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[canvaskit] HDPI support, fix blending, physics example
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
|
|
||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <link rel="stylesheet" href="../../index.css"> | ||
| <script src="https://unpkg.com/canvaskit-wasm@latest/bin/canvaskit.js"></script> | ||
| <script src="../dist/iife/spine-canvaskit.js"></script> | ||
| <style> | ||
| * { | ||
| margin: 0; | ||
| padding: 0; | ||
| } | ||
| </style> | ||
| </head> | ||
|
|
||
| <body class="p-4 flex flex-col items-center"> | ||
| <h1>IK Following</h1> | ||
| <p class="mb-4">Drag anywhere</p> | ||
| <canvas id=foo style="margin: 0 auto; width: 600px; height: 400px;"></canvas> | ||
| </body> | ||
|
|
||
| <script type="module"> | ||
| async function readFile(path) { | ||
| const response = await fetch(path); | ||
| if (!response.ok) throw new Error("Could not load file " + path); | ||
| return await response.arrayBuffer(); | ||
| } | ||
|
|
||
| const canvasElement = document.querySelector("#foo"); | ||
| const dpr = window.devicePixelRatio || 1; | ||
| canvasElement.width = canvasElement.clientWidth * dpr; | ||
| canvasElement.height = canvasElement.clientHeight * dpr; | ||
|
|
||
| const ck = await CanvasKitInit(); | ||
| const surface = ck.MakeCanvasSurface('foo'); | ||
| surface.getCanvas().scale(dpr, dpr); | ||
|
|
||
| const atlas = await spine.loadTextureAtlas(ck, "assets/celestial-circus.atlas", readFile); | ||
| const skeletonData = await spine.loadSkeletonData("assets/celestial-circus-pro.json", atlas, readFile); | ||
| const drawable = new spine.SkeletonDrawable(skeletonData); | ||
| drawable.skeleton.scaleX = drawable.skeleton.scaleY = 0.15; | ||
| drawable.skeleton.x = 300; | ||
| drawable.skeleton.y = 300; | ||
|
|
||
| // Set the blink animation on track 0 | ||
| drawable.animationState.setAnimation(0, "eyeblink-long", true); | ||
|
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| // Set up touch and mouse listeners on the canvas element | ||
| // and set the touch/mouse coordinate on the aim bone | ||
| let mouseDown = false; | ||
| let lastX = -1, lastY = -1; | ||
| canvasElement.addEventListener("touchmove", (ev) => drag(ev.changedTouches[0].clientX, ev.changedTouches[0].clientY)); | ||
| canvasElement.addEventListener("mousedown", (ev) => { | ||
| mouseDown = true; | ||
| drag(ev.clientX, ev.clientY); | ||
| }); | ||
| canvasElement.addEventListener("mouseup", () => { | ||
| mouseDown = false; | ||
| lastX = -1; lastY = -1; | ||
| }) | ||
| canvasElement.addEventListener("mousemove", (ev) => { | ||
| if (mouseDown) drag(ev.clientX, ev.clientY); | ||
| }) | ||
|
|
||
| // Move the skeleton around based on the distance between | ||
| // the last touch/mouse location and the current touch/mouse location. | ||
| const drag = (touchX, touchY) => { | ||
| const clientRect = canvasElement.getBoundingClientRect(); | ||
| let x = touchX - clientRect.left; | ||
| let y = touchY - clientRect.top; | ||
| if (lastX == -1 && lastY == -1) { | ||
| lastX = x; | ||
| lastY = y; | ||
| return; | ||
| } | ||
|
|
||
| drawable.skeleton.x += (x - lastX); | ||
| drawable.skeleton.y += (y - lastY); | ||
| lastX = x; | ||
| lastY = y; | ||
| } | ||
|
|
||
| const renderer = new spine.SkeletonRenderer(ck); | ||
| let lastTime = performance.now(); | ||
|
|
||
| function drawFrame(canvas) { | ||
| canvas.clear(ck.Color(52, 52, 54, 1)); | ||
|
|
||
| const now = performance.now(); | ||
| const deltaTime = (now - lastTime) / 1000; | ||
| lastTime = now; | ||
|
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| drawable.update(deltaTime); | ||
| renderer.render(canvas, drawable); | ||
|
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||
| surface.requestAnimationFrame(drawFrame); | ||
| } | ||
| surface.requestAnimationFrame(drawFrame); | ||
| </script> | ||
|
|
||
| </html> |
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