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Revert "feat(registry): the video-primitive moves, documented and customisable (#3090)" (#3162)

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This reverts commit 3b53bfd2f7.
This commit is contained in:
Miguel Ángel
2026-08-10 14:47:47 -04:00
committed by GitHub
parent 3b53bfd2f7
commit c86d4013f5
2328 changed files with 5906 additions and 458525 deletions
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registry/components/ink-bleed-reveal/ink-bleed-reveal.html
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<!doctype html>
<!--
ink-bleed-reveal: HyperFrames video primitive (texture / reveals). Wave M7.
Liquid ink blooms through paper to reveal a mark. Several ink blobs bleed
outward from the center and merge like liquid under the gooey chain
(Gaussian blur + a hard alpha threshold: the blur softens the silhouettes
together, the threshold snaps the merged alpha back to a crisp liquid
edge), then the puddle contracts and dies as the crisp mark resolves
beneath it. The chain is the classic SVG feGaussianBlur + feColorMatrix
recipe, but computed in a canvas work buffer each repaint: Chrome's live
filter raster patches damaged tiles with seek-history-dependent seam
antialiasing, while a cleared, fully redrawn canvas is a pure function of
(table, time) and lands byte-identical frames. A seeded, static
paper-grain overlay (feTurbulence, fixed seed, never animated) rides the
whole piece.
The mark is a SLOT. Callers supply content by placing an inert template
anywhere in the HOST page (templates never render, and the runtime wipes
the host clip's own children on mount, so the slot lives at document level):
<template data-slot="ink-bleed-reveal-mark"> ... </template>
With no slot, the primitive renders a token monogram: one display glyph in
ink, drawn entirely from contract tokens. Light paper is the home register,
but every color rides a token so themes restate it.
Variables (declared in data-composition-variables below):
- blobs (number 4-6, default 5): how many ink blobs bleed and merge.
- accent ("green" | "blue" | "violet", default "green"): ink tint; green
rides --brand, blue rides --accent, violet rides --accent-2. The ink
body is the accent mixed toward --fg so it reads as pigment, not paint.
- exit ("none" | "fade" | "up", default "none"): frame roots own
transitions; the default holds the revealed mark to the last pixel.
Envelope, fixed IN and OUT with elastic HOLD only (never timeScale):
IN_BASE = 2.80s ink blooms, merges, contracts; mark resolves crisp
HOLD = max(0, D - IN - OUT); truly still (grain is static by
construction: painted by a fixed-seed feTurbulence, never
animated, so held frames are byte-identical)
OUT_BASE = 0.45s only when exit != none
If D < IN_BASE + OUT_BASE, IN and OUT compress together.
Determinism (closed-form field law): there is NO physics state. One
per-blob parameter table is computed exactly once during synchronous
timeline construction from fixed LCG seed 0x1b1eedca; every painted frame
positions each blob as a pure function of (table row, timeline time) inside
the anchor tween's onUpdate. Zero per-blob tweens. No Math.random, no wall
clock, no requestAnimationFrame. Eventful seeks (suppressEvents=false, the
engine's render path) land identical frames in any order and either
direction; by the end of IN every blob's scale is exactly zero and the goo
layer's opacity is zero, so the HOLD is the crisp mark on still paper.
Mount contract: the runtime clones only this template. #root fills the
host box (no data-width/data-height, container-type: size, cqmin units),
is styled via #root only, and registers one paused timeline under the
LITERAL "ink-bleed-reveal" key. All DOM state is set with explicit
endpoints (gsap.set + fromTo) so any seek order lands identical frames.
