added basic collisions

src/DataTypes/Tilesets/TiledData.ts

@@ -1,6 +1,8 @@
 export class TiledTilemapData {
     height: number;
     width: number;
+    tileheight: number;
+    tilewidth: number;
     orientation: string;
     layers: TiledLayerData[];
     tilesets: TiledTilesetData[];

src/GameState/Factories/TilemapFactory.ts

@@ -4,6 +4,8 @@ import Tilemap from "../../Nodes/Tilemap"
 import ResourceManager from "../../ResourceManager/ResourceManager";
 import { TiledTilemapData } from "../../DataTypes/Tilesets/TiledData";
 import StringUtils from "../../Utils/StringUtils";
+import StaticBody from "../../Physics/StaticBody";
+import Vec2 from "../../DataTypes/Vec2";
 
 export default class TilemapFactory {
     private scene: Scene;
@@ -25,6 +27,17 @@ export default class TilemapFactory {
                 // Add to scene
                 this.scene.addTilemap(tilemap);
 
+                let worldSize = tilemap.getWorldSize();
+                let tileSize = tilemap.getTileSize();
+
+                tilemap.forEachTile((tileIndex: number, i: number) => {
+                    if(tileIndex !== 0){
+                        let x = (i % worldSize.x) * tileSize.x * 4;
+                        let y = Math.floor(i / worldSize.y) * tileSize.y * 4;
+                        this.scene.physics.add(StaticBody, new Vec2(x, y), new Vec2(tileSize.x * 4, tileSize.y * 4));
+                    }
+                });
+
                 // Load images for the tilesets
                 tilemap.getTilesets().forEach(tileset => {
                     let imagePath = StringUtils.getPathFromFilePath(path) + tileset.getImageUrl();

src/Nodes/Tilemap.ts

@@ -10,11 +10,13 @@ export default abstract class Tilemap extends GameNode {
     protected data: number[];
     protected tilesets: Tileset[];
     protected worldSize: Vec2;
+    protected tileSize: Vec2;
 
     constructor(tilemapData: TiledTilemapData, layerData: TiledLayerData){
         super();
         this.tilesets = new Array<Tileset>();
         this.worldSize = new Vec2(0, 0);
+        this.tileSize = new Vec2(0, 0);
         this.parseTilemapData(tilemapData, layerData);
     }
 
@@ -22,6 +24,14 @@ export default abstract class Tilemap extends GameNode {
         return this.tilesets;
     }
 
+    getWorldSize(): Vec2 {
+        return this.worldSize;
+    }
+
+    getTileSize(): Vec2 {
+        return this.tileSize;
+    }
+
     isReady(): boolean {
         if(this.tilesets.length !== 0){
             for(let tileset of this.tilesets){
@@ -33,6 +43,8 @@ export default abstract class Tilemap extends GameNode {
         return true;
     }
 
+    abstract forEachTile(func: Function): void;
+
     /**
      * Sets up the tileset using the data loaded from file
      */

src/Nodes/Tilemaps/OrthogonalTilemap.ts

@@ -7,10 +7,17 @@ import Tileset from "../../DataTypes/Tilesets/Tileset";
 export default class OrthogonalTilemap extends Tilemap {
     parseTilemapData(tilemapData: TiledTilemapData, layer: TiledLayerData): void {
         this.worldSize.set(tilemapData.width, tilemapData.height);
+        this.tileSize.set(tilemapData.tilewidth, tilemapData.tileheight);
         this.data = layer.data;
         tilemapData.tilesets.forEach(tilesetData => this.tilesets.push(new Tileset(tilesetData)));
     }
 
+    forEachTile(func: Function){
+        for(let i = 0; i < this.data.length; i++){
+            func(this.data[i], i);
+        }
+    }
+
     update(deltaT: number): void {}
 
     render(ctx: CanvasRenderingContext2D, origin: Vec2, viewportSize: Vec2) {

src/Physics/PhysicsManager.ts

@@ -1,5 +1,7 @@
 import PhysicsNode from "./PhysicsNode";
 import Vec2 from "../DataTypes/Vec2";
+import StaticBody from "./StaticBody";
+import Debug from "../Debug/Debug";
 
 export default class PhysicsManager {
 
@@ -47,11 +49,8 @@ export default class PhysicsManager {
                 }
             }
 
-
             for(let staticNode of staticSet){
-                if(movingNode.getCollider().willCollideWith(staticNode.getCollider(), velocity, new Vec2(0, 0))){
-                    this.handleCollision(movingNode, staticNode, velocity);
-                }
+                this.handleCollision(movingNode, staticNode, velocity, (<StaticBody>staticNode).id);
             }
 
             movingNode.finishMove(velocity);
@@ -61,20 +60,94 @@ export default class PhysicsManager {
         this.movements = new Array();
     }
 
-    handleCollision(movingNode: PhysicsNode, staticNode: PhysicsNode, velocity: Vec2){
-        let ASize = movingNode.getCollider().getSize();
-        let A = new Vec2(movingNode.getPosition().x + ASize.x, movingNode.getPosition().y + ASize.y);
-        let BSize = staticNode.getCollider().getSize();
-        let B = new Vec2(staticNode.getPosition().x + BSize.x, staticNode.getPosition().y + BSize.y);
+    handleCollision(movingNode: PhysicsNode, staticNode: PhysicsNode, velocity: Vec2, id: String){
+        let sizeA = movingNode.getCollider().getSize();
+        let A = movingNode.getPosition();
+        let velA = velocity;
+        let sizeB = staticNode.getCollider().getSize();
+        let B = staticNode.getPosition();
+        let velB = new Vec2(0, 0);
         
         let firstContact = new Vec2(0, 0);
-        firstContact.x = (B.x-(BSize.x/2) - (A.x + (ASize.x/2)))/(velocity.x - 0);
-        firstContact.y = (B.y-(BSize.y/2) - (A.y + (ASize.y/2)))/(velocity.y - 0);
+        let lastContact = new Vec2(0, 0);
 
