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03-UnrealEngine/卡通渲染相关资料/渲染功能/ToonPostLightingPass/OutlinePass.md
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@ -108,7 +108,17 @@ FORCEINLINE FSceneTextures& GetActiveSceneTextures() { return ViewFamily.GetScen
- FSceneTextures& SceneTextures
# UE5.4的FScreenTransform计算
参考：VisualizeMotionVectors.cpp
- FScreenTransform::SvPositionToViewportUV(Output.ViewRect)：**SvPosition => ViewportUV**
- `FScreenTransform SvPositionToViewportUV = FScreenTransform::SvPositionToViewportUV(Output.ViewRect);`
- FScreenTransform::ViewportUVToScreenPos()：**ViewportUV => ScreenPos**
- FScreenTransform::ChangeTextureBasisFromTo()：坐标转换。比如下面的坐标是**ViewportUV => TextureUV**
- ```FScreenTransform::ChangeTextureBasisFromTo(Inputs.SceneColor, FScreenTransform::ETextureBasis::ViewportUV, FScreenTransform::ETextureBasis::TextureUV);```
- **SvPosition => ScreenPos**：SvPositionToViewportUV * FScreenTransform::ViewportUVToScreenPos
# OutlinePass
```
```