+        physicsLayerNames: Array<string>,
+        physicsLayerCollisions: Array<Array<number>>;
+    }
+
+    static parse(options: Record<string, any>): SceneOptions{
+        let sOpt = new SceneOptions();
+
+        sOpt.physics = {
+            numPhysicsLayers: 10,
+            physicsLayerNames: null,
+            physicsLayerCollisions: ArrayUtils.ones2d(10, 10)
+        };
+
+        if(options.physics){
+            if(options.physics.numPhysicsLayers)        sOpt.physics.numPhysicsLayers = options.physics.numPhysicsLayers;
+            if(options.physics.physicsLayerNames)       sOpt.physics.physicsLayerNames = options.physics.physicsLayerNames;
+            if(options.physics.physicsLayerCollisions)  sOpt.physics.physicsLayerCollisions = options.physics.physicsLayerCollisions;
+        }
+
+        return sOpt;
+    }
+}

src/SceneGraph/SceneGraph.ts

@@ -6,14 +6,25 @@ import Scene from "../Scene/Scene";
 import AABB from "../DataTypes/Shapes/AABB";
 
 /**
- * An abstract interface of a SceneGraph. Exposes methods for use by other code, but leaves the implementation up to the subclasses.
+ * An abstract interface of a SceneGraph.
+ * Exposes methods for use by other code, but leaves the implementation up to the subclasses.
+ * The SceneGraph manages the positions of all GameNodes, and can easily prune a visible set for rendering.
  */
 export default abstract class SceneGraph {
+	/**	A reference to the viewport */
 	protected viewport: Viewport;
+	/**	A map of CanvasNodes in this SceneGraph */
 	protected nodeMap: Map<CanvasNode>;
+	/** A counter of IDs for nodes in this SceneGraph */
 	protected idCounter: number;
+	/** A reference to the Scene this SceneGraph belongs to */
 	protected scene: Scene;
 
+	/**
+	 * Creates a new SceneGraph
+	 * @param viewport The viewport
+	 * @param scene The Scene this SceneGraph belongs to
+	 */
     constructor(viewport: Viewport, scene: Scene){
 		this.viewport = viewport;
 		this.scene = scene;
@@ -24,6 +35,7 @@ export default abstract class SceneGraph {
 	/**
 	 * Add a node to the SceneGraph
 	 * @param node The CanvasNode to add to the SceneGraph
+	 * @returns The SceneGraph ID of this newly added CanvasNode
 	 */
     addNode(node: CanvasNode): number {
 		this.nodeMap.add(this.idCounter.toString(), node);
@@ -63,15 +75,17 @@ export default abstract class SceneGraph {
 	/**
 	 * Get a specific node using its id
 	 * @param id The id of the CanvasNode to retrieve
+	 * @returns The node with this ID
 	 */
 	getNode(id: string): CanvasNode {
 		return this.nodeMap.get(id);
 	}
 
 	/**
-	 * Returns the node at specific coordinates
-	 * @param vecOrX 
-	 * @param y 
+	 * Returns the nodes at specific coordinates
+	 * @param vecOrX The x-coordinate of the position, or the coordinates in a Vec2
+	 * @param y The y-coordinate of the position
+	 * @returns An array of nodes found at the position provided
 	 */
     getNodesAt(vecOrX: Vec2 | number, y: number = null): Array<CanvasNode> {
 		if(vecOrX instanceof Vec2){
@@ -81,8 +95,17 @@ export default abstract class SceneGraph {
 		}
 	}
 
+	/**
+	 * Returns the nodes that overlap a specific boundary
+	 * @param boundary The region to check
+	 * @returns An array of nodes found overlapping the provided boundary
+	 */
 	abstract getNodesInRegion(boundary: AABB): Array<CanvasNode>;
 	
+	/**
+	 * Returns all nodes in the SceneGraph
+	 * @returns An Array containing all nodes in the SceneGraph
+	 */
 	getAllNodes(): Array<CanvasNode> {
 		let arr = new Array<CanvasNode>();
 		this.nodeMap.forEach(key => arr.push(this.nodeMap.get(key)));
@@ -91,8 +114,8 @@ export default abstract class SceneGraph {
 
