wehub-resource-sync
85453da49f
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532 lines
16 KiB
HTML
Vendored
532 lines
16 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>Neon Accent</title>
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Montserrat:wght@800&display=swap"
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rel="stylesheet"
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/>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<style>
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*,
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*::before,
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*::after {
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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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margin: 0;
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overflow: hidden;
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background: #000000;
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font-family: "Montserrat", Arial, sans-serif;
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}
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#neon-accent {
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position: relative;
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: #000000;
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}
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#avatar-video {
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position: absolute;
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inset: 0;
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z-index: 1;
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.caption-layer {
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position: absolute;
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inset: 0;
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z-index: 20;
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pointer-events: none;
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transform: translateZ(0);
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}
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.safe-zone {
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position: absolute;
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bottom: 100px;
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left: 50%;
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transform: translateX(-50%);
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width: 1400px;
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height: 260px;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.caption-group {
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position: absolute;
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left: 0;
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top: 0;
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width: 1400px;
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height: 260px;
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display: flex;
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align-items: center;
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justify-content: center;
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opacity: 0;
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transform-origin: 50% 50%;
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will-change: transform;
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backface-visibility: hidden;
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}
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.caption-copy {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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max-width: 1400px;
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text-align: center;
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}
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.caption-line {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 16px;
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width: max-content;
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max-width: 1400px;
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line-height: 1.1;
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white-space: nowrap;
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}
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.caption-word {
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display: inline-block;
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color: #ffffff;
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font-family: "Montserrat", Arial, sans-serif;
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font-weight: 800;
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font-size: 88px;
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line-height: 1.1;
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letter-spacing: 0;
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text-transform: uppercase;
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}
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.caption-word.accent {
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font-size: 106px;
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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="neon-accent"
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data-composition-id="caption-neon-accent"
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data-start="0"
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data-duration="8"
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data-fps="30"
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data-width="1920"
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data-height="1080"
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>
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<video
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id="avatar-video"
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muted
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playsinline
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data-start="0"
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data-duration="8"
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data-track-index="0"
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data-has-audio="false"
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></video>
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<div class="caption-layer" aria-hidden="true">
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<div id="caption-stage" class="safe-zone"></div>
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</div>
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</div>
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<script>
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var DURATION = 8;
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var SAFE_ZONE_WIDTH = 1400;
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var BASE_FONT_SIZE = 88;
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var ACCENT_FONT_SIZE = 106;
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var MIN_FONT_SIZE = 62;
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var MAX_WORDS_PER_GROUP = 4;
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var WORD_SPACING = 16;
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var PAUSE_THRESHOLD = 0.1;
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var ENTRY_DURATION = 7 / 30;
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var WIGGLE_DISTANCE = 14;
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var WIGGLE_CYCLE = 2 / 1.3;
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var FONT_WIDTH_SAFETY = 1.14;
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var PRIMARY_COLOR = "#FFFFFF";
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var ACCENT_COLORS = ["#53FF01", "#FF0002", "#FCFF00"];
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var TRANSITION_WORDS = new Set([
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"the",
