game: moving paddle :)
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c2317d5404
commit
12056554fc
@ -3,6 +3,7 @@ import AbstractView from './AbstractView.js'
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export default class extends AbstractView {
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constructor(params) {
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super(params, 'Game');
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this.game = null;
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}
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async getHtml() {
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@ -17,6 +18,7 @@ export default class extends AbstractView {
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}
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startGame() {
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if (this.game == null)
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this.game = new Game;
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}
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}
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@ -29,10 +31,15 @@ class Game {
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this.canvas.style.border = '1px solid #d3d3d3';
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this.canvas.style.backgroundColor = '#f1f1f1';
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this.context = this.canvas.getContext('2d');
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this.paddle = new Paddle(this.context);
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document.getElementById('app').appendChild(this.canvas);
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this.interval = setInterval(this.updateGame, 20);
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this.interval = setInterval(this.updateGame.bind(this), 10);
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this.keys = [];
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document.addEventListener('keydown', this.keyDownHandler.bind(this));
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document.addEventListener('keyup', this.keyUpHandler.bind(this));
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}
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clear() {
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@ -40,10 +47,25 @@ class Game {
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}
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updateGame() {
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if (this.keys.includes('s'))
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this.paddle.y += 3;
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if (this.keys.includes('w'))
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this.paddle.y -= 3;
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this.clear();
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this.paddle.y += 1;
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this.paddle.update();
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}
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keyUpHandler(ev) {
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const idx = this.keys.indexOf(ev.key);
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if (idx != -1)
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this.keys.splice(idx, 1);
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}
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keyDownHandler(ev) {
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if (this.keys.indexOf(ev.key) == -1)
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this.keys.push(ev.key);
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}
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}
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class Paddle {
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