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614 lines
22 KiB
HTML
Vendored
614 lines
22 KiB
HTML
Vendored
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=1920, height=1080" />
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<title>Code 3D Extrude</title>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/three@0.147.0/build/three.min.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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box-sizing: border-box;
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}
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html,
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body {
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: #05070b;
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}
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#root {
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position: relative;
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width: 1920px;
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height: 1080px;
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}
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#gl {
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position: absolute;
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inset: 0;
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width: 1920px;
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height: 1080px;
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display: block;
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}
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</style>
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</head>
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<body>
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<div
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id="root"
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data-composition-id="code-3d-extrude"
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data-start="0"
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data-duration="8"
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data-width="1920"
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data-height="1080"
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>
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<canvas id="gl" width="1920" height="1080"></canvas>
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</div>
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<script>
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window.__TOKENS = {
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feature: {
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lang: "js",
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theme: "github-dark",
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bg: "#24292e",
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fg: "#e1e4e8",
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states: [
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{
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code: 'async function loadConfig(path) {\n const raw = await readFile(path, "utf8")\n const config = JSON.parse(raw)\n return validate(config)\n}',
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tokens: [
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{
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-18",
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content: "readFile",
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-27",
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content: "config",
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color: "#79B8FF",
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fontStyle: 0,
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},
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{
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content: " ",
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fontStyle: 0,
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-29",
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-30",
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content: " ",
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color: "#E1E4E8",
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-31",
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content: "JSON",
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color: "#79B8FF",
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fontStyle: 0,
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-32",
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content: ".",
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color: "#E1E4E8",
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fontStyle: 0,
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-33",
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content: "parse",
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-34",
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content: "(raw)",
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color: "#E1E4E8",
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fontStyle: 0,
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},
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content: " ",
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-37",
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content: " ",
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color: "#E1E4E8",
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fontStyle: 0,
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-39",
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content: "validate",
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color: "#B392F0",
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fontStyle: 0,
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},
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{
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-40",
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content: "(config)",
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-41",
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content: "\n",
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content: "}",
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color: "#E1E4E8",
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fontStyle: 0,
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key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-43",
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content: "\n",
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color: "#e1e4e8",
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],
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],
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},
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};
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window.__BLOCK = {
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id: "code-3d-extrude",
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effect: "extrude",
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seq: "feature",
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duration: 8,
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seed: 7,
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};
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</script>
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<script>
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// hf-code-anim-gl.js — WebGL code-animation engine for the "crazy" Code Animations blocks.
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//
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// Bridges the baked Shiki tokens (window.__TOKENS) into Three.js: the tokens are drawn once
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// to an offscreen 2D canvas (a CanvasTexture), which then drives a lit 3D slab, a dissolve
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// shader, or a GPU particle system. Determinism per the project contract:
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// - render only via tl.eventCallback("onUpdate", …) + one initial render() — never rAF
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// - all randomness from a seeded mulberry32 — never Math.random / Date.now
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// - canvas drawn once after document.fonts.ready (final glyph metrics)
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// - paused GSAP timeline registered on window.__timelines[id]; HF seeks it per frame
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//
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// Each block sets window.__BLOCK = { id, effect, seq, duration, seed } and includes this engine.
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(function () {
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"use strict";
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var T = window.__TOKENS || {};
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// ---- seeded PRNG (no Math.random) -----------------------------------------
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function mulberry32(a) {
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return function () {
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a |= 0;
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a = (a + 0x6d2b79f5) | 0;
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var t = Math.imul(a ^ (a >>> 15), 1 | a);
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t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
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return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
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};
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}
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// ---- split a token state into lines of {content,color} --------------------
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function splitLines(state) {
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var lines = [[]];
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for (var i = 0; i < state.tokens.length; i++) {
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var t = state.tokens[i];
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if (t.content === "\n") {
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lines.push([]);
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continue;
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}
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lines[lines.length - 1].push(t);
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}
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while (lines.length && lines[lines.length - 1].length === 0) lines.pop();
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return lines;
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}
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|
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// ---- THE BRIDGE: draw baked tokens to an offscreen 2D canvas ---------------
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// Returns { canvas, W, H, lines, lineH, padY, fontPx } so effects can sample it.
