improved ui elements
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91fcfd0a0d
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@ -21,7 +21,8 @@ export default class InputReceiver{
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this.receiver = new Receiver();
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this.keyJustPressed = new Map<boolean>();
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this.keyPressed = new Map<boolean>();
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this.mousePressPosition = null;
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this.mousePosition = new Vec2(0, 0);
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this.mousePressPosition = new Vec2(0, 0);
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this.eventQueue = EventQueue.getInstance();
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this.eventQueue.subscribe(this.receiver, ["mouse_down", "mouse_up", "mouse_move", "key_down", "key_up", "canvas_blur"]);
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@ -9,12 +9,22 @@ export default class UIElement extends CanvasNode{
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borderColor: Color;
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text: string;
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font: string;
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fontSize: number;
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hAlign: string;
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vAlign: string;
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// EventAttributes
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onClick: Function;
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onClickEventId: string;
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onHover: Function;
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onHoverEventId: string;
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onRelease: Function;
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onReleaseEventId: string;
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onEnter: Function;
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onEnterEventId: string;
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onLeave: Function;
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onLeaveEventId: string;
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protected isClicked: boolean;
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protected isEntered: boolean;
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constructor(){
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super();
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@ -22,13 +32,23 @@ export default class UIElement extends CanvasNode{
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this.backgroundColor = new Color(0, 0, 0, 0);
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this.borderColor = new Color(0, 0, 0, 0);
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this.text = "";
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this.font = "30px Arial";
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this.font = "Arial";
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this.fontSize = 30;
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this.hAlign = "center";
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this.vAlign = "center";
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this.onClick = null;
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this.onClickEventId = null;
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this.onRelease = null;
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this.onReleaseEventId = null;
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this.onHover = null;
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this.onHoverEventId = null;
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this.onEnter = null;
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this.onEnterEventId = null;
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this.onLeave = null;
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this.onLeaveEventId = null;
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this.isClicked = false;
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this.isEntered = false;
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}
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setPosition(vecOrX: Vec2 | number, y: number = null): void {
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@ -61,14 +81,9 @@ export default class UIElement extends CanvasNode{
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update(deltaT: number): void {
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if(this.input.isMouseJustPressed()){
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let mousePos = this.input.getMousePressPosition();
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if(mousePos.x >= this.position.x && mousePos.x <= this.position.x + this.size.x){
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// Inside x bounds
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if(mousePos.y >= this.position.y && mousePos.y <= this.position.y + this.size.y){
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// Inside element
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if(this.onHover !== null){
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this.onHover();
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}
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let clickPos = this.input.getMousePressPosition();
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if(this.contains(clickPos.x, clickPos.y)){
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this.isClicked = true;
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if(this.onClick !== null){
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this.onClick();
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@ -79,14 +94,83 @@ export default class UIElement extends CanvasNode{
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}
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}
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}
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if(!this.input.isMousePressed()){
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if(this.isClicked){
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this.isClicked = false;
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}
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}
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render(ctx: CanvasRenderingContext2D, viewportOrigin: Vec2, viewportSize: Vec2){
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ctx.fillStyle = this.backgroundColor.toStringRGBA();
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let mousePos = this.input.getMousePosition();
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if(mousePos && this.contains(mousePos.x, mousePos.y)){
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this.isEntered = true;
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if(this.onEnter !== null){
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this.onEnter();
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}
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if(this.onEnterEventId !== null){
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let data = {};
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this.emit(this.onEnterEventId, data);
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}
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} else if(this.isEntered) {
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this.isEntered = false;
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if(this.onLeave !== null){
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this.onLeave();
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}
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if(this.onLeaveEventId !== null){
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let data = {};
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this.emit(this.onLeaveEventId, data);
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}
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} else if(this.isClicked) {
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// If mouse is dragged off of element while down, it is not clicked anymore
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this.isClicked = false;
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}
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}
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protected calculateOffset(ctx: CanvasRenderingContext2D): Vec2 {
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let textWidth = ctx.measureText(this.text).width;
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let offset = new Vec2(0, 0);
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let hDiff = this.size.x - textWidth;
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if(this.hAlign === "center"){
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offset.x = hDiff/2;
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} else if (this.hAlign === "right"){
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offset.x = hDiff;
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}
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if(this.vAlign === "top"){
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ctx.textBaseline = "top";
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offset.y = 0;
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} else if (this.vAlign === "bottom"){
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ctx.textBaseline = "bottom";
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offset.y = this.size.y;
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} else {
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ctx.textBaseline = "middle";
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offset.y = this.size.y/2;
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}
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return offset;
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}
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protected calculateBackgroundColor(): string {
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return this.backgroundColor.toStringRGBA();
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}
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protected calculateTextColor(): string {
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return this.textColor.toStringRGBA();
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}
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render(ctx: CanvasRenderingContext2D, viewportOrigin: Vec2, viewportSize: Vec2): void {
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ctx.font = this.fontSize + "px " + this.font;
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let offset = this.calculateOffset(ctx);
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ctx.fillStyle = this.calculateBackgroundColor();
