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yinsx
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# 模型热更新与材质切换
## 模型热加载 / 销毁 / 替换
```ts
// 加载
await sdk.model.load({ id: 'car', url: '/models/car.glb', draco: true })
// 销毁
await sdk.model.destroy('car')
// 替换(内部自动销毁旧实例并加载新实例)
await sdk.model.replace('car', { url: '/models/car-white.glb' })
```
监听状态:
```ts
sdk.model.on('loaded', handler)
sdk.model.on('replaced', handler)
sdk.model.on('destroyed', handler)
```
## 材质切换
```ts
// 应用材质预设
sdk.material.apply({
target: 'body', // 部件或分组名称
material: 'paint/blue', // 预设 Key
})
// 批量切换
sdk.material.batch([
{ target: 'wheel', material: 'rim/chrome' },
{ target: 'glass', material: 'glass/clear' },
])
// 还原默认材质
sdk.material.reset('body')
```