 	/**
 	 * The specific implementation of getting a node at certain coordinates
-	 * @param x 
-	 * @param y 
+	 * @param x The x-coordinates of the node
+	 * @param y The y-coordinates of the node
 	 */
     protected abstract getNodesAtCoords(x: number, y: number): Array<CanvasNode>;
 
@@ -101,7 +124,8 @@ export default abstract class SceneGraph {
 	abstract render(ctx: CanvasRenderingContext2D): void;
 
 	/**
-	 * Gets the visible set of CanvasNodes based on the viewport
+	 * Gets the visible set of CanvasNodes based on the @reference[Viewport]
+	 * @returns An array containing all visible nodes in the SceneGraph
 	 */
     abstract getVisibleSet(): Array<CanvasNode>;
 }

src/SceneGraph/SceneGraphArray.ts

@@ -2,37 +2,41 @@ import SceneGraph from "./SceneGraph";
 import CanvasNode from "../Nodes/CanvasNode";
 import Viewport from "./Viewport";
 import Scene from "../Scene/Scene";
-import Stack from "../DataTypes/Stack";
-import Layer from "../Scene/Layer"
 import AABB from "../DataTypes/Shapes/AABB";
 import Stats from "../Debug/Stats";
 
-export default class SceneGraphArray extends SceneGraph{
-	private nodeList: Array<CanvasNode>;
-    private turnOffViewportCulling_demoTool: boolean;
+/**
+ * An implementation of a SceneGraph that simply stored CanvasNodes in an array.
+ */
+export default class SceneGraphArray extends SceneGraph {
+    /** The list of CanvasNodes in this SceneGraph */
+    private nodeList: Array<CanvasNode>;
 
+    /**
+     * Creates a new SceneGraphArray
+     * @param viewport The Viewport
+     * @param scene The Scene this SceneGraph belongs to
+     */
     constructor(viewport: Viewport, scene: Scene){
         super(viewport, scene);
 
         this.nodeList = new Array<CanvasNode>();
-        this.turnOffViewportCulling_demoTool = false;
     }
 
-    setViewportCulling_demoTool(bool: boolean): void {
-        this.turnOffViewportCulling_demoTool = bool;
-    }
-
-    addNodeSpecific(node: CanvasNode, id: string): void {
+    // @override
+    protected addNodeSpecific(node: CanvasNode, id: string): void {
         this.nodeList.push(node);
     }
 
-    removeNodeSpecific(node: CanvasNode, id: string): void {
+    // @override
+    protected removeNodeSpecific(node: CanvasNode, id: string): void {
         let index = this.nodeList.indexOf(node);
         if(index > -1){
             this.nodeList.splice(index, 1);
         }
     }
 
+    // @override
     getNodesAtCoords(x: number, y: number): Array<CanvasNode> {
         let results = [];
 
@@ -45,6 +49,7 @@ export default class SceneGraphArray extends SceneGraph{
         return results;
     }
 
+    // @override
     getNodesInRegion(boundary: AABB): Array<CanvasNode> {
         let t0 = performance.now();
         let results = [];
@@ -73,16 +78,8 @@ export default class SceneGraphArray extends SceneGraph{
 
     render(ctx: CanvasRenderingContext2D): void {}
 
+    // @override
     getVisibleSet(): Array<CanvasNode> {
-        // If viewport culling is turned off for demonstration
-        if(this.turnOffViewportCulling_demoTool){
-            let visibleSet = new Array<CanvasNode>();
-            for(let node of this.nodeList){
-                visibleSet.push(node);
-            }
-            return visibleSet;
-        }
-
         let visibleSet = new Array<CanvasNode>();
 
         for(let node of this.nodeList){

src/SceneGraph/SceneGraphQuadTree.ts

@@ -7,10 +7,21 @@ import Vec2 from "../DataTypes/Vec2";
 import AABB from "../DataTypes/Shapes/AABB";
 import Stats from "../Debug/Stats";
 
+/**
+ * An implementation of a SceneGraph that uses a @reference[RegionQuadTree] to store @reference[CanvasNode]s.
+ */
 export default class SceneGraphQuadTree extends SceneGraph {
+    /** The QuadTree used to store the CanvasNodes */
     private qt: RegionQuadTree<CanvasNode>;
+
+    /** A list of nodes to help out the QuadTree */
     private nodes: Array<CanvasNode>;
 
