2019-01-24 21:45:17 +08:00
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<!DOCTYPE html>
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2014-08-23 18:19:35 +08:00
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<html>
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<head>
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<style>
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body {
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margin: 0px;
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padding: 0px;
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}
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</style>
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</head>
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<body>
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2019-01-24 21:45:17 +08:00
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<div id="container"></div>
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<script src="http://www.html5canvastutorials.com/lib/stats/stats.js"></script>
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2023-06-05 23:16:28 +08:00
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<script type="module">
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import Konva from '../src/index.ts';
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2021-05-04 06:09:18 +08:00
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Konva.isUnminified = false;
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2021-05-04 21:57:03 +08:00
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// Konva.autoDrawEnabled = trye;
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2014-08-23 18:19:35 +08:00
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var lastTime = 0;
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2019-01-24 21:45:17 +08:00
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2018-05-24 10:21:32 +08:00
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var width = window.innerWidth;
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var height = window.innerHeight;
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2019-01-24 21:45:17 +08:00
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2014-08-23 18:19:35 +08:00
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var wabbitTexture;
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2019-01-24 21:45:17 +08:00
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2014-08-23 18:19:35 +08:00
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var bunnys = [];
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var gravity = 0.75;
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2019-01-24 21:45:17 +08:00
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2014-08-23 18:19:35 +08:00
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var maxX = width - 10;
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var minX = 0;
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var maxY = height - 10;
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var minY = 0;
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2019-01-24 21:45:17 +08:00
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2020-06-11 00:57:48 +08:00
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var startBunnyCount = 4000;
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2014-08-23 18:19:35 +08:00
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var isAdding = false;
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var count = 0;
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var container;
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var layer;
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var stats;
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var amount = 10;
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var counter;
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2018-05-24 10:21:32 +08:00
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2020-06-11 00:57:48 +08:00
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Konva.pixelRatio = 1;
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2019-01-24 21:45:17 +08:00
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var stage = new Konva.Stage({
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container: 'container',
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width: width - 10,
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2020-05-15 00:13:47 +08:00
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height: height - 10,
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2019-01-24 21:45:17 +08:00
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});
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2020-05-15 00:13:47 +08:00
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layer = new Konva.Layer({ listening: false });
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2019-01-24 21:45:17 +08:00
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stage.add(layer);
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stats = new Stats();
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wabbitTexture = new Image();
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2020-05-15 00:13:47 +08:00
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wabbitTexture.onload = function () {
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2019-01-24 21:45:17 +08:00
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_handleTextureLoaded();
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};
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2021-05-04 06:09:18 +08:00
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wabbitTexture.src = 'https://konvajs.org/assets/bunny.png';
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2019-01-24 21:45:17 +08:00
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document.body.appendChild(stats.domElement);
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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window.requestAnimationFrame(update);
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counter = document.createElement('div');
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counter.className = 'counter';
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counter.style.position = 'absolute';
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counter.style.top = '50px';
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document.body.appendChild(counter);
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count = startBunnyCount;
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counter.innerHTML = startBunnyCount + ' BUNNIES';
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container = stage;
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// stage.addChild(container);
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2020-05-15 00:13:47 +08:00
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stage.on('mousedown', function () {
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2019-01-24 21:45:17 +08:00
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isAdding = true;
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});
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2020-05-15 00:13:47 +08:00
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stage.on('mouseup', function () {
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2019-01-24 21:45:17 +08:00
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isAdding = false;
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});
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document.addEventListener('touchstart', onTouchStart, true);
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document.addEventListener('touchend', onTouchEnd, true);
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function _handleTextureLoaded(event) {
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for (var i = 0; i < startBunnyCount; i++) {
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var bunny = new Konva.Image({
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image: wabbitTexture,
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transformsEnabled: 'position',
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x: 10,
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y: 10,
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2020-06-17 05:20:36 +08:00
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perfectDrawEnabled: false,
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2020-06-24 06:22:28 +08:00
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width: wabbitTexture.width,
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height: wabbitTexture.height,
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2023-06-05 23:25:36 +08:00
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fill: 'yellow',
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2014-08-23 18:19:35 +08:00
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});
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2019-01-24 21:45:17 +08:00
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bunny.speedX = Math.random() * 10;
