vue3+html2canvas+interact实现类似剪影的可视化拖拽时间轴轨道视频动画制作代码-html代码-BFW代码库

代码语言：html

所属分类：多媒体

代码描述：vue3+html2canvas+interact实现类似剪影的可视化拖拽时间轴视频动画制作代码，可拖拽svg、图片、文字、及声音到轨道上，可设置元素属性及入场出场动画，可拖拽设置持续时间，最终可预览视频动画效果，导出json格式的时间轴轨道数据。

代码标签： vue3 html2canvas interact 类似剪影可视化拖拽时间轴视频动画制

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>简易动画剪辑器</title>
  <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/interact.js/1.10.17/interact.min.js"></script>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
  <style>
    :root {
      --primary-color: #4361ee;
      --secondary-color: #3f37c9;
      --background-color: #f8f9fa;
      --timeline-bg: #e9ecef;
      --track-bg: #dee2e6;
      --clip-bg: #4361ee;
      --clip-border: #3a0ca3;
      --text-color: #212529;
      --error-color: #dc3545;
      --track-label-width: 100px; /* Define as CSS variable for consistency */
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    
    body {
      background-color: var(--background-color);
      color: var(--text-color);
      height: 100vh;
      display: flex;
      flex-direction: column;
    }
    
    .app-container {
      display: flex;
      flex-direction: column;
      height: 100vh;
      overflow: hidden;
    }
    
    .top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 20px;
      background-color: var(--primary-color);
      color: white;
    }
    
    .logo {
      font-size: 1.5rem;
      font-weight: bold;
    }
    
    .actions button {
      background-color: var(--secondary-color);
      color: white;
      border: none;
      border-radius: 4px;
      padding: 8px 15px;
      margin-left: 10px;
      cursor: pointer;
      transition: background-color 0.2s;
    }
    
    .actions button:hover {
      background-color: #2a0f8a;
    }
    
    .main-content {
      display: flex;
      flex: 1;
      overflow: hidden;
    }
    
    .elements-panel {
      width: 250px;
      background-color: white;
      border-right: 1px solid #ddd;
      padding: 15px;
      overflow-y: auto;
    }
    
    .panel-title {
      margin-bottom: 15px;
      font-size: 1.1rem;
      font-weight: bold;
    }
    
    .element-item {
      padding: 10px;
      margin-bottom: 8px;
      background-color: #f1f3f5;
      border-radius: 4px;
      cursor: move;
      transition: background-color 0.2s;
      user-select: none;
    }
    
    .element-item:hover {
      background-color: #e9ecef;
    }
    
    .element-item i {
      margin-right: 8px;
    }
    
    .preview-area {
      flex: 1;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }
    
    .preview-canvas {
      flex: 1;
      background-color: #333;
      position: relative;
      overflow: hidden;
    }
    
    .canvas-container {
      width: 720px;
      height: 405px;
      background-color: #000;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      overflow: hidden;
    }
    
    .canvas-element {
      position: absolute;
      cursor: move;
      user-select: none;
      border: 2px solid transparent;
    }
    
    .canvas-element.selected {
      border: 2px solid #f00;
    }
    
    .canvas-element.text {
      min-width: 100px;
      min-height: 40px;
      padding: 5px;
      color: white;
      font-size: 20px;
    }
    
    .canvas-element.image, .canvas-element.svg {
      min-width: 100px;
      min-height: 100px;
    }
    
    .timeline-panel {
      height: 250px;
      background-color: var(--timeline-bg);
      border-top: 1px solid #ccc;
      display: flex;
      flex-direction: column;
    }
    
    .timeline-controls {
      display: flex;
      align-items: center;
      padding: 10px;
      border-bottom: 1px solid #ccc;
    }
    
    .timeline-controls button {
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: 4px;
      padding: 5px 10px;
      margin-right: 10px;
      cursor: pointer;
    }
    
    .timeline-controls button:hover {
      background-color: var(--secondary-color);
    }
    
    .timeline-controls .time-display {
      margin-left: auto;
      font-family: monospace;
      font-size: 1.1rem;
    }
    
    .timeline-area {
      flex: 1;
      display: flex; /* Changed from block to flex */
      overflow-x: auto;
      position: relative;
    }
    
    .timeline-tracks { /* This will contain markers and all tracks */
      flex: 1;
      display: flex;
      flex-direction: column;
      position: relative; /* Important for absolute positioning of playhead and markers */
      /* min-width needs to be dynamic or large enough to accommodate totalDuration */
    }
    
    .time-markers {
      height: 20px;
      background-color: #d8d8d8;
      position: sticky; /* Sticky to the top of timeline-tracks */
      top: 0;
      z-index: 2;
      display: flex; /* Not strictly necessary, markers are absolute */
      border-bottom: 1px solid #aaa;
      width: 100%; /* Ensure it spans full width */
    }
    
    .time-marker {
      position: absolute;
      font-size: 10px;
      color: #333;
      text-align: center;
      border-left: 1px solid #aaa;
      height: 20px; 
      display: flex;
      align-items: flex-end;
      justify-content: center;
      padding-bottom: 2px;
      /* width will be set by pixelsPerSecond or major tick logic */
    }
    
    .playhead {
      position: absolute;
      top: 0; /* Covers markers and tracks */
      height: 100%;
      width: 2px;
      background-color: red;
      z-index: 3;
      pointer-events: none;
    }
    
    .track {
      height: 60px;
      background-color: var(--track-bg);
      border-bottom: 1px solid #ccc;
      position: relative;
      display: flex; /* To align track-label and track-clips-area */
    }
    
    .track-label {
      width: var(--track-label-width);
      min-width: var(--track-label-width); /* Prevent shrinking */
      height: 100%;
      background-color: #d0d0d0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-right: 1px solid #aaa;
      position: sticky;
      left: 0;
      z-index: 1; /* Above track clips but below timeline markers/playhead if they overlap */
    }

    .track-clips-area { /* Container for clips within a track, after the label */
        position: relative; /* Clips will be positioned relative to this */
        height: 100%;
        flex-grow: 1; /* Takes up remaining space in the track */
        /* Left padding of track-label-width is handled by JS logic now */
    }
    
    .clip {
      position: absolute;
      height: 50px;
      top: 5px;
      background-color: var(--clip-bg);
      border: 1px solid var(--clip-border);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 12px;
      overflow: hidden;
      cursor: move;
      user-select: none;
      padding: 0 10px; 
      box-sizing: border-box;
    }
    
    .clip.conflict {
      border: 2px solid var(--error-color);
      background-color: rgba(220, 53, 69, 0.7);
    }
    
    .clip .handle-left, .clip .handle-right {
      position: absolute;
      top: 0;
      width: 8px;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.2);
      cursor: ew-resize;
      z-index: 1; 
    }
    
    .clip .handle-left {
      left: 0;
    }
    
    .clip .handle-right {
      right: 0;
    }
    
    .toast-message {
      position: fixed;
      top: 20px;
      right: 20px;
      background-color: var(--error-color);
      color: white;
      padding: 10px 15px;
      border-radius: 4px;
      z-index: 1000;
      animation: fadeOut 3s forwards;
      max-width: 300px;
    }
    
    @keyframes fadeOut {
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