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"a",
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"an",
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"and",
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"or",
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"but",
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"is",
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"are",
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"was",
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"were",
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"to",
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"of",
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"in",
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"on",
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"at",
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"for",
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"with",
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"by",
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"from",
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"as",
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"it",
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"its",
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"this",
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"that",
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"these",
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"those",
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"be",
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"been",
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"have",
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"has",
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"had",
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"do",
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"does",
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"did",
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"will",
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"would",
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"could",
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"should",
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"may",
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"might",
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"must",
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"can",
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"if",
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"then",
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"so",
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"just",
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"not",
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"no",
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"yes",
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"up",
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"out",
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"about",
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"lets",
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"you",
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"write",
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"render",
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]);
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var KEYWORDS = new Set(["hyperframes", "html", "professional", "code", "cinema"]);
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var TRANSCRIPT = [
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{ text: "Every", start: 0.0, end: 0.3 },
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{ text: "great", start: 0.3, end: 0.55 },
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{ text: "video", start: 0.55, end: 0.85 },
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{ text: "starts", start: 0.85, end: 1.1 },
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{ text: "with", start: 1.1, end: 1.25 },
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{ text: "a", start: 1.25, end: 1.35 },
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{ text: "single", start: 1.35, end: 1.65 },
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{ text: "frame.", start: 1.65, end: 2.0 },
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{ text: "HyperFrames", start: 2.1, end: 2.65 },
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{ text: "lets", start: 2.65, end: 2.85 },
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{ text: "you", start: 2.85, end: 2.95 },
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{ text: "write", start: 2.95, end: 3.15 },
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{ text: "HTML", start: 3.15, end: 3.55 },
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{ text: "and", start: 3.55, end: 3.65 },
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{ text: "render", start: 3.65, end: 3.95 },
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{ text: "professional", start: 3.95, end: 4.45 },
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{ text: "video.", start: 4.45, end: 4.8 },
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{ text: "No", start: 4.9, end: 5.05 },
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{ text: "timeline.", start: 5.05, end: 5.45 },
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{ text: "No", start: 5.5, end: 5.65 },
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{ text: "drag", start: 5.65, end: 5.85 },
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{ text: "and", start: 5.85, end: 5.95 },
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{ text: "drop.", start: 5.95, end: 6.25 },
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{ text: "Just", start: 6.35, end: 6.55 },
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{ text: "code", start: 6.55, end: 6.8 },
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{ text: "that", start: 6.8, end: 6.95 },
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{ text: "becomes", start: 6.95, end: 7.3 },
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{ text: "cinema.", start: 7.3, end: 7.7 },
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];
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var _fitCanvas = document.createElement("canvas");
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var _fitCtx = _fitCanvas.getContext("2d");
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function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
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var size = baseFontSize;
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var minSize = Math.floor(baseFontSize * 0.45);
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while (size > minSize) {
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_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
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if (_fitCtx.measureText(text).width <= maxWidth) return size;
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size -= 2;
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}
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return minSize;
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}
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gsap.registerPlugin && gsap.registerPlugin();
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function cleanText(text) {
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return String(text || "").trim();
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}
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function normalizeWords(rawWords) {
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return rawWords
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.map(function (item) {
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return {
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text: cleanText(item.word || item.text),
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start: Math.max(0, Number(item.start) || 0),
