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Closeterrain | Reference Terrain tile. |
inputLayer | Selects the alphamap to paint. |
boundsInTerrainSpace | The region in terrain space to edit. |
extraBorderPixels | Number of extra border pixels required. |
fillOutsideTerrain | Whether to fill empty space outside of Terrain tiles with data from the nearest tile. |
PaintContext PaintContext containing the combined alphamap data for the specified region.
Helper function to set up a PaintContext for modifying the alphamap of one or more Terrain tiles.
BeginPaintTexture identifies all of the alphamap pixels that are within extraBorderPixels
of the bounds rectangle.
The search is performed across adjacent connected Terrain tiles.
The pixels are collected into a temporary render texture and stored in PaintContext.sourceRenderTexture.
After calling this function, you may modify the alphamap by writing the new values into PaintContext.destinationRenderTexture.
Then, you may complete the modification by calling TerrainPaintUtility.EndPaintTexture to copy the modified data back to the Terrain tiles.
Alteratively, you may cancel the modification by calling TerrainPaintUtility.ReleaseContextResources to release the RenderTexture resources.
Additional resources: TerrainPaintUtility.EndPaintTexture and PaintContext.
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