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ctx.fillRect(this.position.x - viewportOrigin.x, this.position.y - viewportOrigin.y, this.size.x, this.size.y);
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ctx.fillStyle = this.textColor.toStringRGBA();
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ctx.font = this.font;
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ctx.fillText(this.text, this.position.x - viewportOrigin.x, this.position.y - viewportOrigin.y + 30);
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ctx.fillStyle = this.calculateTextColor();
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ctx.fillText(this.text, this.position.x + offset.x - viewportOrigin.x, this.position.y + offset.y - viewportOrigin.y);
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}
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}
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23
src/Nodes/UIElements/Button.ts
Normal file
23
src/Nodes/UIElements/Button.ts
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@ -0,0 +1,23 @@
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import UIElement from "../UIElement";
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import Color from "../../Utils/Color";
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import Vec2 from "../../DataTypes/Vec2";
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export default class Button extends UIElement{
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constructor(){
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super();
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this.backgroundColor = new Color(150, 75, 203);
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this.borderColor = new Color(41, 46, 30);
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this.textColor = new Color(255, 255, 255);
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}
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protected calculateBackgroundColor(): string {
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if(this.isEntered && !this.isClicked){
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return this.backgroundColor.lighten().toStringRGBA();
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} else if(this.isClicked){
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return this.backgroundColor.darken().toStringRGBA();
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} else {
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return this.backgroundColor.toStringRGBA();
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}
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}
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}
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8
src/Nodes/UIElements/Label.ts
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8
src/Nodes/UIElements/Label.ts
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@ -0,0 +1,8 @@
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import UIElement from "../UIElement";
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export default class Label extends UIElement{
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constructor(text: string){
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super();
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this.text = text;
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}
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}
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@ -13,18 +13,26 @@ export default class Color{
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this.a = a;
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}
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toString(): string{
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lighten(): Color {
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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);
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}
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darken(): Color {
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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);
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}
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toString(): string {
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return "#" + MathUtils.toHex(this.r, 2) + MathUtils.toHex(this.g, 2) + MathUtils.toHex(this.b, 2);
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}
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toStringRGB(){
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toStringRGB(): string {
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return "rgb(" + this.r.toString() + ", " + this.g.toString() + ", " + this.b.toString() + ")";
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}
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toStringRGBA(){
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toStringRGBA(): string {
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if(this.a === null){
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throw "No alpha value assigned to color";
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return this.toStringRGB();
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}
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return "rgb(" + this.r.toString() + ", " + this.g.toString() + ", " + this.b.toString() + ", " + this.a.toString() +")"
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return "rgba(" + this.r.toString() + ", " + this.g.toString() + ", " + this.b.toString() + ", " + this.a.toString() +")"
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}
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}
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19
src/main.ts
19
src/main.ts
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@ -4,6 +4,7 @@ import Player from "./Nodes/Player";
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import UIElement from "./Nodes/UIElement";
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import ColoredCircle from "./Nodes/ColoredCircle";
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import Color from "./Utils/Color";
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import Button from "./Nodes/UIElements/Button";
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function main(){
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// Create the game object
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// Initialize GameObjects
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let player = new Player();
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let recordButton = new UIElement();
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let recordButton = new Button();
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recordButton.setSize(100, 50);
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recordButton.setText("Record");
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recordButton.setBackgroundColor(new Color(200, 100, 0, 0.3));
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recordButton.setPosition(400, 30);
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recordButton.onClickEventId = "record_button_press";
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let stopButton = new UIElement();
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let stopButton = new Button();
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stopButton.setSize(100, 50);
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stopButton.setText("Stop");
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stopButton.setBackgroundColor(new Color(200, 0, 0, 0.3));
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stopButton.setPosition(550, 30);
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stopButton.onClickEventId = "stop_button_press";
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let playButton = new UIElement();
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let playButton = new Button();
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playButton.setSize(100, 50);
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playButton.setText("Play");
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playButton.setBackgroundColor(new Color(0, 200, 0, 0.3));
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playButton.setPosition(700, 30);
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playButton.onClickEventId = "play_button_press";
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let cycleFramerateButton = new UIElement();
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let cycleFramerateButton = new Button();
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cycleFramerateButton.setSize(150, 50);
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cycleFramerateButton.setText("Cycle FPS");
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cycleFramerateButton.setBackgroundColor(new Color(200, 0, 200, 0.3));
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cycleFramerateButton.setPosition(5, 400);
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let i = 0;
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let fps = [15, 30, 60];
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@ -48,10 +45,9 @@ function main(){
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i = (i + 1) % 3;
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}
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let pauseButton = new UIElement();
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let pauseButton = new Button();
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pauseButton.setSize(100, 50);
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pauseButton.setText("Pause");
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pauseButton.setBackgroundColor(new Color(200, 0, 200, 1));
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pauseButton.setPosition(700, 400);
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pauseButton.onClick = () => {
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game.getGameState().addScene(pauseMenu);
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modalBackground.setBackgroundColor(new Color(0, 0, 0, 0.4));
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modalBackground.setPosition(200, 100);
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let resumeButton = new UIElement();
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let resumeButton = new Button();
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resumeButton.setSize(100, 50);
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resumeButton.setText("Resume");
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resumeButton.setBackgroundColor(new Color(200, 0, 200, 1));
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resumeButton.setPosition(400, 200);
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resumeButton.onClick = () => {
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game.getGameState().removeScene();
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