+    /**
+     * Creates a new SceneGraphQuadTree
+     * @param viewport The Viewport
+     * @param scene The Scene this SceneGraph belongs to
+     */
     constructor(viewport: Viewport, scene: Scene){
         super(viewport, scene);
 
@@ -19,21 +30,25 @@ export default class SceneGraphQuadTree extends SceneGraph {
         this.nodes = new Array();
     }
 
-    addNodeSpecific(node: CanvasNode, id: string): void {
+    // @override
+    protected addNodeSpecific(node: CanvasNode, id: string): void {
         this.nodes.push(node);
     }
 
-    removeNodeSpecific(node: CanvasNode, id: string): void {
+    // @override
+    protected removeNodeSpecific(node: CanvasNode, id: string): void {
         let index = this.nodes.indexOf(node);
         if(index >= 0){
             this.nodes.splice(index, 1);
         }
     }
 
+    // @override
     getNodesAtCoords(x: number, y: number): Array<CanvasNode> {
         return this.qt.queryPoint(new Vec2(x, y));
     }
 
+    // @override
     getNodesInRegion(boundary: AABB): Array<CanvasNode> {
         let t0 = performance.now();
         let res = this.qt.queryRegion(boundary);
@@ -72,6 +87,7 @@ export default class SceneGraphQuadTree extends SceneGraph {
         this.qt.render_demo(ctx, origin, zoom);
     }
 
+    // @override
     getVisibleSet(): Array<CanvasNode> {
         let visibleSet = this.qt.queryRegion(this.viewport.getView());
 

src/SceneGraph/Viewport.ts

@@ -4,29 +4,37 @@ import CanvasNode from "../Nodes/CanvasNode";
 import MathUtils from "../Utils/MathUtils";
 import Queue from "../DataTypes/Queue";
 import AABB from "../DataTypes/Shapes/AABB";
-import Debug from "../Debug/Debug";
 import InputReceiver from "../Input/InputReceiver";
 import ParallaxLayer from "../Scene/Layers/ParallaxLayer";
 import UILayer from "../Scene/Layers/UILayer";
 
+/**
+ * The viewport of the game. Corresponds to the visible window displayed in the browser.
+ * The viewport keeps track of its position in the game world, and can act as a camera to follow objects.
+ */
 export default class Viewport {
+    /** The AABB that contains the position and size of the viewport view */
     private view: AABB;
-	private boundary: AABB;
+    /** The boundary for the viewport. This represents the limits to where the viewport can go */
+    private boundary: AABB;
+    /** The GameNode the Viewport is following */
     private following: GameNode;
+    /** The position the GameNode is focusing on. This is overridden if "following" is set. */
     private focus: Vec2;
 
-    /**
-     * A queue of previous positions of what this viewport is following. Used for smoothing viewport movement
-     */
+    /** A queue of previous positions of what this viewport is following. Used for smoothing viewport movement */
     private lastPositions: Queue<Vec2>;
 
-    /**
-     * The number of previous positions this viewport tracks
-     */
+    /** The number of previous positions this viewport tracks */
     private smoothingFactor: number;
 
+    /** A boolean tha represents whether the player can zoom by scrolling with the mouse wheel */
     private scrollZoomEnabled: boolean;
+
+    /** The amount that is zoomed in or out. */
     private ZOOM_FACTOR: number = 1.2;
+
+    /** The size of the canvas */
     private canvasSize: Vec2;
 
     constructor(){
@@ -39,24 +47,30 @@ export default class Viewport {
         this.focus = Vec2.ZERO;
     }
 
+    /** Enables the viewport to zoom in and out */
     enableZoom(): void {
         this.scrollZoomEnabled = true;
     }
 
     /**
-     * Returns the position of the viewport as a Vec2
+     * Returns the position of the viewport
+     * @returns The center of the viewport as a Vec2
      */
     getCenter(): Vec2 {
         return this.view.center;
     }
 
