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@@ -0,0 +1,72 @@
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+<!DOCTYPE html>
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+<html>
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+
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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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+
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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 width=600 height=400 style="margin: 0 auto;"></canvas>
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+</body>
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+
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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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+
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+ const ck = await CanvasKitInit();
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+ const surface = ck.MakeCanvasSurface('foo');
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+
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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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+
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+ // Instantiate 100 skeletons, 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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+
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+ drawables.push(drawable);
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+ }
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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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+
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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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+
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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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+
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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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+
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+</html>
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Mario Zechner