-        if(firstContact.x < 1 || firstContact.y < 1){
-            // We collided
-            let firstCollisionTime = Math.min(firstContact.x, firstContact.y);
-            velocity.scale(firstCollisionTime);
+        let collidingX = false;
+        let collidingY = false;
+
+        // Sort by position
+        if(B.x < A.x){
+            // Swap, because B is to the left of A
+            let temp: Vec2;
+            temp = sizeA;
+            sizeA = sizeB;
+            sizeB = temp;
+
+            temp = A;
+            A = B;
+            B = temp;
+
+            temp = velA;
+            velA = velB;
+            velB = temp;
+        }
+
+        // A is left, B is right
+        firstContact.x = Infinity;
+        lastContact.x = Infinity;
+
+        if (B.x >= A.x + sizeA.x){
+            // If we aren't currently colliding
+            let relVel = velA.x - velB.x;
+            
+            if(relVel > 0){
+                // If they are moving towards each other
+                firstContact.x = (B.x - (A.x + (sizeA.x)))/(relVel);
+                lastContact.x = ((B.x + sizeB.x) - A.x)/(relVel);
+            }
+        } else {
+            collidingX = true;
+        }
+
+        if(B.y < A.y){
+            // Swap, because B is above A
+            let temp: Vec2;
+            temp = sizeA;
+            sizeA = sizeB;
+            sizeB = temp;
+
+            temp = A;
+            A = B;
+            B = temp;
+
+            temp = velA;
+            velA = velB;
+            velB = temp;
+        }
+
+        // A is top, B is bottom
+        firstContact.y = Infinity;
+        lastContact.y = Infinity;
+
+        if (B.y >= A.y + sizeA.y){
+            // If we aren't currently colliding
+            let relVel = velA.y - velB.y;
+            
+            if(relVel > 0){
+                // If they are moving towards each other
+                firstContact.y = (B.y - (A.y + (sizeA.y)))/(relVel);
+                lastContact.y = ((B.y + sizeB.y) - A.y)/(relVel);
+            }
+        } else {
+            collidingY = true;
+        }
+
+        if( (firstContact.x < 1 || collidingX) && (firstContact.y < 1 || collidingY)){
+            if(collidingX && collidingY){
+                // If we're already intersecting, freak out I guess?
+            } else {
+                let contactTime = Math.min(firstContact.x, firstContact.y);
+                velocity.scale(contactTime);
+            }
         }
     }
 }

src/Physics/PhysicsNode.ts

@@ -35,6 +35,7 @@ export default abstract class PhysicsNode extends GameNode {
 
     finishMove(velocity: Vec2): void {
         this.position.add(velocity);
+        this.collider.getPosition().add(velocity);
         for(let child of this.children){
             child.getPosition().add(velocity);
         }

src/Physics/StaticBody.ts

@@ -0,0 +1,24 @@
+import PhysicsNode from "./PhysicsNode";
+import Vec2 from "../DataTypes/Vec2";
+import AABB from "./Colliders/AABB";
+
+export default class StaticBody extends PhysicsNode {
+
+    id: string;
+    static numCreated: number = 0;
+
+    constructor(position: Vec2, size: Vec2){
+        super();
+        this.setPosition(position.x, position.y);
+        this.collider = new AABB();
+        this.collider.setPosition(position.x, position.y);
+        this.collider.setSize(new Vec2(size.x, size.y));
+        this.id = StaticBody.numCreated.toString();
+        StaticBody.numCreated += 1;
+    }
+    
+    create(): void {}
+
+    update(deltaT: number): void {}
+
+}

src/Player.ts

@@ -8,13 +8,15 @@ export default class Player extends PhysicsNode {
 	velocity: Vec2;
 	speed: number;
     debug: Debug;
+    size: Vec2;
 
     constructor(){
         super();
         this.velocity = new Vec2(0, 0);
         this.speed = 300;
+        this.size = new Vec2(50, 50);
         this.collider = new AABB();
-        this.collider.setSize(new Vec2(50, 50));
+        this.collider.setSize(this.size);
         this.position = new Vec2(0, 0);
 		this.debug = Debug.getInstance();
     }
@@ -22,7 +24,7 @@ export default class Player extends PhysicsNode {
     create(): void {
         let sprite = this.scene.canvasNode.add(PlayerSprite);
         sprite.setPosition(this.position);
-        sprite.setSize(50, 50);
+        sprite.setSize(this.size);
         this.children.push(sprite);
     }
 
@@ -38,7 +40,7 @@ export default class Player extends PhysicsNode {
         this.velocity = dir.scale(this.speed);
 		this.move(this.velocity.scale(deltaT));
 
-		this.debug.log("player", "Player Pos: " + this.position.toFixed());
+		this.debug.log("player", "Player Pos: " + this.position.toFixed() + " " + this.velocity.toFixed());
     }
 
 }

src/main.ts

@@ -78,7 +78,7 @@ function main(){
         pauseMenu.disable();
     }
 
-    mainScene.tilemap.add(OrthogonalTilemap, "assets/tilemaps/MultiLayer.json");
+    mainScene.tilemap.add(OrthogonalTilemap, "assets/tilemaps/SmallTest.json");
 
     for(let i = 0; i < 30; i++){
         let cc = foregroundLayer.canvasNode.add(ColoredCircle);