mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-04 14:24:53 +08:00
78 lines
2.6 KiB
HTML
78 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="../../index.css">
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<script src="https://unpkg.com/canvaskit-wasm@latest/bin/canvaskit.js"></script>
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<script src="../dist/iife/spine-canvaskit.js"></script>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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</style>
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</head>
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<body class="p-4 flex flex-col items-center">
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<h1>Micro Benchmark</h1>
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<div id="timing"></div>
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<canvas id=foo style="margin: 0 auto; width: 600px; height: 400px;"></canvas>
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</body>
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<script type="module">
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async function readFile(path) {
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const response = await fetch(path);
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if (!response.ok) throw new Error("Could not load file " + path);
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return await response.arrayBuffer();
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}
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const canvasElement = document.querySelector("#foo");
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const dpr = window.devicePixelRatio || 1;
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canvasElement.width = canvasElement.clientWidth * dpr;
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canvasElement.height = canvasElement.clientHeight * dpr;
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const ck = await CanvasKitInit();
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const surface = ck.MakeCanvasSurface('foo');
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surface.getCanvas().scale(dpr, dpr);
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const atlas = await spine.loadTextureAtlas(ck, "assets/spineboy.atlas", readFile);
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const skeletonData = await spine.loadSkeletonData("assets/spineboy-pro.skel", atlas, readFile);
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// Instantiate 100 drawables, randomly placed and scaled.
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const drawables = [];
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for (let i = 0; i < 100; i++) {
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const drawable = new spine.SkeletonDrawable(skeletonData);
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drawable.skeleton.scaleX = drawable.skeleton.scaleY = 0.1 + Math.random() * 0.4;
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drawable.skeleton.x = Math.random() * 600;
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drawable.skeleton.y = Math.random() * 400;
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drawable.animationState.setAnimation(0, "walk", true);
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drawables.push(drawable);
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}
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const timingElement = document.querySelector("#timing");
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const renderer = new spine.SkeletonRenderer(ck);
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let lastTime = performance.now();
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function drawFrame(canvas) {
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canvas.clear(ck.Color(52, 52, 54, 1));
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const now = performance.now();
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const deltaTime = (now - lastTime) / 1000;
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lastTime = now;
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// Render all drawables
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for (let i = 0; i < drawables.length; i++) {
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const drawable = drawables[i];
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drawable.update(deltaTime);
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renderer.render(canvas, drawable);
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}
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surface.requestAnimationFrame(drawFrame);
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timingElement.textContent = (deltaTime * 1000).toFixed(0) + "ms/frame";
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}
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surface.requestAnimationFrame(drawFrame);
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</script>
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</html> |