-->
<html
lang="en"
data-composition-id="ink-bleed-reveal"
data-composition-duration="4"
data-composition-variables='[
{ "id": "blobs", "type": "number", "role": "style", "label": "Blobs", "description": "How many ink blobs bleed and merge (4 to 6).", "default": 5, "min": 4, "max": 6, "step": 1 },
{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Ink tint: green rides --brand, blue rides --accent, violet rides --accent-2.", "default": "green", "options": [{ "value": "green", "label": "Green" }, { "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }] },
{ "id": "exit", "type": "enum", "role": "timing", "label": "Exit", "description": "Optional departure. Default none: the revealed mark holds until the frame cuts.", "default": "none", "options": [{ "value": "none", "label": "None" }, { "value": "fade", "label": "Fade" }, { "value": "up", "label": "Up" }] }
]'
>
<head>
<meta charset="UTF-8" />
<title>Ink Bleed Reveal</title>
</head>
<body>
<template>
<div id="root" data-composition-id="ink-bleed-reveal" data-duration="4" data-fps="30">
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
#root {
position: absolute;
inset: 0;
overflow: hidden;
container-type: size;
isolation: isolate;
color: var(--fg, #1d1b16);
font-family: var(--font-display, "Inter", system-ui, sans-serif);
pointer-events: none;
}
.ibr-clip {
position: absolute;
inset: 0;
overflow: hidden;
background: var(--bg, transparent);
}
.ibr-stage {
position: absolute;
inset: 0;
will-change: transform, opacity;
}
/* The gooey layer is a canvas: blur + alpha threshold are computed
in-buffer each repaint (ctx.filter blur, then the colormatrix
threshold applied to the readback). Chrome's live SVG/CSS filter
raster patches damaged tiles with seek-history-dependent seam
antialiasing, which breaks byte-identical frames; a cleared and
fully redrawn canvas is a pure function of (table, time). */
.ibr-canvas {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
}
.ibr-mark {
position: absolute;
inset: 0;
display: grid;
place-items: center;
will-change: transform, opacity;
}
.ibr-monogram {
display: grid;
place-items: center;
width: 44cqmin;
height: 44cqmin;
border: 0.5cqmin solid color-mix(in srgb, var(--ibr-accent) 58%, var(--fg, #1d1b16));
border-radius: 50%;
}
.ibr-monogram-glyph {
color: color-mix(in srgb, var(--ibr-accent) 55%, var(--fg, #1d1b16));
font-size: 22cqmin;
font-weight: 600;
line-height: 1;
letter-spacing: 0.02em;
}
/* Seeded static paper grain: feTurbulence with a FIXED seed paints
this layer once per raster; nothing about it is animated, so it
adds tooth without touching determinism. */
.ibr-grain {
position: absolute;
inset: 0;
filter: url(#ibr-grain-filter);
opacity: 0.5;
mix-blend-mode: multiply;
}
</style>
<div
id="ink-bleed-reveal-clip"
class="ibr-clip clip"
data-start="0"
data-duration="4"
data-track-index="0"
>
<svg aria-hidden="true" width="0" height="0" style="position: absolute">
<defs>
<filter
id="ibr-grain-filter"
x="0%"
y="0%"
width="100%"
height="100%"
color-interpolation-filters="sRGB"
>
<feTurbulence
type="fractalNoise"
baseFrequency="0.82"
numOctaves="2"
seed="11"
stitchTiles="stitch"
result="noise"
/>
<feColorMatrix
in="noise"
type="matrix"
values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.14 0.14 0.14 0 0"
/>
</filter>
</defs>
</svg>
<div class="ibr-stage">
<div class="ibr-mark">
<div class="ibr-monogram">
<span class="ibr-monogram-glyph" aria-hidden="true">H</span>
</div>
</div>
<canvas class="ibr-canvas" aria-hidden="true"></canvas>
<div class="ibr-grain"></div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<script>
(function () {
"use strict";
var root = document.getElementById("root");
var stage = root.querySelector(".ibr-stage");
var canvas = root.querySelector(".ibr-canvas");
var mark = root.querySelector(".ibr-mark");
var vars =
window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: {};
var blobCount = Math.round(Number(vars.blobs));
if (!Number.isFinite(blobCount)) blobCount = 5;
blobCount = Math.min(6, Math.max(4, blobCount));
// Each enum choice routes to a DIFFERENT contract token so the
// variable stays meaningful under a theme.
var accentColors = {
green: "var(--brand, #14a35e)",
blue: "var(--accent, #2f6fed)",
violet: "var(--accent-2, #7a5cd6)",
};
var accent = Object.prototype.hasOwnProperty.call(accentColors, vars.accent)
? vars.accent
: "green";
var exit = vars.exit === "fade" || vars.exit === "up" ? vars.exit : "none";
root.style.setProperty("--ibr-accent", accentColors[accent]);
// SLOT. Caller templates live at HOST DOCUMENT level (the mount
// wipes host-clip children, and templates never render). The
// scoped document proxy filters queries to this composition's
// subtree, so the lookup deliberately goes through ownerDocument.