-    /** Returns a new Vec2 with the origin of the viewport */
+    /**
+     * Returns a new Vec2 with the origin of the viewport
+     * @returns The top left cornder of the Vieport as a Vec2
+     */
     getOrigin(): Vec2 {
         return new Vec2(this.view.left, this.view.top);
     }
 
     /**
      * Returns the region visible to this viewport
+     * @returns The AABB containing the region visible to the viewport
      */
     getView(): AABB {
         return this.view;
@@ -64,8 +78,8 @@ export default class Viewport {
 
     /**
      * Set the position of the viewport
-     * @param vecOrX 
-     * @param y 
+     * @param vecOrX The new position or the x-coordinate of the new position
+     * @param y The y-coordinate of the new position
      */
     setCenter(vecOrX: Vec2 | number, y: number = null): void {
         let pos: Vec2;
@@ -81,6 +95,7 @@ export default class Viewport {
 
     /**
      * Returns the size of the viewport as a Vec2
+     * @returns The half-size of the viewport as a Vec2
      */
     getHalfSize(): Vec2 {
         return this.view.getHalfSize();
@@ -88,8 +103,8 @@ export default class Viewport {
     
     /**
      * Sets the size of the viewport
-     * @param vecOrX 
-     * @param y 
+     * @param vecOrX The new width of the viewport or the new size as a Vec2
+     * @param y The new height of the viewport
      */
     setSize(vecOrX: Vec2 | number, y: number = null): void {
 		if(vecOrX instanceof Vec2){
@@ -99,6 +114,11 @@ export default class Viewport {
 		}
     }
 
+    /**
+     * Sets the half-size of the viewport
+     * @param vecOrX The new half-width of the viewport or the new half-size as a Vec2
+     * @param y The new height of the viewport
+     */
     setHalfSize(vecOrX: Vec2 | number, y: number = null): void {
 		if(vecOrX instanceof Vec2){
 			this.view.setHalfSize(vecOrX.clone());
@@ -108,9 +128,9 @@ export default class Viewport {
     }
 
     /**
-     * Sets the size of the canvas that the viewport is projecting to.
-     * @param vecOrX 
-     * @param y 
+     * Updates the viewport with the size of the current Canvas
+     * @param vecOrX The width of the canvas, or the canvas size as a Vec2
+     * @param y The height of the canvas
      */
     setCanvasSize(vecOrX: Vec2 | number, y: number = null): void {
 		if(vecOrX instanceof Vec2){
@@ -120,10 +140,18 @@ export default class Viewport {
 		}
     }
 
+    /**
+     * Sets the zoom level of the viewport
+     * @param zoom The zoom level
+     */
     setZoomLevel(zoom: number): void {
         this.view.halfSize.scale(1/zoom);
     }
 
+    /**
+     * Gets the zoom level of the viewport
+     * @returns The zoom level
+     */
     getZoomLevel(): number {
         return this.canvasSize.x/this.view.hw/2
     }
@@ -139,7 +167,7 @@ export default class Viewport {
 
     /**
      * Tells the viewport to focus on a point. Overidden by "following".
-     * @param focus 
+     * @param focus The point the  viewport should focus on
      */
     setFocus(focus: Vec2): void {
         this.focus.copy(focus);
@@ -147,7 +175,8 @@ export default class Viewport {
     
     /**
      * Returns true if the CanvasNode is inside of the viewport
-     * @param node 
+     * @param node The node to check
+     * @returns True if the node is currently visible in the viewport, false if not
      */
     includes(node: CanvasNode): boolean {
         let parallax = node.getLayer() instanceof ParallaxLayer || node.getLayer() instanceof UILayer ? (<ParallaxLayer>node.getLayer()).parallax : new Vec2(1, 1);
@@ -162,10 +191,10 @@ export default class Viewport {
     // TODO: This should probably be done automatically, or should consider the aspect ratio or something
     /**
      * Sets the bounds of the viewport
-     * @param lowerX 
-     * @param lowerY 
-     * @param upperX 
-     * @param upperY 
+     * @param lowerX The left edge of the viewport
+     * @param lowerY The top edge of the viewport
+     * @param upperX The right edge of the viewport
+     * @param upperY The bottom edge of the viewport
      */
     setBounds(lowerX: number, lowerY: number, upperX: number, upperY: number): void {
         let hwidth = (upperX - lowerX)/2;

src/Sound/AudioManager.ts

@@ -3,9 +3,18 @@ import Receiver from "../Events/Receiver";
 import ResourceManager from "../ResourceManager/ResourceManager";
 import { GameEventType } from "../Events/GameEventType";
 
