删除无用的html和图片
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横向瀑布流.html
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横向瀑布流.html
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
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<title>横向瀑布流 · 完美填满与呼吸间隙</title>
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<style>
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* { margin:0; padding:0; box-sizing:border-box; }
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body { background:#0f0f14; overflow:hidden; height:100vh; height:-webkit-fill-available; font-family:system-ui, -apple-system, sans-serif; }
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.scroll-container {
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position:fixed; top:0; left:0; width:100vw; height:100vh; height:-webkit-fill-available;
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overflow-x:auto; overflow-y:hidden; -webkit-overflow-scrolling:touch; cursor:grab;
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}
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.scroll-container:active { cursor:grabbing; }
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.scroll-container.dragging { cursor:grabbing; }
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.waterfall-inner { position:relative; height:100%; min-height:100%; }
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.card {
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position:absolute; border-radius:14px; overflow:hidden; cursor:pointer;
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transition: transform 0.25s, box-shadow 0.3s; will-change:transform;
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box-shadow:0 4px 18px rgba(0,0,0,0.35); border:1px solid rgba(255,255,255,0.06);
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background-size:cover; background-position:center;
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display:flex; flex-direction:column; justify-content:flex-end; align-items:center;
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}
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.card:active { transform:scale(0.96); }
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.card .pattern-layer { position:absolute; inset:0; opacity:0.25; pointer-events:none; }
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.card .likes {
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position:relative; z-index:1; color:white; font-weight:700; font-size:1rem;
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text-shadow:0 2px 6px rgba(0,0,0,0.7); margin-bottom:12px; user-select:none;
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}
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.header {
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position:fixed; top:0; left:0; right:0; z-index:100; padding:12px 18px;
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display:flex; align-items:center; justify-content:space-between;
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background:linear-gradient(180deg, rgba(15,15,20,0.95) 50%, rgba(15,15,20,0) 100%);
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pointer-events:none;
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}
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.header > * { pointer-events:auto; }
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.header-title { font-size:1.05rem; font-weight:700; color:#fff; display:flex; align-items:center; gap:8px; }
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.header-dot { width:9px; height:9px; border-radius:50%; background:#ff6b6b; animation:pulse 2s infinite; }
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@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(255,107,107,0.6)} 50%{box-shadow:0 0 0 12px rgba(255,107,107,0)} }
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.status { color:#ccc; font-size:0.8rem; }
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</style>
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</head>
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<body>
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<div class="header">
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<div class="header-title"><div class="header-dot"></div>灵感瀑布</div>
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<div class="status" id="statusText">自动滚动中</div>
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</div>
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<div class="scroll-container" id="scrollContainer">
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<div class="waterfall-inner" id="waterfallInner"></div>
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</div>
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<script>
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(() => {
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const container = document.getElementById('scrollContainer');
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const inner = document.getElementById('waterfallInner');
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const statusText = document.getElementById('statusText');
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// ---------- 布局引擎（带列间隙填充）----------
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class WaterfallLayout {
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constructor(containerHeight, unitHeight = 35, minGap = 10, jitter = 0.4) {
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this.containerHeight = containerHeight;
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this.unitHeight = unitHeight;
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this.minGap = minGap;
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this.jitter = jitter;
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this.recalcUnits();
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}
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recalcUnits() {
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this.unitCount = Math.max(4, Math.round(this.containerHeight / this.unitHeight));