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function drawCodeToCanvas(state, opts) {
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opts = opts || {};
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var fontPx = opts.fontPx || 36;
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var lineH = opts.lineH || 54;
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var padX = opts.padX || 70;
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var padY = opts.padY || 60;
|
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var weight = opts.weight || 500;
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var font = weight + " " + fontPx + 'px "JetBrains Mono", monospace';
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|
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var lines = splitLines(state);
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var measure = document.createElement("canvas").getContext("2d");
|
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measure.font = font;
|
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var maxW = 0;
|
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for (var i = 0; i < lines.length; i++) {
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var w = 0;
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for (var j = 0; j < lines[i].length; j++)
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w += measure.measureText(lines[i][j].content).width;
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if (w > maxW) maxW = w;
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}
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var W = Math.max(2, Math.ceil(maxW + padX * 2));
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var H = Math.max(2, Math.ceil(lines.length * lineH + padY * 2));
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var canvas = document.createElement("canvas");
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canvas.width = W;
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canvas.height = H;
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var ctx = canvas.getContext("2d");
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if (opts.transparent) {
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ctx.clearRect(0, 0, W, H);
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} else {
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|
ctx.fillStyle = opts.bg || "#0b0f17";
|
|
ctx.fillRect(0, 0, W, H);
|
|
}
|
|
ctx.textBaseline = "top";
|
|
ctx.font = font;
|
|
for (var li = 0; li < lines.length; li++) {
|
|
var x = padX;
|
|
var y = padY + li * lineH;
|
|
for (var k = 0; k < lines[li].length; k++) {
|
|
var tok = lines[li][k];
|
|
ctx.fillStyle = tok.color;
|
|
ctx.fillText(tok.content, x, y);
|
|
x += ctx.measureText(tok.content).width;
|
|
}
|
|
}
|
|
return {
|
|
canvas: canvas,
|
|
W: W,
|
|
H: H,
|
|
lines: lines.length,
|
|
lineH: lineH,
|
|
padY: padY,
|
|
fontPx: fontPx,
|
|
};
|
|
}
|
|
|
|
function fxExtrude(THREE, scene, camera, renderer, state, st, tl, dur) {
|
|
scene.background = new THREE.Color(0x05070b);
|
|
var code = drawCodeToCanvas(state, {
|
|
fontPx: 38,
|
|
lineH: 56,
|
|
padX: 80,
|
|
padY: 70,
|
|
weight: 600,
|
|
});
|
|
var tex = new THREE.CanvasTexture(code.canvas);
|
|
tex.minFilter = THREE.LinearFilter;
|
|
tex.magFilter = THREE.LinearFilter;
|
|
tex.generateMipmaps = false;
|
|
|
|
var aspect = code.W / code.H;
|
|
var slabH = 6.2;
|
|
var slabW = slabH * aspect;
|
|
var depth = 0.5;
|
|
|
|
// beveled slab: rounded extruded rectangle
|
|
var hw = slabW / 2;
|
|
var hh = slabH / 2;
|
|
var r = 0.18;
|
|
var shape = new THREE.Shape();
|
|
shape.moveTo(-hw + r, -hh);
|
|
shape.lineTo(hw - r, -hh);
|
|
shape.quadraticCurveTo(hw, -hh, hw, -hh + r);
|
|
shape.lineTo(hw, hh - r);
|
|
shape.quadraticCurveTo(hw, hh, hw - r, hh);
|
|
shape.lineTo(-hw + r, hh);
|
|
shape.quadraticCurveTo(-hw, hh, -hw, hh - r);
|
|
shape.lineTo(-hw, -hh + r);
|
|
shape.quadraticCurveTo(-hw, -hh, -hw + r, -hh);
|
|
var geo = new THREE.ExtrudeGeometry(shape, {
|
|
depth: depth,
|
|
bevelEnabled: true,
|
|
bevelThickness: 0.12,
|
|
bevelSize: 0.1,
|
|
bevelSegments: 3,
|
|
steps: 1,
|
|
});
|
|
geo.center();
|
|
// UVs from ExtrudeGeometry don't map the texture nicely to the face; remap front-face UVs from XY bounds.
|
|
geo.computeBoundingBox();
|
|
var bb = geo.boundingBox;
|
|
var sizeX = bb.max.x - bb.min.x;
|
|
var sizeY = bb.max.y - bb.min.y;
|
|
var pos = geo.attributes.position;
|
|
var uv = geo.attributes.uv;
|
|
for (var vi = 0; vi < pos.count; vi++) {
|
|
uv.setXY(vi, (pos.getX(vi) - bb.min.x) / sizeX, (pos.getY(vi) - bb.min.y) / sizeY);
|
|
}
|
|
uv.needsUpdate = true;
|
|
|
|
// Face is an unlit "screen" — shows the exact vivid Shiki colors (no PBR/emissive wash).
|
|
// The 3D read comes from the lit, beveled EDGES + perspective, like a glowing monitor.
|
|
var faceMat = new THREE.MeshBasicMaterial({ map: tex });
|
|
var edgeMat = new THREE.MeshStandardMaterial({
|
|
color: 0x141d2b,
|
|
roughness: 0.3,
|
|
metalness: 0.4,
|
|
});
|
|
// ExtrudeGeometry groups: 0 = front+back faces, 1 = sides. Front shows the code.