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bunny.speedY = Math.random() * 10 - 5;
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bunnys.push(bunny);
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layer.add(bunny);
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}
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2020-06-24 06:22:28 +08:00
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// layer.draw();
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// console.clear();
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// bunnys.forEach((b) => {
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// b.position({
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// x: Math.random() * window.innerWidth,
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// y: Math.random() * window.innerHeight,
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// });
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// });
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// layer.draw();
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// bunnys.forEach((b) => {
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// b.position({
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// x: Math.random() * window.innerWidth,
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// y: Math.random() * window.innerHeight,
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// });
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// });
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// layer.draw();
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2014-08-23 18:19:35 +08:00
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}
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2019-01-24 21:45:17 +08:00
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function onTouchStart(event) {
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isAdding = true;
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2014-08-23 18:19:35 +08:00
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}
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2019-01-24 21:45:17 +08:00
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function onTouchEnd(event) {
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isAdding = false;
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2014-08-23 18:19:35 +08:00
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}
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2019-01-24 21:45:17 +08:00
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function update() {
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stats.begin();
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if (isAdding) {
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// add 10 at a time :)
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for (var i = 0; i < amount; i++) {
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var bunny = new Konva.Image({
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image: wabbitTexture,
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transformsEnabled: 'position',
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x: 0,
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2020-05-15 00:13:47 +08:00
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y: 0,
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2020-06-17 05:20:36 +08:00
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perfectDrawEnabled: false,
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2020-06-24 06:22:28 +08:00
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width: wabbitTexture.width,
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height: wabbitTexture.height,
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2019-01-24 21:45:17 +08:00
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});
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bunny.speedX = Math.random() * 10;
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bunny.speedY = Math.random() * 10 - 5;
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bunnys.push(bunny);
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layer.add(bunny);
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count++;
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}
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counter.innerHTML = count + ' BUNNIES';
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}
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for (var i = 0; i < bunnys.length; i++) {
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var bunny = bunnys[i];
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2020-06-11 00:57:48 +08:00
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var pos = {
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x: bunny.x(),
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y: bunny.y(),
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};
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pos.x = pos.x + bunny.speedX;
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pos.y = pos.y + bunny.speedY;
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2019-01-24 21:45:17 +08:00
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bunny.speedY += gravity;
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2020-06-11 00:57:48 +08:00
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if (pos.x > maxX - wabbitTexture.width) {
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2019-01-24 21:45:17 +08:00
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bunny.speedX *= -1;
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2020-06-11 00:57:48 +08:00
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pos.x = maxX - wabbitTexture.width;
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} else if (pos.x < minX) {
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2019-01-24 21:45:17 +08:00
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bunny.speedX *= -1;
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2020-06-11 00:57:48 +08:00
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pos.x = minX;
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2014-08-23 18:19:35 +08:00
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}
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2019-01-24 21:45:17 +08:00
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2020-06-11 00:57:48 +08:00
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if (pos.y > maxY - wabbitTexture.height) {
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2019-01-24 21:45:17 +08:00
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bunny.speedY *= -0.85;
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2020-06-11 00:57:48 +08:00
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pos.y = maxY - wabbitTexture.height;
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2019-01-24 21:45:17 +08:00
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if (Math.random() > 0.5) {
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bunny.speedY -= Math.random() * 6;
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}
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2020-06-11 00:57:48 +08:00
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} else if (pos.y < minY) {
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2019-01-24 21:45:17 +08:00
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bunny.speedY = 0;
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2020-06-11 00:57:48 +08:00
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pos.y = minY;
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2014-08-23 18:19:35 +08:00
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}
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2020-06-11 00:57:48 +08:00
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bunny.position({
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x: pos.x,
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y: pos.y,
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});
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2018-05-24 10:21:32 +08:00
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}
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2021-05-04 21:57:03 +08:00
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if (!Konva.autoDrawEnabled) {
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layer.draw();
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}
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2019-01-24 21:45:17 +08:00
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requestAnimationFrame(update);
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stats.end();
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}
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2014-08-23 18:19:35 +08:00
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</script>
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</body>
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2019-01-24 21:45:17 +08:00
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</html>
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