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hyperframes/docs/catalog/blocks/code-3d-extrude.mdx
T
Miguel Ángel 9734578e60 feat(registry): bring back the video-primitive moves (#3169) 
Restores the 208 catalog items reverted after their previews 404'd in
production, this time on the payload mechanism rather than the .html files
that caused the outage.

The generator no longer writes a preview document to docs/public. That writer,
and the machinery under it, existed only to produce files the docs host
discards, so it is gone rather than bypassed. Items now embed the composition
itself via a payload, which is what the previous change already does for the
items that were already in the catalog.

The variables explorer is parked, not restored: it drove its preview through
the same unpublished .html path, so it would have shown an empty frame. Items
that declare variables get the live player plus the static variables table, and
reconnecting the explorer to payloads is a follow-up.
2026-08-10 18:46:03 -04:00

660 lines
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---
title: "Code 3D Extrude"
description: "Syntax-highlighted code on a lit, beveled 3D slab that rotates through real space and settles to a readable rest — true WebGL depth and lighting, not a 2D transform."
---
import { InstallCommand } from "/snippets/install-command.jsx";
<iframe
className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
title="code-3d-extrude preview"
loading="lazy"
srcDoc={`<!doctype html><html><head><meta charset="utf-8"><style>html,body{margin:0;height:100%;overflow:hidden;background:transparent}hyperframes-player{display:block;width:100%;height:100%}</style><script src="https://cdn.jsdelivr.net/npm/@hyperframes/player@0.7/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/blocks/code-3d-extrude.json").then(function(r){return r.json()}).then(function(d){var p=document.createElement("hyperframes-player");p.setAttribute("srcdoc",d.html);p.setAttribute("controls","");p.setAttribute("autoplay","");p.setAttribute("loop","");p.setAttribute("muted","");p.setAttribute("poster","https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/code-3d-extrude.png");document.body.appendChild(p)});<\/script></body></html>`}
/>
## Install
<InstallCommand command="npx hyperframes add code-3d-extrude" />
That writes one file: `compositions/code-3d-extrude.html`.
## Source
<Accordion title={`code-3d-extrude.html`}>
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=1920, height=1080" />
<title>Code 3D Extrude</title>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.147.0/build/three.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
overflow: hidden;
background: #05070b;
}
#root {
position: relative;
width: 1920px;
height: 1080px;
}
#gl {
position: absolute;
inset: 0;
width: 1920px;
height: 1080px;
display: block;
}
</style>
</head>
<body>
<div
id="root"
data-composition-id="code-3d-extrude"
data-start="0"
data-duration="8"
data-width="1920"
data-height="1080"
>
<canvas id="gl" width="1920" height="1080"></canvas>
</div>
<script>
window.__TOKENS = {
feature: {
lang: "js",
theme: "github-dark",
bg: "#24292e",
fg: "#e1e4e8",
states: [
{
code: 'async function loadConfig(path) {\n const raw = await readFile(path, "utf8")\n const config = JSON.parse(raw)\n return validate(config)\n}',
tokens: [
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-0",
content: "async",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-1",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-2",
content: "function",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-3",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-4",
content: "loadConfig",
color: "#B392F0",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-5",
content: "(",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-6",
content: "path",
color: "#FFAB70",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-7",
content: ") {",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-8",
content: "\n",
color: "#e1e4e8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-9",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-10",
content: "const",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-11",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-12",
content: "raw",
color: "#79B8FF",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-13",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-14",
content: "=",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-15",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-16",
content: "await",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-17",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-18",
content: "readFile",
color: "#B392F0",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-19",
content: "(path,",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-20",
content: " ",
color: "#e1e4e8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-21",
content: '"utf8"',
color: "#9ECBFF",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-22",