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this.actualUnitHeight = this.containerHeight / this.unitCount;
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this.rowCurrentX = new Array(this.unitCount).fill(0);
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}
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// 分段高度
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computeHeights(allCards) {
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const n = allCards.length;
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if (n === 0) return new Map();
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const sortedLikes = [...allCards.map(c => c.likes)].sort((a,b)=>a-b);
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const heightMap = new Map();
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const perturbation = 0.08;
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for (const card of allCards) {
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let less = 0, equal = 0;
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for (const v of sortedLikes) {
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if (v < card.likes) less++;
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else if (v === card.likes) equal++;
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}
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const percentile = (less + equal * 0.5) / n;
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let ratio;
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if (percentile < 0.60) ratio = 0.25;
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else if (percentile < 0.85) ratio = 0.333;
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else if (percentile < 0.96) ratio = 0.5;
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else ratio = 1.0;
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const noise = 1 + (Math.random() - 0.5) * 2 * perturbation;
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let rawHeight = this.containerHeight * ratio * noise;
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rawHeight = Math.max(this.containerHeight * 0.22, Math.min(this.containerHeight, rawHeight));
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const units = Math.round(rawHeight / this.actualUnitHeight);
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const clampedUnits = Math.max(1, Math.min(units, this.unitCount));
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const finalHeight = clampedUnits * this.actualUnitHeight;
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heightMap.set(card.id, finalHeight);
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}
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return heightMap;
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}
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// 全量计算
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compute(cardsData) {
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this.rowCurrentX = new Array(this.unitCount).fill(0);
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const heightMap = this.computeHeights(cardsData);
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const rawCards = [];
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for (const card of cardsData) {
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const height = heightMap.get(card.id);
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const width = (height * 9) / 16;
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const units = Math.round(height / this.actualUnitHeight);
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const span = Math.max(1, Math.min(units, this.unitCount));
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let bestRow = 0, bestX = Infinity;
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for (let r = 0; r <= this.unitCount - span; r++) {
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let maxX = 0;
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for (let s = 0; s < span; s++) maxX = Math.max(maxX, this.rowCurrentX[r + s]);
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if (maxX < bestX) { bestX = maxX; bestRow = r; }
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}
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const left = bestX;
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const top = bestRow * this.actualUnitHeight;
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const gap = this.minGap + (Math.random() - 0.5) * this.minGap * this.jitter * 2;
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const newX = left + width + gap;
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for (let s = 0; s < span; s++) this.rowCurrentX[bestRow + s] = newX;
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rawCards.push({ ...card, left, top, width, height, spanUnits: span });
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}
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// 应用列间隙分布
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return this.applyColumnGaps(rawCards);
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}
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// 追加卡片并应用间隙
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addCards(newCards, allCardsSoFar) {
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const heightMap = this.computeHeights(allCardsSoFar);
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const rawCards = [];
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for (const card of newCards) {
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const height = heightMap.get(card.id);
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const width = (height * 9) / 16;
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const units = Math.round(height / this.actualUnitHeight);
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const span = Math.max(1, Math.min(units, this.unitCount));
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let bestRow = 0, bestX = Infinity;