|
|
var slab = new THREE.Mesh(geo, [faceMat, edgeMat]);
|
|
scene.add(slab);
|
|
|
|
scene.add(new THREE.AmbientLight(0xffffff, 0.5));
|
|
var key = new THREE.DirectionalLight(0xbcd4ff, 1.25);
|
|
key.position.set(5, 7, 9);
|
|
scene.add(key);
|
|
var rim = new THREE.DirectionalLight(0x4fffa0, 0.45);
|
|
rim.position.set(-7, -3, 5);
|
|
scene.add(rim);
|
|
|
|
camera.position.set(0, 0, 10);
|
|
|
|
// fit camera distance so the WHOLE slab fits (width-limited for wide code), ~78% fill
|
|
var vfov = (camera.fov * Math.PI) / 180;
|
|
var screenAspect = 1920 / 1080;
|
|
var fitH = slabH / 2 / Math.tan(vfov / 2) / 0.78;
|
|
var fitW = slabW / 2 / (Math.tan(vfov / 2) * screenAspect) / 0.78;
|
|
var fitZ = Math.max(fitH, fitW);
|
|
|
|
st.rotY = -1.0;
|
|
st.rotX = 0.4;
|
|
st.camZ = fitZ + 6;
|
|
tl.to(st, { rotY: 0, rotX: 0, camZ: fitZ, duration: dur * 0.6, ease: "power3.out" }, 0);
|
|
// gentle breathing drift at rest (subtle — stays readable)
|
|
tl.to(
|
|
st,
|
|
{ rotY: 0.06, rotX: -0.02, duration: dur * 0.4, ease: "sine.inOut" },
|
|
dur * 0.6,
|
|
);
|
|
|
|
return function () {
|
|
slab.rotation.y = st.rotY;
|
|
slab.rotation.x = st.rotX;
|
|
camera.position.z = st.camZ;
|
|
camera.lookAt(0, 0, 0);
|
|
// boot loop's render() issues the single renderer.render() — don't double-render here
|
|
};
|
|
}
|
|
|
|
// ---- dispatch + boot ------------------------------------------------------
|
|
function buildEffect(THREE, scene, camera, renderer, spec, st, tl) {
|
|
var state = T[spec.seq].states[0];
|
|
var dur = spec.duration;
|
|
if (spec.effect === "extrude")
|
|
return fxExtrude(THREE, scene, camera, renderer, state, st, tl, dur);
|
|
return function () {};
|
|
}
|
|
|
|
// Free GPU resources (renderer, geometries, materials, textures) on page teardown.
|
|
// One-shot renders exit per job so nothing leaks there; this guards long-lived
|
|
// Studio/player sessions that reload. Fires only on unload — never during capture.
|
|
function disposeGL(renderer, scene) {
|
|
scene.traverse(function (o) {
|
|
if (o.geometry && o.geometry.dispose) o.geometry.dispose();
|
|
var mats = o.material ? (Array.isArray(o.material) ? o.material : [o.material]) : [];
|
|
mats.forEach(function (m) {
|
|
if (m.map && m.map.dispose) m.map.dispose();
|
|
if (
|
|
m.uniforms &&
|
|
m.uniforms.uTex &&
|
|
m.uniforms.uTex.value &&
|
|
m.uniforms.uTex.value.dispose
|
|
) {
|
|
m.uniforms.uTex.value.dispose();
|
|
}
|
|
if (m.dispose) m.dispose();
|
|
});
|
|
});
|
|
if (renderer.dispose) renderer.dispose();
|
|
}
|
|
|
|
function go() {
|
|
var spec = window.__BLOCK;
|
|
var root = document.getElementById("root");
|
|
var glcanvas = document.getElementById("gl");
|
|
var W = 1920;
|
|
var H = 1080;
|
|
window.__timelines = window.__timelines || {};
|
|
var tl = gsap.timeline({ paused: true });
|
|
window.__timelines[spec.id] = tl; // register synchronously
|
|
|
|
var THREE = window.THREE;
|
|
var renderer = new THREE.WebGLRenderer({
|
|
canvas: glcanvas,
|
|
antialias: true,
|
|
alpha: false,
|
|
preserveDrawingBuffer: true,
|
|
});
|
|
renderer.setPixelRatio(1);
|
|
renderer.setSize(W, H, false);
|
|
var scene = new THREE.Scene();
|
|
var camera = new THREE.PerspectiveCamera(45, W / H, 0.1, 200);
|
|
var st = {};
|
|
|
|
document.fonts.ready.then(function () {
|
|
var renderFn = buildEffect(THREE, scene, camera, renderer, spec, st, tl);
|
|
function render() {
|
|
renderFn();
|
|
renderer.render(scene, camera);
|
|
}
|
|
tl.eventCallback("onUpdate", render);
|
|
var dur = parseFloat(root.dataset.duration) || tl.duration();
|
|
tl.to({}, { duration: dur }, 0); // pad to full composition length
|
|
render(); // paint frame 0
|
|
window.addEventListener("beforeunload", function () {
|
|
disposeGL(renderer, scene);
|
|
});
|
|
});
|
|
}
|
|
|
|
if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", go);
|
|
else go();
|
|
})();
|
|
</script>
|
|
</body>
|
|
</html>
|