content: ")",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-23",
content: "\n",
color: "#e1e4e8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-24",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-25",
content: "const",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-26",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-27",
content: "config",
color: "#79B8FF",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-28",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-29",
content: "=",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-30",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-31",
content: "JSON",
color: "#79B8FF",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-32",
content: ".",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-33",
content: "parse",
color: "#B392F0",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-34",
content: "(raw)",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-35",
content: "\n",
color: "#e1e4e8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-36",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-37",
content: "return",
color: "#F97583",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-38",
content: " ",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-39",
content: "validate",
color: "#B392F0",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-40",
content: "(config)",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-41",
content: "\n",
color: "#e1e4e8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-42",
content: "}",
color: "#E1E4E8",
fontStyle: 0,
},
{
key: "SPx9u4TyzfMqSHpbjPHnWFQU8lPVEPieF6W5Vtu-bNA-43",
content: "\n",
color: "#e1e4e8",
fontStyle: 0,
},
],
},
],
},
};
window.__BLOCK = {
id: "code-3d-extrude",
effect: "extrude",
seq: "feature",
duration: 8,
seed: 7,
};
</script>
<script>
// hf-code-anim-gl.js — WebGL code-animation engine for the "crazy" Code Animations blocks.
//
// Bridges the baked Shiki tokens (window.__TOKENS) into Three.js: the tokens are drawn once
// to an offscreen 2D canvas (a CanvasTexture), which then drives a lit 3D slab, a dissolve
// shader, or a GPU particle system. Determinism per the project contract:
// - render only via tl.eventCallback("onUpdate", …) + one initial render() — never rAF
// - all randomness from a seeded mulberry32 — never Math.random / Date.now
// - canvas drawn once after document.fonts.ready (final glyph metrics)
// - paused GSAP timeline registered on window.__timelines[id]; HF seeks it per frame
//
// Each block sets window.__BLOCK = { id, effect, seq, duration, seed } and includes this engine.
(function () {
"use strict";
var T = window.__TOKENS || {};
// ---- seeded PRNG (no Math.random) -----------------------------------------
function mulberry32(a) {
return function () {
a |= 0;
a = (a + 0x6d2b79f5) | 0;
var t = Math.imul(a ^ (a >>> 15), 1 | a);
t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
};
}
// ---- split a token state into lines of {content,color} --------------------
function splitLines(state) {
var lines = [[]];
for (var i = 0; i < state.tokens.length; i++) {
var t = state.tokens[i];
if (t.content === "\n") {
lines.push([]);
continue;
}
lines[lines.length - 1].push(t);
}
while (lines.length && lines[lines.length - 1].length === 0) lines.pop();
return lines;
}
// ---- THE BRIDGE: draw baked tokens to an offscreen 2D canvas ---------------
// Returns { canvas, W, H, lines, lineH, padY, fontPx } so effects can sample it.
function drawCodeToCanvas(state, opts) {
opts = opts || {};
var fontPx = opts.fontPx || 36;
var lineH = opts.lineH || 54;
var padX = opts.padX || 70;
var padY = opts.padY || 60;
var weight = opts.weight || 500;
var font = weight + " " + fontPx + 'px "JetBrains Mono", monospace';
var lines = splitLines(state);
var measure = document.createElement("canvas").getContext("2d");
measure.font = font;
var maxW = 0;
for (var i = 0; i < lines.length; i++) {
var w = 0;
for (var j = 0; j < lines[i].length; j++)
w += measure.measureText(lines[i][j].content).width;
if (w > maxW) maxW = w;
}
var W = Math.max(2, Math.ceil(maxW + padX * 2));
var H = Math.max(2, Math.ceil(lines.length * lineH + padY * 2));
var canvas = document.createElement("canvas");
canvas.width = W;
canvas.height = H;
var ctx = canvas.getContext("2d");
if (opts.transparent) {
ctx.clearRect(0, 0, W, H);
} else {
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>
```
</Accordion>
## Usage
After installing, add the block to your host composition:
```html
<div data-composition-id="code-3d-extrude" data-composition-src="compositions/code-3d-extrude.html" data-start="0" data-duration="8" data-track-index="1" data-width="1920" data-height="1080"></div>
```
{/* hf:generated-footer */}
Tagged `code` `code-animation` `3d` `webgl` `developer`.
## Related topics
- [Browse the complete Catalog](/catalog)
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
- [Build a richer composition](/go-further)
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