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for (let r = 0; r <= this.unitCount - span; r++) {
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let maxX = 0;
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for (let s = 0; s < span; s++) maxX = Math.max(maxX, this.rowCurrentX[r + s]);
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if (maxX < bestX) { bestX = maxX; bestRow = r; }
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}
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const left = bestX;
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const top = bestRow * this.actualUnitHeight;
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const gap = this.minGap + (Math.random() - 0.5) * this.minGap * this.jitter * 2;
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const newX = left + width + gap;
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for (let s = 0; s < span; s++) this.rowCurrentX[bestRow + s] = newX;
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rawCards.push({ ...card, left, top, width, height, spanUnits: span });
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}
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return this.applyColumnGaps(rawCards);
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}
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// 核心：将每一列的剩余垂直空间随机分配为卡片间隙
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applyColumnGaps(cards) {
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if (cards.length === 0) return cards;
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// 按 left 聚类成列（同一列的卡片 left 几乎相同）
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const sorted = [...cards].sort((a,b) => a.left - b.left);
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const columns = [];
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let currentCol = [sorted[0]];
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for (let i = 1; i < sorted.length; i++) {
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const prev = currentCol[currentCol.length - 1];
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if (Math.abs(sorted[i].left - prev.left) < this.minGap * 2) {
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currentCol.push(sorted[i]);
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} else {
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columns.push(currentCol);
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currentCol = [sorted[i]];
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}
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}
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columns.push(currentCol);
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// 处理每一列
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for (const col of columns) {
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// 按 top 排序
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col.sort((a,b) => a.top - b.top);
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const sumHeight = col.reduce((s, c) => s + c.height, 0);
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const slack = this.containerHeight - sumHeight;
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if (slack <= 0) continue; // 已满或超出，保持原样
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const n = col.length;
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// 生成 n-1 个间隙（如果只有一张卡片，则将 slack 分配为顶部间隙？不，单卡片直接全高即可，无需间隙）
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if (n === 1) {
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// 单卡片：可稍微增加高度到容器高度，或者保持原高度在顶部，底部留白就无法避免。
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// 为了视觉一致，不改变单卡高度，但可以居中？为了简单，不做变动。
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continue;
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}
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// 生成 n-1 个随机权重，归一化使总和为 slack
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const rawWeights = Array.from({ length: n - 1 }, () => Math.random());
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const weightSum = rawWeights.reduce((a,b) => a + b, 0) || 1;
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const gaps = rawWeights.map(w => (w / weightSum) * slack);
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// 调整每张卡片的 top
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let currentTop = col[0].top;
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col[0].finalTop = currentTop;
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for (let i = 1; i < n; i++) {
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currentTop += col[i-1].height + gaps[i-1];
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col[i].finalTop = currentTop;
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}
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// 最后一张卡片底部：currentTop + lastCard.height 应等于 containerHeight
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// 为精确，可微调最后一个间隙
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}
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// 合并 finalTop 到卡片对象
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const updatedCards = cards.map(card => {
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const colCard = columns.flat().find(c => c.id === card.id);
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return {
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...card,
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top: colCard?.finalTop !== undefined ? colCard.finalTop : card.top,
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// 高度不变
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};
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});
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return updatedCards;
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}
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getTotalWidth() {
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return Math.max(...this.rowCurrentX) + this.minGap * 2;
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}
