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1. 新增功能概述 功能名称 :场景快照与回放系统( useSnapshot Hook + <SnapshotPlayer> 组件) 核心能力 : - 一键捕获 3D 场景任意时刻的完整状态(相机位置、物体变换、材质属性、动画状态等) - 支持在多个快照之间快速切换和对比 - 支持导出/导入快照配置(JSON 格式) - 支持录制简单动画序列并回放 - 提供时间轴控制面板,支持关键帧编辑 2. 需求背景 2.1 现存痛点分析 痛点一:调试效率低下 在复杂 3D 场景开发中,当发现一个 bug 时,往往需要重复操作才能复现特定状态。相机位置、物体旋转、动画进度等多维参数组合使得手动复现成本极高。 痛点二:设计迭代困难 3D 设计师想要尝试不同的材质、光照、布局方案时,缺乏便捷的"版本控制"机制,难以在多个方案间快速切换对比。 痛点三:动画创作门槛高 创建简单的 3D 演示动画往往需要引入复杂的动画库(如 react-spring、framer-motion-3d)或时间轴工具,学习曲线陡峭。 技术栈限制:Three.js
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在复杂 3D 场景开发中,当发现一个 bug 时,往往需要重复操作才能复现特定状态。相机位置、物体旋转、动画进度等多维参数组合使得手动复现成本极高。
痛点二:设计迭代困难
3D 设计师想要尝试不同的材质、光照、布局方案时,缺乏便捷的"版本控制"机制,难以在多个方案间快速切换对比。
痛点三:动画创作门槛高
创建简单的 3D 演示动画往往需要引入复杂的动画库(如 react-spring、framer-motion-3d)或时间轴工具,学习曲线陡峭。
技术栈限制:Three.js