var hostDoc = root.ownerDocument;
var slotTemplate = null;
try {
slotTemplate = hostDoc.querySelector('template[data-slot="ink-bleed-reveal-mark"]');
} catch (error) {
slotTemplate = null;
}
if (slotTemplate) {
mark.querySelector(".ibr-monogram").remove();
mark.appendChild(hostDoc.importNode(slotTemplate.content, true));
}
// Envelope: fixed IN/OUT, elastic HOLD, never time-scaled.
var IN_BASE = 2.8;
var OUT_BASE = exit === "none" ? 0 : 0.45;
var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
var totalBase = Math.max(0.001, IN_BASE + OUT_BASE);
var scale = duration < totalBase ? duration / totalBase : 1;
var IN = IN_BASE * scale;
var OUT = OUT_BASE * scale;
var HOLD = Math.max(0, duration - (IN + OUT));
var OUT_START = IN + HOLD;
// Geometry basis is fixed once at mount from the host box, like
// the particle-image-reveal canvas raster: the same host always
// yields the same pixel coordinates and blur radius. The display
// canvas rides the host raster; the goo itself is computed in a
// low-resolution work buffer (the blur radius dwarfs the lost
// detail, and the upscale softens the ink edge pleasantly).
var dpr = Math.min(2, Math.max(1, Number(window.devicePixelRatio) || 1));
var box = root.getBoundingClientRect();
var cssW = Math.max(1, Math.round(box.width) || 640);
var cssH = Math.max(1, Math.round(box.height) || 360);
var minDim = Math.min(cssW, cssH);
var cx = cssW / 2;
var cy = cssH / 2;
canvas.width = Math.round(cssW * dpr);
canvas.height = Math.round(cssH * dpr);
var ctx = canvas.getContext("2d");
var LOW = 3;
var work = hostDoc.createElement("canvas");
work.width = Math.max(1, Math.ceil(cssW / LOW));
work.height = Math.max(1, Math.ceil(cssH / LOW));
var workCtx = work.getContext("2d", { willReadFrequently: true });
// Gooey ratio: the blur radius vs. threshold slope is what makes
// this read as liquid instead of blur. Same math as the classic
// SVG chain (feGaussianBlur stdDeviation, then feColorMatrix
// alpha row 22 / -9), computed in-buffer for byte-stable seeks.
var blurLow = Math.max(2, (minDim * 0.028) / LOW);
// Resolve the ink color to a concrete value once at mount so
// canvas fills never depend on style recalc during seeks.
var probe = hostDoc.createElement("span");
probe.style.color =
"color-mix(in srgb, " + accentColors[accent] + " 62%, var(--fg, #1d1b16))";
root.appendChild(probe);
var inkColor = getComputedStyle(probe).color || "#1d1b16";
probe.remove();
// The LCG and every per-blob decision live here. This IIFE runs
// once before timeline construction; afterwards only the table is
// read. Blob state at any time is a pure closed-form function of
// (table row, timeline time). No velocities, no integration.
var blobRows = (function () {
var state = 0x1b1eedca;
function next() {
state = (Math.imul(1664525, state) + 1013904223) >>> 0;
return state / 4294967296;
}
var rows = [];
for (var i = 0; i < blobCount; i += 1) {
var angle = (i / blobCount) * Math.PI * 2 + next() * 0.9;
rows.push({
dirX: Math.cos(angle),
dirY: Math.sin(angle),
// How far this blob bleeds outward from the drop point.
spread: (0.16 + 0.16 * next()) * minDim,
// Base diameter; the first blob is the fat mother drop.
size: (i === 0 ? 0.34 : 0.14 + 0.12 * next()) * minDim,
// Bloom stagger and death schedule, fractions of IN.
birth: i === 0 ? 0 : 0.04 + 0.3 * next(),
die: 0.5 + 0.16 * next(),
// Wobble makes the bleed organic; amplitude rides (1 - die)
// so it is exactly zero once the blob is gone.
wobbleAmp: (0.02 + 0.03 * next()) * minDim,
wobblePhase: next() * Math.PI * 2,
wobbleFreq: 2 + Math.floor(next() * 3),
});
}
return rows;
})();
function clamp01(v) {
return v < 0 ? 0 : v > 1 ? 1 : v;
}
function easeOutCubic(v) {
return 1 - Math.pow(1 - v, 3);
}
function easeInOut(v) {
return v < 0.5 ? 2 * v * v : 1 - Math.pow(-2 * v + 2, 2) / 2;
}
// Pure repaint: clear the work buffer, draw every blob from its
// closed-form (row, p) state, blur, threshold the readback, then
// blit up to the display canvas. Every step is a pure function
// of (table, timeline time); no history survives a frame.
