UV Coordinates
Where a texture lives on a surface: every pixel carries a 2D address — U across, V down, each running 0 to 1. Read it straight out as colour, or use it to look up a pattern. That lookup is what 'texture mapping' means.
Where a texture lives on a surface: every pixel carries a 2D address — U across, V down, each running 0 to 1. Read it straight out as colour, or use it to look up a pattern. That lookup is what 'texture mapping' means.