Sets the tile's normal map texture.
Note: Godot expects the normal map to use X+, Y-, and Z+ coordinates. See url=http://wiki.polycount.com/wiki/Normal_Map_Technical_Details#Common_Swizzle_Coordinatesthis page/url for a comparison of normal map coordinates expected by popular engines.
Sets the tile's normal map texture. Note: Godot expects the normal map to use X+, Y-, and Z+ coordinates. See url=http://wiki.polycount.com/wiki/Normal_Map_Technical_Details#Common_Swizzle_Coordinatesthis page/url for a comparison of normal map coordinates expected by popular engines.