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end: Math.min(DURATION, Math.max(Number(item.start) || 0, Number(item.end) || 0)),
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};
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})
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.filter(function (word) {
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return word.text.length > 0;
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});
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}
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var measureCanvas = document.createElement("canvas");
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var measureContext = measureCanvas.getContext("2d");
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function seededRandom(seed) {
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var x = Math.sin(seed * 9999) * 10000;
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return x - Math.floor(x);
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}
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function isKeyword(text) {
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return KEYWORDS.has(text.toLowerCase().replace(/[^a-z]/g, ""));
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}
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function assignWordColors(words, groupIndex) {
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return words.map(function (word) {
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if (isKeyword(word.text)) {
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var colorIndex = Math.floor(seededRandom(groupIndex * 23 + 7) * ACCENT_COLORS.length);
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return ACCENT_COLORS[colorIndex];
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}
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var clean = word.text.toLowerCase().replace(/[^a-z']/g, "");
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if (TRANSITION_WORDS.has(clean)) return PRIMARY_COLOR;
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var rand = seededRandom(groupIndex * 7 + words.indexOf(word));
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if (rand > 0.6) {
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var ci = Math.floor(rand * ACCENT_COLORS.length) % ACCENT_COLORS.length;
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return ACCENT_COLORS[ci];
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}
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return PRIMARY_COLOR;
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});
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}
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function measureWord(word, color, fontSize) {
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var size = color === PRIMARY_COLOR ? fontSize : fontSize * 1.2;
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measureContext.font = "800 " + size + "px Montserrat";
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return measureContext.measureText(word.text.toUpperCase()).width * FONT_WIDTH_SAFETY;
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}
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function measureLineWidth(words, colors, fontSize) {
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return words.reduce(function (total, word, index) {
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return (
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total +
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measureWord(word, colors[index] || PRIMARY_COLOR, fontSize) +
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(index ? WORD_SPACING : 0)
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);
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}, 0);
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}
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function splitLinesForGroup(words, colors, fontSize) {
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var maxLineWidth = SAFE_ZONE_WIDTH;
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if (
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words.some(function (word, i) {
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return measureWord(word, colors[i] || PRIMARY_COLOR, fontSize) > maxLineWidth;
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})
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)
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return null;
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if (measureLineWidth(words, colors, fontSize) <= maxLineWidth)
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return [{ words: words, colors: colors }];
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var best = null;
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var bestDiff = Infinity;
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for (var split = 1; split < words.length; split++) {
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var fw = words.slice(0, split),
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sw = words.slice(split);
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var fc = colors.slice(0, split),
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sc = colors.slice(split);
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var fW = measureLineWidth(fw, fc, fontSize);
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var sW = measureLineWidth(sw, sc, fontSize);
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if (fW <= maxLineWidth && sW <= maxLineWidth) {
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var diff = Math.abs(fW - sW);
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if (diff < bestDiff) {
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best = [
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{ words: fw, colors: fc },
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{ words: sw, colors: sc },
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];
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bestDiff = diff;
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}
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}
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}
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return best;
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}
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function makeGroups(words) {
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var groups = [];
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var current = [];
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words.forEach(function (word, index) {
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var nextWord = words[index + 1];
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var testGroup = current.concat([word]);
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var exceedsWords = testGroup.length > MAX_WORDS_PER_GROUP;
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var colors = assignWordColors(testGroup, groups.length);
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var exceedsFit = !splitLinesForGroup(testGroup, colors, BASE_FONT_SIZE);
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if (exceedsWords || exceedsFit) {
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if (current.length) groups.push(makeGroup(current, groups.length));
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current = [word];
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return;
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}
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current.push(word);
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var punctuation = /[,.:!?]$/.test(word.text);
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var pause = nextWord ? nextWord.start - word.end : 0;
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if (
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!nextWord ||
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punctuation ||
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pause >= PAUSE_THRESHOLD ||
