Files
matrix/index.html
2018-09-11 18:23:45 -07:00

197 lines
6.9 KiB
HTML

<html>
<head>
<title>Matrix digital rain</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
</head>
<body style="height: 100vh; margin: 0; overflow: hidden; position: fixed; padding: 0; width: 100vw;">
<script src="./lib/three.js"></script>
<script src="./js/CopyShader.js"></script>
<script src="./js/EffectComposer.js"></script>
<script src="./js/RenderPass.js"></script>
<script src="./js/ShaderPass.js"></script>
<script src="./js/ColorMapPass.js"></script>
<script src="./js/HorizontalColorationPass.js"></script>
<script src="./js/LuminosityHighPassShader.js"></script>
<script src="./js/UnrealBloomPass.js"></script>
<script src="./js/ImageOverlayPass.js"></script>
<script src="./js/GPUComputationRenderer.js"></script>
<script src="./js/MatrixRenderer.js"></script>
<script>
const versions = {
paradise: {
texture: './coptic_msdf.png',
glyphSequenceLength: 32,
bloom: {
strength: 4,
radius: 1,
threshold: 0
},
palette: [
{color: new THREE.Vector3(0.00, 0.00, 0.00), at: 0.0},
{color: new THREE.Vector3(0.52, 0.17, 0.05), at: 0.4},
{color: new THREE.Vector3(0.82, 0.37, 0.12), at: 0.7},
{color: new THREE.Vector3(1.00, 0.74, 0.29), at: 0.9},
{color: new THREE.Vector3(1.00, 1.00, 1.00), at: 1.0},
],
fallSpeed: 0.05,
cycleSpeed: 0.05,
hasThunder: false,
hasSun: true,
isPolar: true,
numColumns: 50
},
nightmare: {
texture: './gothic_msdf.png',
glyphSequenceLength: 27,
bloom: {
strength: 2,
radius: 0.8,
threshold: 0.5
},
palette: [
{color: new THREE.Vector3(0.00, 0.00, 0.00), at: 0.0},
{color: new THREE.Vector3(0.52, 0.00, 0.00), at: 0.2},
{color: new THREE.Vector3(0.82, 0.05, 0.05), at: 0.4},
{color: new THREE.Vector3(1.00, 0.60, 0.30), at: 0.8},
{color: new THREE.Vector3(1.00, 1.00, 0.90), at: 1.0},
],
fallSpeed: 0.4,
cycleSpeed: 0.02,
hasThunder: true,
hasSun: false,
isPolar: false,
numColumns: 60
},
["1999"]: {
texture: './matrixcode_msdf.png',
glyphSequenceLength: 57,
bloom: {
strength: 2,
radius: 0.5,
threshold: 0.3
},
palette: [
{color: new THREE.Vector3(0.00, 0.00, 0.00), at: 0.0},
{color: new THREE.Vector3(0.05, 0.52, 0.17), at: 0.4},
{color: new THREE.Vector3(0.12, 0.82, 0.37), at: 0.8},
{color: new THREE.Vector3(0.29, 1.00, 0.64), at: 1.0},
],
fallSpeed: 1,
cycleSpeed: 1,
hasThunder: false,
hasSun: false,
isPolar: false,
numColumns: 80
}
};
const urlParams = new Map(window.location.href.replace(/^[^\?]+\?/, "").split("&").map(pair => pair.split("=")));
const getParam = (key, defaultValue) => urlParams.has(key) ? urlParams.get(key) : defaultValue;
const version = versions[getParam("version", "1999")] || versions["1999"];
const sharpness = parseFloat(getParam("sharpness", 0.5));
const animationSpeed = parseFloat(getParam("animationSpeed", 1));
const fallSpeed = parseFloat(getParam("fallSpeed", 1)) * version.fallSpeed;
const cycleSpeed = parseFloat(getParam("cycleSpeed", 1)) * version.cycleSpeed;
const numColumns = parseInt(getParam("width", version.numColumns));
const numGlyphColumns = 8;
const glyphSequenceLength = version.glyphSequenceLength;
const palette = version.palette;
const hasThunder = version.hasThunder;
const hasSun = version.hasSun;
const isPolar = version.isPolar;
const effect = getParam("effect", "plain");
document.ontouchmove = (e) => e.preventDefault();
const element = document.createElement("matrixcode");
document.body.appendChild(element);
const renderer = new THREE.WebGLRenderer({ stencil: false, depth: false, precision: "lowp" });
renderer.sortObjects = true;
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setPixelRatio(window.devicePixelRatio);
element.appendChild(renderer.domElement);
const composer = new THREE.EffectComposer( renderer );
const texture = new THREE.TextureLoader().load( version.texture );
const matrixRenderer = makeMatrixRenderer(renderer, texture, {
sharpness,
numColumns,
animationSpeed, fallSpeed, cycleSpeed,
glyphSequenceLength,
numGlyphColumns,
hasThunder,
hasSun,
isPolar,
});
matrixRenderer.pass.renderToScreen = false;
composer.addPass( matrixRenderer.pass );
const bloomPass = new THREE.UnrealBloomPass( new THREE.Vector2( window.innerWidth, window.innerHeight ), version.bloom.strength, version.bloom.radius, version.bloom.threshold );
composer.addPass( bloomPass );
switch (effect) {
case "plain":
composer.addPass(new THREE.ColorMapPass(palette, 0.1));
break;
case "pride":
composer.addPass(new THREE.HorizontalColorationPass([
new THREE.Vector3(1, 0, 0),
new THREE.Vector3(1, 0.5, 0),
new THREE.Vector3(1, 1, 0),
new THREE.Vector3(0, 1, 0),
new THREE.Vector3(0, 0, 1),
new THREE.Vector3(0.8, 0, 1),
], 0.1));
break;
case "customStripes":
const flagColorData = getParam("colors", "0.4,0.15,0.1,0.4,0.15,0.1,0.8,0.8,0.6,0.8,0.8,0.6,1.0,0.7,0.8,1.0,0.7,0.8,").split(",").map(parseFloat);
const numFlagColors = Math.floor(flagColorData.length / 3);
const colors = [];
for (let i = 0; i < numFlagColors; i++) {
colors.push(new THREE.Vector3(flagColorData[i * 3 + 0], flagColorData[i * 3 + 1], flagColorData[i * 3 + 2]));
}
composer.addPass(new THREE.HorizontalColorationPass(colors, 0.1));
break;
case "none":
break;
case "image":
const imageURL = getParam("url", "https://upload.wikimedia.org/wikipedia/commons/0/0a/Flammarion_Colored.jpg");
window.texture2 = new THREE.TextureLoader().load( imageURL );
composer.addPass(new THREE.ImageOverlayPass(texture2));
break;
}
composer.passes[composer.passes.length - 1].renderToScreen = true;
const windowResize = () => {
const [width, height] = [window.innerWidth, window.innerHeight];
matrixRenderer.resize(width, height);
renderer.setSize(width, height);
composer.setSize(width, height);
bloomPass.setSize( window.innerWidth, window.innerHeight );
}
window.addEventListener("resize", windowResize, false);
window.addEventListener("orientationchange", windowResize, false);
windowResize();
const render = () => {
requestAnimationFrame(render);
matrixRenderer.render();
composer.render();
}
render();
</script>
</body></html>