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666 lines
21 KiB
HTML
Vendored
666 lines
21 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 Snippet Flight</title>
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<style>
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html,
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height: 1080px;
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#root {
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.tok {
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position: absolute;
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.diff-line {
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display: block;
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min-height: 0;
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line-height: 46px;
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white-space: pre;
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position: relative;
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background: rgba(63, 185, 80, 0.12);
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box-shadow: inset 3px 0 #3fb950;
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position: absolute;
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opacity: 0;
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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-snippet-flight"
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data-start="0"
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data-duration="6"
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data-width="1920"
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data-height="1080"
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>
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<div class="bg-field" data-layout-ignore></div>
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<div class="bg-grid" data-layout-ignore></div>
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<div class="editor" id="editor" data-layout-ignore>
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<div class="titlebar">
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<div class="dots">
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<span class="dot r"></span><span class="dot y"></span><span class="dot g"></span>
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</div>
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<span class="filename"
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><span class="accent">pipeline.js</span> — Code Snippet Flight</span
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>
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</div>
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<div class="code-surface" id="surface"></div>
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</div>
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window.__BLOCK = { id: "code-snippet-flight", effect: "flight", seq: "flight", duration: 6 };
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</script>
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<script>
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// hf-code-anim.js — self-contained code-animation engine for HyperFrames registry blocks.
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//
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// Reuses Shiki Magic Move's baked output (window.__TOKENS, baked at author time) and
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// drives the animation as a PAUSED GSAP timeline the HyperFrames engine seeks per frame —
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// NOT CSS transitions (those break under non-sequential frame seeking). FLIP measurement
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// runs once inside document.fonts.ready (glyph metrics must be final). Each block sets
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// window.__BLOCK = { id, effect, seq, line?, duration } and includes this engine; the
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// engine builds one scene that fills the composition and registers window.__timelines[id].
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(function () {
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"use strict";
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var T = window.__TOKENS || {};
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function lineDiv() {
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var d = document.createElement("div");
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d.className = "line";
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return d;
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}
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// Render a code state's keyed tokens into codeEl as lines of inline-block .tok spans.
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function renderState(codeEl, state) {
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codeEl.textContent = "";
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var keyToEl = new Map();
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var line = lineDiv();
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codeEl.appendChild(line);
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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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line = lineDiv();
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codeEl.appendChild(line);
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continue;
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}
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var span = document.createElement("span");
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span.className = "tok";
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span.textContent = t.content;
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span.style.color = t.color;
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if (t.fontStyle & 1) span.style.fontStyle = "italic";
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if (t.fontStyle & 2) span.style.fontWeight = "700";
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line.appendChild(span);
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keyToEl.set(t.key, span);
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}
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var last = codeEl.lastChild;
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if (last && last.className === "line" && last.children.length === 0)
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codeEl.removeChild(last);
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return keyToEl;
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}
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function rectsOf(keyToEl) {
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var m = new Map();
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keyToEl.forEach(function (el, k) {
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var r = el.getBoundingClientRect();
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m.set(k, { left: r.left, top: r.top });
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});
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return m;
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}
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function makeScene(surface, withGutter) {
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var scene = document.createElement("div");
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scene.className = "scene";
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if (withGutter) {
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var g = document.createElement("div");
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g.className = "gutter";
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scene.appendChild(g);
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}
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var code = document.createElement("div");
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code.className = "code";
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scene.appendChild(code);
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surface.appendChild(scene);
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return { scene: scene, code: code, gutter: scene.querySelector(".gutter") };
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}
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function fillGutter(g, n) {
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var html = "";
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for (var i = 1; i <= n; i++) html += '<span class="ln">' + i + "</span>";
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g.innerHTML = html;
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}
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function splitLines(state) {
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var lines = [{ text: "", tokens: [] }];
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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({ text: "", tokens: [] });
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continue;
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}
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var cur = lines[lines.length - 1];
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cur.tokens.push(t);
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cur.text += t.content;
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}
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if (lines.length && lines[lines.length - 1].tokens.length === 0) lines.pop();
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return lines;
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}