+/**
+ * Manages any sounds or music needed for the game.
+ * Through the EventQueue, exposes interface to play sounds so GameNodes can activate sounds without
+ * needing direct references to the audio system
+ */
 export default class AudioManager {
     private static instance: AudioManager;
+
+    /** The event receiver of this AudioManager */
     private receiver: Receiver;
+
+    /** A Map of the names of currently playing (or paused) sounds to their AudioBuffers */
     private currentSounds: Map<AudioBufferSourceNode>;
 
     private audioCtx: AudioContext;
@@ -19,6 +28,7 @@ export default class AudioManager {
 
     /**
      * Get the instance of the AudioManager class or create a new one if none exists
+     * @returns The AudioManager
      */
     public static getInstance(): AudioManager {
         if(!this.instance){
@@ -42,15 +52,12 @@ export default class AudioManager {
 
     /**
      * Returns the current audio context
+     * @returns The AudioContext
      */
     public getAudioContext(): AudioContext {
         return this.audioCtx;
     }
 
-    /**
-     * Creates a new sound from the key of a loaded audio file
-     * @param key The key of the loaded audio file to create a new sound for
-     */
     /*
         According to the MDN, create a new sound for every call:
 
@@ -61,6 +68,11 @@ export default class AudioManager {
         hold a reference to it. It will automatically be garbage-collected at an appropriate time, which won't be
         until sometime after the sound has finished playing.
     */
+    /**
+     * Creates a new sound from the key of a loaded audio file
+     * @param key The key of the loaded audio file to create a new sound for
+     * @returns The newly created AudioBuffer
+     */
     protected createSound(key: string): AudioBufferSourceNode {
         // Get audio buffer
         let buffer = ResourceManager.getInstance().getAudio(key);
@@ -108,11 +120,7 @@ export default class AudioManager {
             this.currentSounds.delete(key);
         }
     }
-      
-    /**
-     * Updates the AudioManager
-     * @param deltaT 
-     */
+    
     update(deltaT: number): void {
         // Play each audio clip requested
         // TODO - Add logic to merge sounds if there are multiple of the same key

src/Utils/ArrayUtils.ts

@@ -1,8 +1,10 @@
+/** A class containing some utility functions for Arrays */
 export default class ArrayUtils {
     /**
      * Returns a 2d array of dim1 x dim2 filled with 1s
-     * @param dim1 
-     * @param dim2 
+     * @param dim1 The first dimension of the array to create
+     * @param dim2 The second dimension of the array to create
+     * @returns A dim1 x dim2 Array filled with 1s
      */
     static ones2d(dim1: number, dim2: number): number[][] {
         let arr = new Array<Array<number>>(dim1);
@@ -18,6 +20,13 @@ export default class ArrayUtils {
         return arr;
     }
 
+    /**
+     * Returns a 2d array of dim1 x dim2 filled with true or false
+     * @param dim1 The first dimension of the array to create
+     * @param dim2 The second dimension of the array to create
+     * @param flag The boolean to fill the array with
+     * @returns A dim1 x dim2 Array filled with flag
+     */
     static bool2d(dim1: number, dim2: number, flag: boolean): boolean[][] {
         let arr = new Array<Array<boolean>>(dim1);
 

src/Utils/Color.ts

@@ -1,12 +1,26 @@
 import MathUtils from "./MathUtils";
 
 // TODO: This should be moved to the datatypes folder
+/**
+ * A Color util class that keeps track of colors like a vector, but can be converted into a string format
+ */
 export default class Color {
+	/** The red value */
 	public r: number;
+	/** The green value */
 	public g: number;
+	/** The blue value */
 	public b: number;
+	/** The alpha value */
 	public a: number;
 
