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| 2D Texture | 3D Texture |
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| 2D Texture | 3D Texture |
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A 2D texture is like a photograph pasted on the surface of an object.
A 3D texture can make an object look as if it were carved out of a solid block of material.
A 3D texture can be thought of as a stack of 2D images, filling a 3D cube.
3D texturing adds an R texture coordinate to the existing S & T coordinates.
Example: tex3d.cpp