terrainIndex | 地形的索引。 |
Terrain 返回地形对象。
从 PaintContext 检索地形。
跨边框进行绘制时,PaintContext 可以引用多个地形瓦片。 GetTerrain 用于访问这些地形瓦片。 terrainIndex 必须在 0 到 PaintContext.terrainCount - 1 之间。 另请参阅:PaintContext.GetClippedPixelRectInTerrainPixels 和 PaintContext.GetClippedPixelRectInRenderTexturePixels。
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