+	/**
+	 * Creates a new color
+	 * @param r Red
+	 * @param g Green
+	 * @param b Blue
+	 * @param a Alpha
+	 */
 	constructor(r: number = 0, g: number = 0, b: number = 0, a: number = 1){
         this.r = r;
         this.g = g;
@@ -14,45 +28,93 @@ export default class Color {
         this.a = a;
 	}
 
+	/**	
+	 * Transparent color
+	 * @returns rgba(0, 0, 0, 0)
+	 */
 	static get TRANSPARENT(): Color {
 		return new Color(0, 0, 0, 0);
 	}
 	
+	/**	
+	 * Red color
+	 * @returns rgb(255, 0, 0)
+	 */
 	static get RED(): Color {
 		return new Color(255, 0, 0, 1);
 	}
 
+	/**	
+	 * Green color
+	 * @returns rgb(0, 255, 0)
+	 */
 	static get GREEN(): Color {
 		return new Color(0, 255, 0, 1);
 	}
 
+	/**	
+	 * Blue color
+	 * @returns rgb(0, 0, 255)
+	 */
 	static get BLUE(): Color {
 		return new Color(0, 0, 255, 1);
 	}
 
+	/**	
+	 * Yellow color
+	 * @returns rgb(255, 255, 0)
+	 */
 	static get YELLOW(): Color {
 		return new Color(255, 255, 0, 1);
 	}
 
+	/**	
+	 * Purple color
+	 * @returns rgb(255, 0, 255)
+	 */
 	static get PURPLE(): Color {
 		return new Color(255, 0, 255, 1);
 	}
+
+	/**	
+	 * Cyan color
+	 * @returns rgb(0, 255, 255)
+	 */
 	static get CYAN(): Color {
 		return new Color(0, 255, 255, 1);
 	}
 
+	/**	
+	 * White color
+	 * @returns rgb(255, 255, 255)
+	 */
 	static get WHITE(): Color {
 		return new Color(255, 255, 255, 1);
 	} 
 
+	/**	
+	 * Black color
+	 * @returns rgb(0, 0, 0)
+	 */
 	static get BLACK(): Color {
 		return new Color(0, 0, 0, 1);
 	}
 
+	/**	
+	 * Orange color
+	 * @returns rgb(255, 100, 0)
+	 */
 	static get ORANGE(): Color {
 		return new Color(255, 100, 0, 1);
 	}
 
+	/**
+	 * Sets the color to the values provided
+	 * @param r Red
+	 * @param g Green
+	 * @param b Blue
+	 * @param a Alpha
+	 */
 	set(r: number, g: number, b: number, a: number = 1): void {
 		this.r = r;
 		this.g = g;
@@ -62,6 +124,7 @@ export default class Color {
 
 	/**
 	 * Returns a new color slightly lighter than the current color
+	 * @returns A new lighter Color
 	 */
 	lighten(): Color {
 		return new Color(MathUtils.clamp(this.r + 40, 0, 255), MathUtils.clamp(this.g + 40, 0, 255), MathUtils.clamp(this.b + 40, 0, 255), this.a);
@@ -69,6 +132,7 @@ export default class Color {
 
 	/**
 	 * Returns a new color slightly darker than the current color
+	 * @returns A new darker Color
 	 */
 	darken(): Color {
 		return new Color(MathUtils.clamp(this.r - 40, 0, 255), MathUtils.clamp(this.g - 40, 0, 255), MathUtils.clamp(this.b - 40, 0, 255), this.a);
@@ -76,6 +140,7 @@ export default class Color {
 	
 	/**
 	 * Returns the color as a string of the form #RRGGBB
+	 * @returns #RRGGBB
 	 */
 	toString(): string {
 		return "#" + MathUtils.toHex(this.r, 2) + MathUtils.toHex(this.g, 2) + MathUtils.toHex(this.b, 2);
@@ -83,6 +148,7 @@ export default class Color {
 
 	/**
 	 * Returns the color as a string of the form rgb(r, g, b)
+	 * @returns rgb(r, g, b)
 	 */
 	toStringRGB(): string {
 		return "rgb(" + this.r.toString() + ", " + this.g.toString() + ", " + this.b.toString() + ")";
@@ -90,6 +156,7 @@ export default class Color {
 
