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CloseterrainSource | A function that returns the Texture data to collect from each Terrain. |
defaultColor | The default color for sourceRenderTexture . |
blitMaterial | The material used to copy the data. If null, the default blit material is used. |
blitPass | The material pass used to copy the data. |
beforeBlit | An optional action to call before copying from each Terrain. The default is null. |
afterBlit | An optional action to call after copying from each Terrain. The default is null. |
Gathers user-specified Texture data into sourceRenderTexture
.
This function collects Texture data from all Terrain tiles in the PaintContext, and merges that data into sourceRenderTexture
.
The terrainSource
function specifies what data to collect from each Terrain.
Gather assumes that the Texture data, which terrainSource
returns, is mapped over the Terrain tile in a manner similar to the Heightmap and Alphamaps.
First, the function clears sourceRenderTexture
to defaultColor
.
Then, it uses the following steps to gather each Terrain in the PaintContext:
1) Calls terrainSource
to retrieve the Texture.
2) Calls beforeBlit
.
3) Uses blitMaterial
and blitPass
to copy The Texture into sourceRenderTexture
.
4) Calls afterBlit
.
Additional resources: PaintContext, PaintContext.Scatter.
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