sanbuphy
0eba9e87e9
- Disable formatting rules (handled by Prettier) - Relaxed strict Vue/JS rules for demo code compatibility - Fix syntax errors in ApiPlayground and VoiceCloningDemo - Fix duplicate else-if condition in ApiPlayground - Fix Promise executor async pattern in AutoregressiveAudioDemo - Add TypeScript file support to ESLint config Warnings reduced from 295 to 251 problems. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
521 lines
12 KiB
Vue
521 lines
12 KiB
Vue
<template>
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<div class="attn-demo">
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<div class="header">
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<div class="title">
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Self-Attention Mechanism
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</div>
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<div class="subtitle">
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自注意力机制：全局信息交互
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</div>
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</div>
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<div class="visual-stage">
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<!-- Grid Layout -->
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<div
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class="grid-container"
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@mouseleave="hoverIndex = -1"
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>
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<!-- SVG Layer for Connection Lines -->
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<svg class="connections-layer">
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<defs>
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<marker
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id="arrowhead"
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markerWidth="6"
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markerHeight="4"
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refX="18"
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refY="2"
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orient="auto"
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>
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<polygon
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points="0 0, 6 2, 0 4"
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fill="var(--vp-c-brand)"
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opacity="0.6"
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/>
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</marker>
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</defs>
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<!-- Draw lines from hoverIndex to ALL other nodes -->
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<g v-if="hoverIndex !== -1">
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<line
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v-for="(target, tIndex) in items"
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v-show="tIndex !== hoverIndex"
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:key="tIndex"
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:x1="getCenter(hoverIndex).x"
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:y1="getCenter(hoverIndex).y"
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:x2="getCenter(tIndex).x"
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:y2="getCenter(tIndex).y"
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:stroke="getLineColor(hoverIndex, tIndex)"
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:stroke-width="getLineWidth(hoverIndex, tIndex)"
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stroke-linecap="round"
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:opacity="getLineOpacity(hoverIndex, tIndex)"
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/>
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</g>
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</svg>
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<!-- Cells -->
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<div
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v-for="(item, index) in items"
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:key="index"
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class="grid-cell"
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:class="{
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'is-source': hoverIndex === index,
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'is-target': hoverIndex !== -1 && hoverIndex !== index,
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'is-strong-attn':
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hoverIndex !== -1 && getAttentionScore(hoverIndex, index) > 0.5
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}"
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:style="{
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left: getCenter(index).x - 30 + 'px',
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top: getCenter(index).y - 30 + 'px'
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}"
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@mouseenter="hoverIndex = index"
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>
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<div class="cell-content">
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<span class="cell-icon">{{ item.icon }}</span>
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<span class="cell-label">{{ item.label }}</span>
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</div>
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<!-- Attention Score Badge -->
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<div
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v-if="hoverIndex !== -1 && hoverIndex !== index"
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class="attn-badge"
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:style="{
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opacity: Math.max(0.3, getAttentionScore(hoverIndex, index))
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}"
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>
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{{ (getAttentionScore(hoverIndex, index) * 100).toFixed(0) }}%
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</div>
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</div>
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</div>
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<!-- Info Panel -->
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<div class="info-panel">
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<div
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v-if="hoverIndex === -1"
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class="placeholder-text"
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>
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<span class="cursor-icon">👆</span>
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把鼠标悬停在任意方块上，<br>观察它在"关注"谁
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</div>
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<div
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v-else
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class="active-info"
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>
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<div class="source-info">
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<span class="label">当前 Patch:</span>
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<div class="patch-tag">
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{{ items[hoverIndex].icon }} {{ items[hoverIndex].label }}
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</div>
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</div>
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<div class="attn-list">
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<div class="list-header">
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Attention Weights (注意力权重)
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</div>
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<div
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v-for="(score, idx) in getTopAttentions(hoverIndex)"
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:key="idx"
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class="attn-item"
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>
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<div class="item-left">
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<span class="item-icon">{{ items[idx].icon }}</span>
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<span class="item-name">{{ items[idx].label }}</span>
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</div>
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<div class="item-right">
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<div class="progress-bar">
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<div
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class="progress-fill"
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:style="{ width: score * 100 + '%' }"
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/>
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</div>
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<span class="score-text">{{ (score * 100).toFixed(0) }}%</span>
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</div>
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</div>
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</div>
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<div class="insight-box">
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<span class="bulb">💡</span>
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<span class="insight-text">
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{{ getInsightText(hoverIndex) }}
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</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref } from 'vue'
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const hoverIndex = ref(-1)
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// 3x3 Grid Data (Cat in grass)
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const items = [
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{ icon: '🌿', label: '草地' }, // 0
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{ icon: '🌿', label: '草地' }, // 1
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{ icon: '🦋', label: '蝴蝶' }, // 2
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{ icon: '🌿', label: '草地' }, // 3