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}
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// ---------- 颜色/图案 ----------
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const palettes = [
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{ grad: 'linear-gradient(135deg, #2d1b69 0%, #4c1d95 50%, #5b21b6 100%)', acc: '#a78bfa' },
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{ grad: 'linear-gradient(135deg, #0c4a6e 0%, #0369a1 50%, #0284c7 100%)', acc: '#38bdf8' },
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{ grad: 'linear-gradient(135deg, #450a0a 0%, #991b1b 50%, #b91c1c 100%)', acc: '#f87171' },
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{ grad: 'linear-gradient(135deg, #064e3b 0%, #047857 50%, #059669 100%)', acc: '#4ade80' },
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{ grad: 'linear-gradient(135deg, #3b0764 0%, #6d28d9 50%, #7c3aed 100%)', acc: '#c084fc' },
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{ grad: 'linear-gradient(135deg, #78350f 0%, #b45309 50%, #d97706 100%)', acc: '#fbbf24' },
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{ grad: 'linear-gradient(135deg, #1e3a5f 0%, #1d4ed8 50%, #2563eb 100%)', acc: '#60a5fa' },
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{ grad: 'linear-gradient(135deg, #4a1942 0%, #9d174d 50%, #be185d 100%)', acc: '#f472b6' },
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];
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function randomPalette() { return palettes[Math.floor(Math.random() * palettes.length)]; }
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function patternSVG(acc, seed) {
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const op = '0.15';
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const shapes = ['circles','triangles','dots','waves'];
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const s = shapes[seed % shapes.length];
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if(s==='circles') return `<svg width="100%" height="100%" viewBox="0 0 200 150" preserveAspectRatio="none"><circle cx="30" cy="30" r="25" fill="none" stroke="${acc}" stroke-width="2" opacity="${op}"/><circle cx="160" cy="50" r="35" fill="none" stroke="${acc}" stroke-width="1.5" opacity="${op}"/><circle cx="80" cy="110" r="20" fill="none" stroke="${acc}" stroke-width="2" opacity="${op}"/></svg>`;
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if(s==='triangles') return `<svg width="100%" height="100%" viewBox="0 0 200 150" preserveAspectRatio="none"><polygon points="40,20 70,70 10,70" fill="none" stroke="${acc}" stroke-width="1.5" opacity="${op}"/><polygon points="150,30 180,80 120,80" fill="none" stroke="${acc}" stroke-width="1" opacity="${op}"/></svg>`;
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if(s==='dots') return `<svg width="100%" height="100%" viewBox="0 0 200 150" preserveAspectRatio="none"><circle cx="25" cy="25" r="3" fill="${acc}" opacity="${op}"/><circle cx="60" cy="40" r="2" fill="${acc}" opacity="${op}"/><circle cx="100" cy="20" r="4" fill="${acc}" opacity="${op}"/><circle cx="150" cy="55" r="2.5" fill="${acc}" opacity="${op}"/></svg>`;
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if(s==='waves') return `<svg width="100%" height="100%" viewBox="0 0 200 150" preserveAspectRatio="none"><path d="M0,60 Q50,30 100,60 Q150,90 200,60" fill="none" stroke="${acc}" stroke-width="2" opacity="${op}"/><path d="M0,90 Q50,70 100,90 Q150,110 200,90" fill="none" stroke="${acc}" stroke-width="1.5" opacity="${op}"/></svg>`;
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return '';
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}
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// ---------- 全局状态 ----------
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let allCards = [];
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let idCounter = 0;
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const layout = new WaterfallLayout(window.innerHeight - 80, 35, 10, 0.4);
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let autoScrollActive = true;
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const autoScrollSpeed = 1.2;
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let userInteracting = false;
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let interactionTimeout = null;
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const AUTO_RESUME_DELAY = 2500;
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function createCardElement(cardData) {
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const div = document.createElement('div');
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div.className = 'card';
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div.dataset.id = cardData.id;
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div.style.left = cardData.left + 'px';
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div.style.top = cardData.top + 'px';
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div.style.width = cardData.width + 'px';
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div.style.height = cardData.height + 'px';
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div.style.background = cardData.palette.grad;
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const pattern = document.createElement('div');
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pattern.className = 'pattern-layer';
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pattern.innerHTML = patternSVG(cardData.palette.acc, cardData.id);
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div.appendChild(pattern);
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const likesSpan = document.createElement('div');
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likesSpan.className = 'likes';
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likesSpan.textContent = '❤️ ' + cardData.likes;
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div.appendChild(likesSpan);
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return div;
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}
