OpenNeo/impress-2020
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impress-2020/public/animate-test.html

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test case for HTML5 animations
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<!DOCTYPE html>
<html>
<head>
oops, assetProxy more things for animate-test.html
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<script src="https://code.createjs.com/1.0.0/easeljs.min.js"></script>
<script src="https://code.createjs.com/1.0.0/tweenjs.min.js"></script>
<script src="/api/assetProxy?url=http://images.neopets.com/cp/items/data/000/000/564/564507_fc3216b9b8/all-item_foreground_lower.js"></script>
test case for HTML5 animations
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</head>
<body>
<div style="display: flex; justify-content: center;">
<div
style="
width: 100%;
max-width: 600px;
border: 1px solid #aaa;
position: relative;
"
>
<div style="padding-bottom: 100%;"></div>
<canvas
id="stage-canvas"
style="
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
width: 100%;
height: 100%;
"
></canvas>
</div>
</div>
add smooth fades, pause/play to animation test
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<div style="margin-top: 1em; text-align: center;">
<button id="show-hide">Show/hide</button>
<button id="pause-play">Pause/play</button>
</div>
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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<div style="margin-top: 1em; text-align: center;">
FPS: <span id="fps-count">…</span>
</div>
test case for HTML5 animations
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<script>
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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function loadImage(src) {
return new Promise((resolve, reject) => {
const image = new Image();
image.onload = () => resolve(image);
image.onerror = (e) => reject(e);
image.src = src;
});
}
function proxyUrl(url) {
return "/api/assetProxy?url=" + encodeURIComponent(url);
}
test case for HTML5 animations
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async function main() {
const composition = Object.values(AdobeAn.compositions)[0];
const library = composition.getLibrary();
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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const manifestImages = new Map(
library.properties.manifest.map(({ id, src }) => [
id,
loadImage(
proxyUrl(
"http://images.neopets.com/cp/items/data/000/000/564/564507_fc3216b9b8/" +
src
)
test case for HTML5 animations
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),
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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])
test case for HTML5 animations
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);
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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try {
await Promise.all(manifestImages.values());
} catch (e) {
console.error("Error loading images", e);
return;
}
test case for HTML5 animations
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const spriteSheets = composition.getSpriteSheet();
for (const { name, frames } of library.ssMetadata) {
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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const image = await manifestImages.get(name);
test case for HTML5 animations
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spriteSheets[name] = new createjs.SpriteSheet({
remove preloadjs from animate test, to save bundle Well, there's no real bundle yet, but just was noticing that PreloadJS is like 100KB, and we're only using very very basic features. Simplify and save!
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images: [image],
test case for HTML5 animations
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frames,
});
}
const movieClip = new library.allitem_foreground_lower();
const canvas = document.getElementById("stage-canvas");
const stage = new library.Stage(canvas);
canvas.width = canvas.offsetWidth * window.devicePixelRatio;
canvas.height = canvas.offsetHeight * window.devicePixelRatio;
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stage.scaleX =
(canvas.offsetWidth * window.devicePixelRatio) /
library.properties.width;
stage.scaleY =
(canvas.offsetHeight * window.devicePixelRatio) /
library.properties.height;
test case for HTML5 animations
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draft of animated layers in storybook Not running in the real app yet, but there's something a bit off where changes seem to pause animations and I don't understand why
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// movieClip.alpha = 0;
// const tween = createjs.Tween.get(movieClip, { paused: true }).to(
// { alpha: 1 },
// 200
// );
// stage.on(
// "drawend",
// () => {
// tween.paused = false;
// },
// null,
// true
// );
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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// TODO: I'm not 100% clear on why, but manually caching the movie and
// manually updating the cache at a 60FPS rate (that's how often
// the tick fires, regardless of movie framerate) seems to
// substantially improve performance of things like fade-in. I
// think it might just be perceived performance, because the
// alpha applies to a cached raster instead of the individual
// layers, so it looks better? Although hell, maybe applying
// alpha to a cached raster just _is_ faster than applying it to
// like 200 overlapping layers, that would just make sense...
draft of animated layers in storybook Not running in the real app yet, but there's something a bit off where changes seem to pause animations and I don't understand why
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// movieClip.cache(
// 0,
// 0,
// library.properties.width,
// library.properties.height
// );
// movieClip.on("tick", () => movieClip.updateCache());
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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test case for HTML5 animations
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stage.addChild(movieClip);
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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movieClip.framerate = library.properties.fps;
add smooth fades, pause/play to animation test
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createjs.Ticker.timingMode = createjs.Ticker.RAF;
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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createjs.Ticker.on("tick", (e) => stage.update(e));
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document.getElementById("show-hide").addEventListener("click", () => {
tween.reversed = !tween.reversed;
tween.setPosition(0);
tween.paused = false;
});
document.getElementById("pause-play").addEventListener("click", () => {
simplify animate-test code we got rid of the custom timing now that I learned about additional API hooks to do exactly what I want!
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movieClip.tickEnabled = !movieClip.tickEnabled;
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});
test case for HTML5 animations
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}
main();
</script>
</body>
</html>
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