terrain | 参考地形区块。 |
boundsInTerrainSpace | 要编辑的地形空间中的区域。 |
extraBorderPixels | 所需的额外边框像素数量。 |
fillOutsideTerrain | Whether to fill empty space outside of Terrain tiles with data from the nearest tile. |
PaintContext 包含指定区域的组合高度贴图数据的 PaintContext。
Helper 函数,用于设置 PaintContext 来修改一个或多个地形区块的高度贴图。
BeginPaintHeightmap 标识位于边界矩形的 extraBorderPixels 中的所有高度贴图像素。
将在相邻的连接地形区块中搜索。
像素被收集到临时渲染纹理中并存储在 PaintContext.sourceRenderTexture 中。
调用此函数后,可以通过将新值写入到 PaintContext.destinationRenderTexture 中修改高度贴图。
然后,可以通过调用 TerrainPaintUtility.EndPaintHeightmap 将修改后的数据复制回地形区块,从而完成修改。
或者,也可以调用 TerrainPaintUtility.ReleaseContextResources 来释放 RenderTexture 资源,从而取消修改。
另请参阅:TerrainPaintUtility.EndPaintHeightmap 和 PaintContext。
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