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{ icon: '🐱', label: '猫头' }, // 4
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{ icon: '🌿', label: '草地' }, // 5
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{ icon: '🧶', label: '毛球' }, // 6
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{ icon: '🐾', label: '猫爪' }, // 7
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{ icon: '🌿', label: '草地' } // 8
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]
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// Layout Logic
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const getCenter = (index) => {
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const row = Math.floor(index / 3)
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const col = index % 3
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const gap = 100
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const offsetX = 50
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const offsetY = 50
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return {
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x: col * gap + offsetX,
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y: row * gap + offsetY
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}
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}
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// Attention Logic
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const getAttentionScore = (source, target) => {
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if (source === target) return 0
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// Cat Head (4) attends strongly to:
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if (source === 4) {
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if (target === 7) return 0.95 // Paws (Body parts connected)
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if (target === 2) return 0.8 // Butterfly (Interest)
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if (target === 6) return 0.6 // Yarn (Toy)
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return 0.1 // Background
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}
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// Cat Paws (7) attends strongly to:
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if (source === 7) {
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if (target === 4) return 0.95 // Head
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if (target === 6) return 0.9 // Yarn (Touching)
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return 0.1
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}
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// Butterfly (2)
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if (source === 2) {
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if (target === 4) return 0.7 // Danger?
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return 0.2
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}
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// Grass (Background)
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// Background patches attend to each other for texture consistency
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const bgIndices = [0, 1, 3, 5, 8]
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if (bgIndices.includes(source)) {
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if (bgIndices.includes(target)) return 0.6
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return 0.05
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}
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// Default fallback
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return 0.1
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}
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const getLineColor = (source, target) => {
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const score = getAttentionScore(source, target)
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return score > 0.5 ? 'var(--vp-c-brand)' : 'var(--vp-c-text-3)'
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}
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const getLineWidth = (source, target) => {
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const score = getAttentionScore(source, target)
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return 1 + score * 4
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}
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const getLineOpacity = (source, target) => {
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const score = getAttentionScore(source, target)
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return 0.2 + score * 0.8
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}
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const getTopAttentions = (source) => {
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const scores = {}
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items.forEach((_, idx) => {
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if (idx !== source) {
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scores[idx] = getAttentionScore(source, idx)
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}
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})
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// Sort descending
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const sortedKeys = Object.keys(scores).sort((a, b) => scores[b] - scores[a])
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const top3 = {}
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sortedKeys.slice(0, 3).forEach((key) => {
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top3[key] = scores[key]
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})
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return top3
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}
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const getInsightText = (idx) => {
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if (idx === 4) return '猫头最关注猫爪（组成身体）和蝴蝶（捕猎目标）。'
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if (idx === 7) return '猫爪最关注毛球（正在玩耍）和猫头。'
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if (idx === 2) return '蝴蝶关注到了猫，可能是因为它是个威胁。'
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if ([0, 1, 3, 5, 8].includes(idx))
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return '草地主要关注周围的草地，确认背景纹理。'
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if (idx === 6) return '毛球和猫爪有很强的互动关系。'
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return 'Self-Attention 让每个部分找到它的上下文关联。'
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}
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</script>
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<style scoped>
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.attn-demo {
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background: var(--vp-c-bg-soft);
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border: 1px solid var(--vp-c-divider);
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border-radius: 12px;
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padding: 24px;
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margin: 20px 0;
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user-select: none;
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font-family: 'Menlo', 'Monaco', sans-serif;
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}
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.header {
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text-align: center;
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margin-bottom: 30px;
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}
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.title {
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font-size: 16px;
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font-weight: bold;
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color: var(--vp-c-text-1);
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}
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.subtitle {
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font-size: 12px;
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color: var(--vp-c-text-2);
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margin-top: 4px;
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}
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.visual-stage {
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display: flex;
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gap: 40px;
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justify-content: center;
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align-items: flex-start;
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flex-wrap: wrap;
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}
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/* Grid Area */
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.grid-container {
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width: 300px;
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height: 300px;
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position: relative;
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/* background: rgba(0,0,0,0.02); */
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border-radius: 12px;
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}
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.connections-layer {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 1;
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pointer-events: none;
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}
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.grid-cell {
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position: absolute;
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width: 60px;
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height: 60px;
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background: var(--vp-c-bg);
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border: 2px solid var(--vp-c-divider);
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border-radius: 12px;
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display: flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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z-index: 2;
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transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
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}
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.cell-content {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.cell-icon {