function paint(timeSeconds) {
var p = IN > 0 ? clamp01(timeSeconds / IN) : 1;
ctx.clearRect(0, 0, canvas.width, canvas.height);
// The layer fades over the mark as the last blobs die,
// guaranteeing an exactly-empty canvas through the HOLD.
var layerAlpha = 1 - clamp01((p - 0.86) / 0.12);
if (layerAlpha === 0) return;
workCtx.filter = "none";
workCtx.clearRect(0, 0, work.width, work.height);
workCtx.filter = "blur(" + blurLow + "px)";
workCtx.fillStyle = inkColor;
var drew = false;
for (var i = 0; i < blobRows.length; i += 1) {
var row = blobRows[i];
// Bloom: the blob surfaces and bleeds outward.
var grow = easeOutCubic(clamp01((p - row.birth) / 0.34));
// Settle: the ink pulls back to the drop point and dies.
// Every die ramp completes by p = 0.97 exactly.
var die = easeInOut(clamp01((p - row.die) / (0.97 - row.die)));
var r = (row.size / 2) * grow * (1 - die);
if (r <= 0.01) continue;
var reach = row.spread * grow * (1 - die);
var wob =
Math.sin(p * Math.PI * 2 * row.wobbleFreq + row.wobblePhase) *
row.wobbleAmp *
grow *
(1 - die);
var x = cx + row.dirX * reach + wob * row.dirY;
var y = cy + row.dirY * reach - wob * row.dirX;
workCtx.beginPath();
workCtx.arc(x / LOW, y / LOW, r / LOW, 0, Math.PI * 2);
workCtx.fill();
drew = true;
}
workCtx.filter = "none";
if (!drew) return;
// The colormatrix threshold (alpha row 22 / -9) applied to the
// blurred buffer: this snap is what turns overlap into goo.
var image = workCtx.getImageData(0, 0, work.width, work.height);
var data = image.data;
for (var j = 3; j < data.length; j += 4) {
var a = (data[j] / 255) * 22 - 9;
data[j] = a <= 0 ? 0 : a >= 1 ? 255 : Math.round(a * 255);
}
workCtx.putImageData(image, 0, 0);
ctx.globalAlpha = layerAlpha;
ctx.drawImage(work, 0, 0, canvas.width, canvas.height);
ctx.globalAlpha = 1;
}
gsap.set(stage, { opacity: 1, y: "0cqh" });
gsap.set(mark, { opacity: 0, scale: 0.94, transformOrigin: "50% 50%" });
var tl = gsap.timeline({
paused: true,
onUpdate: function () {
paint(tl.time());
},
});
// Anchor tween: an inert plain-object tween spanning the full
// authored duration so tl.time() covers [0, D] and onUpdate
// (the blob painter) fires for every eventful seek anywhere in
// the piece, including the hold.
tl.to({ p: 0 }, { p: 1, duration: duration, ease: "none" }, 0);
// IN: the crisp mark resolves beneath the contracting puddle.
// Both endpoints authored; the ink supplies the drama, the mark
// lands with one restrained settle.
tl.fromTo(
mark,
{ opacity: 0 },
{ opacity: 1, duration: IN * 0.34, ease: "power2.out" },
IN * 0.52,
);
tl.fromTo(
mark,
{ scale: 0.94 },
{ scale: 1, duration: IN * 0.4, ease: "power2.out" },
IN * 0.52,
);
// HOLD: truly still. The goo canvas is one clear rect (every
// blob dead, layer alpha zero) and the grain is a static seeded
// raster.
// OUT: optional departure; exit none holds until the frame cuts.
if (exit === "up") {
tl.to(stage, { y: "-4cqh", duration: OUT, ease: "power2.in" }, OUT_START);
tl.to(stage, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
} else if (exit === "fade") {
tl.to(stage, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
}
tl.seek(0);
paint(0);
window.__timelines = window.__timelines || {};
window.__timelines["ink-bleed-reveal"] = tl;
})();
</script>
</div>
</template>
</body>
</html>