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function renderAllCards() {
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inner.innerHTML = '';
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const frag = document.createDocumentFragment();
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allCards.forEach(c => frag.appendChild(createCardElement(c)));
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inner.appendChild(frag);
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inner.style.width = layout.getTotalWidth() + 'px';
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}
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function updateCardDOM(cardData) {
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const el = document.querySelector(`.card[data-id="${cardData.id}"]`);
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if (!el) return;
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el.style.left = cardData.left + 'px';
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el.style.top = cardData.top + 'px';
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el.style.width = cardData.width + 'px';
|
|
||||||
el.style.height = cardData.height + 'px';
|
|
||||||
const likesEl = el.querySelector('.likes');
|
|
||||||
if (likesEl) likesEl.textContent = '❤️ ' + cardData.likes;
|
|
||||||
}
|
|
||||||
|
|
||||||
function generateBatch(count) {
|
|
||||||
const batch = [];
|
|
||||||
const minLikes = 20;
|
|
||||||
const maxLikes = 1800;
|
|
||||||
const alpha = 0.7;
|
|
||||||
for (let i = 0; i < count; i++) {
|
|
||||||
const u = Math.random();
|
|
||||||
const likes = Math.floor(minLikes + (maxLikes - minLikes) * Math.pow(1 - u, 1/alpha));
|
|
||||||
batch.push({ id: idCounter++, likes, palette: randomPalette() });
|
|
||||||
}
|
|
||||||
return batch;
|
|
||||||
}
|
|
||||||
|
|
||||||
function initLoad() {
|
|
||||||
const initialCards = generateBatch(50);
|
|
||||||
allCards = layout.compute(initialCards);
|
|
||||||
renderAllCards();
|
|
||||||
}
|
|
||||||
|
|
||||||
function appendMore(count = 35) {
|
|
||||||
const newCards = generateBatch(count);
|
|
||||||
const placed = layout.addCards(newCards, allCards);
|
|
||||||
allCards.push(...placed);
|
|
||||||
const frag = document.createDocumentFragment();
|
|
||||||
placed.forEach(c => frag.appendChild(createCardElement(c)));
|
|
||||||
inner.appendChild(frag);
|
|
||||||
inner.style.width = layout.getTotalWidth() + 'px';
|
|
||||||
|
|
||||||
const leftEdge = container.scrollLeft - 600;
|
|
||||||
allCards.forEach(c => {
|
|
||||||
if (c.left + c.width < leftEdge) {
|
|
||||||
const el = document.querySelector(`.card[data-id="${c.id}"]`);
|
|
||||||
if (el) el.remove();
|
|
||||||
}
|
|
||||||
});
|
|
||||||
if (allCards.length > 200) allCards = allCards.slice(-150);
|
|
||||||
}
|
|
||||||
|
|
||||||
function handleLike(cardId) {
|
|
||||||
const idx = allCards.findIndex(c => c.id == cardId);
|
|
||||||
if (idx === -1) return;
|
|
||||||
allCards[idx].likes += Math.floor(20 + Math.random() * 80);
|
|
||||||
const plainData = allCards.map(c => ({ id: c.id, likes: c.likes, palette: c.palette }));
|
|
||||||
const newLayout = layout.compute(plainData);
|
|
||||||
allCards = newLayout.map((c, i) => ({ ...c, palette: allCards[i].palette }));
|
|
||||||
allCards.forEach(c => updateCardDOM(c));
|
|
||||||
inner.style.width = layout.getTotalWidth() + 'px';
|
|
||||||
}
|
|
||||||
|
|
||||||
function autoScroll() {
|
|
||||||
if (!autoScrollActive || userInteracting) return;
|
|
||||||
container.scrollLeft += autoScrollSpeed;
|
|
||||||
const maxScroll = inner.scrollWidth - container.clientWidth;
|
|
||||||
if (container.scrollLeft >= maxScroll - 600) {
|
|
||||||
appendMore(35);
|
|
||||||
}
|
|
||||||
requestAnimationFrame(() => autoScroll());
|
|
||||||
}
|
|
||||||
|
|
||||||
function pauseAutoScroll() {
|
|
||||||
userInteracting = true;
|
|
||||||
statusText.textContent = '手动模式';
|
|
||||||
clearTimeout(interactionTimeout);
|
|
||||||
interactionTimeout = setTimeout(() => {
|
|
||||||
userInteracting = false;
|
|
||||||
autoScrollActive = true;
|
|
||||||
statusText.textContent = '自动滚动中';
|
|
||||||
}, AUTO_RESUME_DELAY);
|
|
||||||
}
|
|
||||||
|
|
||||||
container.addEventListener('wheel', (e) => {
|
|
||||||
if (Math.abs(e.deltaX) > Math.abs(e.deltaY)) return;
|
|
||||||
e.preventDefault();
|
|
||||||
container.scrollLeft += e.deltaY;
|
|
||||||
pauseAutoScroll();
|
|
||||||
}, { passive: false });
|
|
||||||
|
|
||||||
let dragging = false, startX, startScroll;
|
|
||||||
container.addEventListener('pointerdown', (e) => {
|
|
||||||
dragging = true;
|
|
||||||
startX = e.clientX;
|
|
||||||
startScroll = container.scrollLeft;
|
|
||||||
container.classList.add('dragging');
|
|
||||||
pauseAutoScroll();
|
|
||||||
});
|
|
||||||
window.addEventListener('pointermove', (e) => {
|
|
||||||
if (!dragging) return;
|
|
||||||
container.scrollLeft = startScroll + (startX - e.clientX);
|
|
||||||
});
|
|
||||||
window.addEventListener('pointerup', () => {
|
|
||||||
dragging = false;
|
|
||||||
container.classList.remove('dragging');
|
|
||||||
});
|
|
||||||
|
|
||||||
inner.addEventListener('click', (e) => {
|
|
||||||
const cardEl = e.target.closest('.card');
|
|
||||||
if (!cardEl) return;
|
|
||||||
const id = Number(cardEl.dataset.id);
|
|
||||||
handleLike(id);
|
|
||||||
pauseAutoScroll();
|
|
||||||
});
|
|
||||||
|
|
||||||
container.addEventListener('touchstart', () => pauseAutoScroll(), { passive: true });
|
|
||||||
|
|
||||||
window.addEventListener('resize', () => {
|
|
||||||
layout.containerHeight = window.innerHeight - 80;
|
|
||||||
layout.recalcUnits();
|
|
||||||
const plainData = allCards.map(c => ({ id: c.id, likes: c.likes, palette: c.palette }));
|
|
||||||
allCards = layout.compute(plainData);
|
|
||||||
renderAllCards();
|
|
||||||
});
|
|
||||||
|
|
||||||
initLoad();
|
|
||||||
autoScroll();
|
|
||||||
|
|
||||||
console.log('✨ 完美填满：随机垂直间隙分布，零底部留白');
|
|
||||||
})();
|
|
||||||
</script>
|
|
||||||
</body>
|
|
||||||
</html>
|
|
||||||
Loading…
Reference in New Issue
Block a user