mirror of
https://github.com/konvajs/konva.git
synced 2025-04-05 20:48:28 +08:00
108 lines
2.6 KiB
HTML
108 lines
2.6 KiB
HTML
<!DOCTYPE html>
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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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<div id="container"></div>
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<script src="../../konva.js"></script>
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<!-- <script src="https://unpkg.com/konva@7.0.3/konva.min.js"></script> -->
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<script src="http://www.html5canvastutorials.com/lib/stats/stats.js"></script>
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<script defer="defer">
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var lastTime = 0;
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var width = window.innerWidth;
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var height = window.innerHeight;
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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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var startObjectsCount = 5000;
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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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var stage = new Konva.Stage({
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container: 'container',
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width: width - 10,
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height: height - 10,
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});
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layer = new Konva.Layer();
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stage.add(layer);
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stats = new Stats();
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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 = startObjectsCount;
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counter.innerHTML = startObjectsCount + ' BUNNIES';
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container = stage;
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// stage.addChild(container);
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stage.on('mousedown', function () {
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isAdding = true;
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});
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stage.on('mouseup', function () {
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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 onTouchStart(event) {
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isAdding = true;
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}
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function onTouchEnd(event) {
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isAdding = false;
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}
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function update() {
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stats.begin();
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layer.destroyChildren();
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if (isAdding) {
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// add 10 at a time :)
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count += 10;
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counter.innerHTML = count + ' BUNNIES';
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}
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for (var i = 0; i < count; i++) {
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var bunny = new Konva.Rect({
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x: Math.random() * width,
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y: Math.random() * height,
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width: 50,
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height: 50,
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fill: Konva.Util.getRandomColor(),
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});
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layer.add(bunny);
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}
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requestAnimationFrame(update);
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stats.end();
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}
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</script>
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</body>
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</html>
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