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current.length >= MAX_WORDS_PER_GROUP
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) {
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groups.push(makeGroup(current, groups.length));
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current = [];
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}
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});
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if (current.length) groups.push(makeGroup(current, groups.length));
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return groups;
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}
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function makeGroup(words, groupIndex) {
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var colors = assignWordColors(words, groupIndex);
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var groupText = words
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.map(function (w) {
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return w.text.toUpperCase();
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})
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.join(" ");
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var fontSize = fitFontSize(groupText, BASE_FONT_SIZE, "800", "Montserrat", SAFE_ZONE_WIDTH);
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while (fontSize > MIN_FONT_SIZE && !splitLinesForGroup(words, colors, fontSize)) {
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fontSize -= 2;
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}
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return {
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words: words.slice(),
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colors: colors,
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fontSize: fontSize,
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lines: splitLinesForGroup(words, colors, fontSize) || [{ words: words, colors: colors }],
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start: words[0].start,
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end: words[words.length - 1].end,
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};
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}
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function shadowForColor(color) {
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var hex = color.replace("#", "");
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var r = parseInt(hex.slice(0, 2), 16);
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var g = parseInt(hex.slice(2, 4), 16);
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var b = parseInt(hex.slice(4, 6), 16);
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var glow =
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"0 0 4px rgba(" +
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r +
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"," +
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g +
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"," +
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b +
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",1), 0 0 10px rgba(" +
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r +
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"," +
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g +
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"," +
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b +
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",0.9), 0 0 20px rgba(" +
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r +
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"," +
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g +
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"," +
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b +
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",0.7), 0 0 40px rgba(" +
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r +
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"," +
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g +
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"," +
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b +
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",0.4)";
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return "0 8px 16px rgba(0,0,0,0.8), 0 16px 40px rgba(0,0,0,0.6), " + glow;
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}
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function buildCaptions(groups) {
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var stage = document.getElementById("caption-stage");
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groups.forEach(function (group, groupIndex) {
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var groupEl = document.createElement("div");
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var copyEl = document.createElement("div");
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groupEl.id = "caption-group-" + groupIndex;
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groupEl.className = "caption-group";
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copyEl.className = "caption-copy";
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group.lines.slice(0, 2).forEach(function (line) {
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var lineEl = document.createElement("div");
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lineEl.className = "caption-line";
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line.words.forEach(function (word, wordIndex) {
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var color = line.colors[wordIndex] || PRIMARY_COLOR;
|
|
var wordEl = document.createElement("span");
|
|
wordEl.className = color === PRIMARY_COLOR ? "caption-word" : "caption-word accent";
|
|
wordEl.textContent = word.text.toUpperCase();
|
|
wordEl.style.color = color;
|
|
wordEl.style.fontSize =
|
|
color === PRIMARY_COLOR ? group.fontSize + "px" : group.fontSize * 1.2 + "px";
|
|
wordEl.style.textShadow = shadowForColor(color);
|
|
lineEl.appendChild(wordEl);
|
|
});
|
|
copyEl.appendChild(lineEl);
|
|
});
|
|
groupEl.appendChild(copyEl);
|
|
stage.appendChild(groupEl);
|
|
});
|
|
}
|
|
|
|
var WORDS = normalizeWords(TRANSCRIPT);
|
|
var GROUPS = makeGroups(WORDS);
|
|
buildCaptions(GROUPS);
|
|
|
|
window.__timelines = window.__timelines || {};
|
|
var tl = gsap.timeline({ paused: true });
|
|
|
|
var visibleStarts = GROUPS.map(function (group, groupIndex) {
|
|
var prev = GROUPS[groupIndex - 1];
|
|
var availableGap = prev ? Math.max(0, group.start - prev.end) : ENTRY_DURATION;
|
|
var entryLead = Math.min(ENTRY_DURATION, availableGap);
|
|
return Math.max(0, group.start - entryLead);
|
|
});
|
|
|
|
var allGroupEls = GROUPS.map(function (_, i) {
|
|
return document.getElementById("caption-group-" + i);
|
|
});
|
|
|
|
GROUPS.forEach(function (group, groupIndex) {
|
|
var groupEl = allGroupEls[groupIndex];
|
|
var visibleStart = visibleStarts[groupIndex];
|
|
var visibleEnd = groupIndex < GROUPS.length - 1 ? visibleStarts[groupIndex + 1] : DURATION;
|
|
var direction = groupIndex % 2 === 0 ? -1 : 1;
|
|
var D = WIGGLE_DISTANCE * direction;
|
|
var wiggleCycles = Math.max(1, Math.ceil((visibleEnd - visibleStart) / WIGGLE_CYCLE));
|
|
|
|
allGroupEls.forEach(function (otherEl, otherIndex) {
|
|
if (otherIndex !== groupIndex) tl.set(otherEl, { opacity: 0 }, visibleStart);
|
|
});
|
|
|
|
tl.set(groupEl, { opacity: 0, scale: 0.65, x: 0, y: 0 }, visibleStart);
|
|
tl.to(
|
|
groupEl,
|
|
{ opacity: 1, scale: 1, duration: ENTRY_DURATION, ease: "power3.out", force3D: true },
|
|
visibleStart,
|
|
);
|
|
tl.to(
|
|
groupEl,
|
|
{
|
|
x: D,
|
|
y: D,
|
|
duration: WIGGLE_CYCLE / 2,
|
|
ease: "sine.inOut",
|
|
yoyo: true,
|
|
repeat: Math.max(0, wiggleCycles * 2 - 1),
|
|
force3D: true,
|
|
},
|
|
visibleStart,
|
|
);
|
|
tl.set(groupEl, { opacity: 0 }, visibleEnd);
|
|
});
|
|
|
|
window.__timelines["caption-neon-accent"] = tl;
|
|
</script>
|
|
</body>
|
|
</html>
|