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font-size: 24px;
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line-height: 1.2;
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}
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.cell-label {
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font-size: 10px;
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color: var(--vp-c-text-2);
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font-weight: bold;
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}
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/* Interaction States */
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.grid-cell:hover,
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.grid-cell.is-source {
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z-index: 10;
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border-color: var(--vp-c-brand);
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background: var(--vp-c-bg);
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transform: scale(1.15);
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box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
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}
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.grid-cell.is-strong-attn {
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border-color: var(--vp-c-brand-light);
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background: var(--vp-c-brand-dimm);
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}
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.attn-badge {
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position: absolute;
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top: -8px;
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right: -8px;
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background: var(--vp-c-brand);
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color: white;
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font-size: 9px;
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padding: 2px 6px;
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border-radius: 10px;
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font-weight: bold;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
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}
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/* Info Panel */
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.info-panel {
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width: 280px;
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min-height: 260px;
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background: var(--vp-c-bg);
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border: 1px solid var(--vp-c-divider);
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border-radius: 12px;
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padding: 20px;
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display: flex;
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flex-direction: column;
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justify-content: center;
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}
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.placeholder-text {
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text-align: center;
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color: var(--vp-c-text-3);
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font-size: 13px;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 10px;
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}
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.cursor-icon {
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font-size: 32px;
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animation: bounce 2s infinite;
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}
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.source-info {
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display: flex;
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align-items: center;
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gap: 10px;
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margin-bottom: 20px;
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padding-bottom: 15px;
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border-bottom: 1px dashed var(--vp-c-divider);
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}
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.label {
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font-size: 12px;
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color: var(--vp-c-text-2);
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}
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.patch-tag {
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background: var(--vp-c-brand-dimm);
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color: var(--vp-c-brand-dark);
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padding: 4px 12px;
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border-radius: 6px;
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font-size: 13px;
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font-weight: bold;
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}
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.list-header {
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font-size: 11px;
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color: var(--vp-c-text-3);
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text-transform: uppercase;
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margin-bottom: 10px;
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letter-spacing: 0.5px;
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}
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.attn-item {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 12px;
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}
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.item-left {
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display: flex;
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align-items: center;
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gap: 8px;
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width: 80px;
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}
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.item-icon {
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font-size: 16px;
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}
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.item-name {
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font-size: 12px;
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font-weight: 500;
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}
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.item-right {
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flex: 1;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.progress-bar {
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flex: 1;
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height: 6px;
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background: var(--vp-c-bg-soft);
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border-radius: 3px;
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overflow: hidden;
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}
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.progress-fill {
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height: 100%;
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background: var(--vp-c-brand);
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border-radius: 3px;
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}
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.score-text {
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font-size: 11px;
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color: var(--vp-c-text-2);
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width: 30px;
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text-align: right;
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font-family: monospace;
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}
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.insight-box {
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margin-top: 15px;
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background: var(--vp-c-yellow-dimm);
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padding: 10px;
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border-radius: 6px;
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display: flex;
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gap: 8px;
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align-items: flex-start;
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}
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.bulb {
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font-size: 16px;
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}
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.insight-text {
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font-size: 12px;
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color: var(--vp-c-text-1);
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line-height: 1.4;
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}
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@keyframes bounce {
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0%,
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100% {
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transform: translateY(0);
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}
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50% {
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transform: translateY(-5px);
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}
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}
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@media (max-width: 768px) {
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.visual-stage {
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flex-direction: column;
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align-items: center;
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}
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.info-panel {
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width: 100%;
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min-height: auto;
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}
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}
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</style>
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