 	/**
 	 * Returns the color as a string of the form rgba(r, g, b, a)
+	 * @returns rgba(r, g, b, a)
 	 */
 	toStringRGBA(): string {
 		if(this.a === 0){

src/Utils/EaseFunctions.ts

@@ -1,3 +1,5 @@
+// @ignorePage
+
 export default class EaseFunctions {
 
     static easeInOutSine(x: number): number {

src/Utils/GraphUtils.ts

@@ -1,7 +1,15 @@
-import Graph, { EdgeNode } from "../DataTypes/Graphs/Graph";
+import Graph from "../DataTypes/Graphs/Graph";
+import EdgeNode from "../DataTypes/Graphs/EdgeNode";
 
+/** A class to provides some utility functions for graphs */
 export default class GraphUtils {
 
+	/**
+	 * An implementation of Djikstra's shortest path algorithm based on the one described in The Algorithm Design Manual.
+	 * @param g The graph
+	 * @param start The number to start the shortest path from
+	 * @returns An array containing the parent of each node of the Graph in the shortest path.
+	 */
 	static djikstra(g: Graph, start: number): Array<number> {
 		let i: number;		// Counter
 		let p: EdgeNode;	// Pointer to edgenode

src/Utils/MathUtils.ts

@@ -1,9 +1,11 @@
 import Vec2 from "../DataTypes/Vec2";
 
+/** A class containing some utility functions for math operations */
 export default class MathUtils {
     /**
      * Returns the sign of the value provided
      * @param x The value to extract the sign from
+     * @returns -1 if the number is less than 0, 1 otherwise
      */
     static sign(x: number): number {
         return x < 0 ? -1 : 1;
@@ -14,6 +16,7 @@ export default class MathUtils {
      * @param x The value to be clamped
      * @param min The min of the range
      * @param max The max of the range
+     * @returns x, if it is between min and max, or min/max if it exceeds their bounds
      */
     static clamp(x: number, min: number, max: number): number {
         if(x < min) return min;
@@ -24,6 +27,7 @@ export default class MathUtils {
     /**
      * Clamps the value x to the range between 0 and 1
      * @param x The value to be clamped
+     * @returns x, if it is between 0 and 1, or 0/1 if it exceeds their bounds
      */
     static clamp01(x: number): number {
         return MathUtils.clamp(x, 0, 1);
@@ -42,11 +46,19 @@ export default class MathUtils {
 	 * @param a The first value for the interpolation bound
 	 * @param b The second value for the interpolation bound
 	 * @param t The time we are interpolating to
+     * @returns The value between a and b at time t
 	 */
 	static lerp(a: number, b: number, t: number): number {
         return a + t * (b - a);
     }
 
+    /**
+     * Inverse Linear Interpolation. Finds the time at which a value between a and b would occur
+     * @param a The first value for the interpolation bound
+     * @param b The second value for the interpolation bound
+     * @param value The current value
+     * @returns The time at which the current value occurs between a and b
+     */
     static invLerp(a: number, b: number, value: number){
         return (value - a)/(b - a);
     }
@@ -55,6 +67,7 @@ export default class MathUtils {
      * Cuts off decimal points of a number after a specified place
      * @param num The number to floor
      * @param place The last decimal place of the new number
+     * @returns The floored number
      */
     static floorToPlace(num: number, place: number): number {
         if(place === 0){
@@ -75,6 +88,7 @@ export default class MathUtils {
      * Returns the number as a hexadecimal
      * @param num The number to convert to hex
      * @param minLength The length of the returned hex string (adds zero padding if needed)
+     * @returns The hex representation of the number as a string
      */
     static toHex(num: number, minLength: number = null): string {
         let factor = 1;
@@ -99,8 +113,9 @@ export default class MathUtils {
     }
 
     /**
-     * Converts the number to hexadecimal
-     * @param num The number to convert to hexadecimal
+     * Converts a digit to hexadecimal. In this case, a digit is between 0 and 15 inclusive
+     * @param num The digit to convert to hexadecimal
+     * @returns The hex representation of the digit as a string
      */
     static toHexDigit(num: number): string {
         if(num < 10){

src/Utils/PhysicsUtils.ts

@@ -1,7 +0,0 @@
-import { Physical } from "../DataTypes/Interfaces/Descriptors";
-
-export default class PhysicsUtils {
-	static sweepAndPrune(nodes: Array<Physical>){
-		// Sort 
-	}
-}

src/Utils/Rand/Perlin.ts

@@ -15,6 +15,9 @@ const permutation = [ 151,160,137,91,90,15,
 	138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180
 ];
 