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function lineDiff(a, b) {
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var n = a.length;
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var m = b.length;
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var dp = [];
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for (var i = 0; i <= n; i++) dp.push(new Array(m + 1).fill(0));
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for (var i = n - 1; i >= 0; i--) {
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for (var j = m - 1; j >= 0; j--) {
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dp[i][j] =
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a[i].text === b[j].text
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? dp[i + 1][j + 1] + 1
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: Math.max(dp[i + 1][j], dp[i][j + 1]);
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}
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}
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var ops = [];
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var i = 0;
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var j = 0;
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while (i < n && j < m) {
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if (a[i].text === b[j].text) {
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ops.push({ type: "same", line: b[j] });
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i++;
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j++;
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} else if (dp[i + 1][j] >= dp[i][j + 1]) {
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ops.push({ type: "del", line: a[i] });
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i++;
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} else {
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ops.push({ type: "add", line: b[j] });
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j++;
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}
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}
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while (i < n) ops.push({ type: "del", line: a[i++] });
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while (j < m) ops.push({ type: "add", line: b[j++] });
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return ops;
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}
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// ---- single-scene effect builders (fade in, play, hold to end) -------------
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var FADE = 0.45;
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function flight(tl, surface, states, start) {
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var FLY = 0.95;
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var STAGGER = 0.26;
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var GAP = 20;
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var parts = makeScene(surface, false);
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parts.code.remove();
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var scene = parts.scene;
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var target = document.createElement("div");
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target.className = "flight-target";
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scene.appendChild(target);
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var W = surface.clientWidth;
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var H = surface.clientHeight;
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var blocks = states.map(function (st) {
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var blk = document.createElement("div");
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blk.className = "flight-block";
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renderState(blk, st);
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scene.appendChild(blk);
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return blk;
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});
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var n = blocks.length;
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// Pass 1: measure natural size, then make every chip the SAME width (symmetry).
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var maxW = 0;
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var chipH = 0;
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blocks.forEach(function (blk) {
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var r = blk.getBoundingClientRect();
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if (r.width > maxW) maxW = r.width;
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if (r.height > chipH) chipH = r.height;
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});
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blocks.forEach(function (blk) {
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blk.style.width = maxW + "px";
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});
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// Pass 2: evenly-stacked, left-aligned, group centered in the surface.
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var stackH = n * chipH + (n - 1) * GAP;
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var destLeft = Math.round((W - maxW) / 2);
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var topY = Math.round((H - stackH) / 2);
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blocks.forEach(function (blk, i) {
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var destY = topY + i * (chipH + GAP);
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blk.style.left = destLeft + "px";
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blk.style.top = destY + "px";
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// fly straight in from the left to the shared left edge — clean, no skew
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var srcX = destLeft - W * 0.32;
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tl.fromTo(
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blk,
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{ x: srcX - destLeft, opacity: 0, scale: 0.96 },
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{ x: 0, opacity: 1, scale: 1, duration: FLY, ease: "power3.out" },
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start + FADE + i * STAGGER,
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);
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});
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// Even-padded panel tightly wrapping the uniform stack.
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var padX = 30;
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var padY = 24;
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target.style.left = destLeft - padX + "px";
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target.style.top = topY - padY + "px";
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target.style.width = maxW + padX * 2 + "px";
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target.style.height = stackH + padY * 2 + "px";
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var landAt = start + FADE + (n - 1) * STAGGER + FLY;
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tl.set(scene, { opacity: 1 }, 0);
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tl.to(target, { opacity: 1, duration: 0.5, ease: "power1.out" }, landAt - 0.5);
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}
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function buildEffect(tl, surface, spec) {
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var start = 0.45;
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var seq = T[spec.seq];
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if (spec.effect === "flight") flight(tl, surface, seq.states, start);
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}
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function go() {
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var spec = window.__BLOCK;
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var surface = document.getElementById("surface");
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var root = document.getElementById("root");
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window.__timelines = window.__timelines || {};
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var tl = gsap.timeline({ paused: true });
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window.__timelines["code-snippet-flight"] = tl; // register synchronously
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document.fonts.ready.then(function () {
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tl.from("#editor", { opacity: 0, scale: 0.985, duration: 0.5, ease: "power2.out" }, 0);
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buildEffect(tl, surface, spec);
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var dur = parseFloat(root.dataset.duration) || tl.duration();
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tl.to({}, { duration: dur }, 0); // pad to full composition length
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});
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}
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if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", go);
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else go();
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})();
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</script>
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</body>
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</html>
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