+/**
+ * A noise generator
+ */
 export default class Perlin {
 
     private p: Int16Array;
@@ -30,11 +33,12 @@ export default class Perlin {
 
     /**
      * Returns a random perlin noise value
-     * @param x 
-     * @param y 
-     * @param z 
+     * @param x An input value
+     * @param y An input value
+     * @param z An input value
+	 * @returns A noise value
      */
-	perlin(x: number, y: number, z: number = 0){
+	perlin(x: number, y: number, z: number = 0): number {
 		if(this.repeat > 0) {
 			x = x%this.repeat;
 			y = y%this.repeat;

src/Utils/RandUtils.ts

@@ -10,11 +10,13 @@ class Noise {
     }
 }
 
+/** A class that has some random generator utils */
 export default class RandUtils {
     /**
      * Generates a random integer in the specified range
      * @param min The min of the range (inclusive)
      * @param max The max of the range (exclusive)
+     * @returns A random int in the range [min, max)
      */
 	static randInt(min: number, max: number): number {
         return Math.floor(Math.random()*(max - min) + min);
@@ -24,6 +26,7 @@ export default class RandUtils {
      * Generates a random hexadecimal number in the specified range
      * @param min The min of the range (inclusive)
      * @param max The max of the range (exclusive)
+     * @returns a random hex number in the range [min, max) as a string
      */
     static randHex(min: number, max: number): string {
         return MathUtils.toHex(RandUtils.randInt(min, max));
@@ -31,6 +34,7 @@ export default class RandUtils {
 
     /**
      * Generates a random color
+     * @returns A random Color
      */
 	static randColor(): Color {
         let r = RandUtils.randInt(0, 256);
@@ -39,6 +43,7 @@ export default class RandUtils {
         return new Color(r, g, b);
     }
 
+    /** A noise generator */
     static noise: Noise = new Noise();
 
 }

src/Utils/SortingUtils.ts

@@ -1,7 +1,14 @@
+/** Some utility functions for sorting arrays */
 export default class SortingUtils {
 	/**
-	 * 
-	 * @param arr 
+	 * An implementation of insertion sort.
+	 * In game engines, this is particularly useful to sort node positions because of temporal coherence - 
+	 * the idea that nodes are almost in the same place as last frame, and thus, in a frame-to-frame comparison,
+	 * nodes essentially do not change position.
+	 * This means we have a nearly sorted array of nodes if we keep track of this,
+	 * so something like insertion sort actually becomes essentailly O(n),
+	 * as it performs very well on nearly sorted arrays.
+	 * @param arr The array to sort in place
 	 * @param comparator Compares element a and b in the array. Returns -1 if a < b, 0 if a = b, and 1 if a > b
 	 */
 	static insertionSort<T>(arr: Array<T>, comparator: (a: T, b: T) => number): void {
@@ -16,7 +23,13 @@ export default class SortingUtils {
 		}
 	}
 
-	static swap<T>(arr: Array<T>, i: number, j: number){
+	/**
+	 * Swaps two elements in the provided array
+	 * @param arr The array to perform the swap on in place
+	 * @param i The first index
+	 * @param j The second index
+	 */
+	static swap<T>(arr: Array<T>, i: number, j: number): void {
 		let temp = arr[i];
 		arr[i] = arr[j];
 		arr[j] = temp;

src/Utils/StringUtils.ts

@@ -1,7 +1,9 @@
+/** Some utility functions for dealing with strings */
 export default class StringUtils {
     /**
      * Extracts the path from a filepath that includes the file
-     * @param filePath the filepath to extract the path form
+     * @param filePath the filepath to extract the path from
+     * @returns The path portion of the filepath provided
      */
     static getPathFromFilePath(filePath: string): string {
         let splitPath = filePath.split("/");