uv = xy on texture (roughly)

The uv is generally used as image texture coordinates ranging from 0.0
(left/down) to 1.0 (right/up) in the image. You need to specify what goes to
which vector by giving each triangle corner a uv vector. Imagine that the
texture image is a flexible piece of cloth and you use needles to force it to
wrap around the surface. Each uv vector represent a "needle" that forces the
specified uv location in the image to attach itself to a triangle corner.

Hint: The uv is a very powerfull tool which can be used for f.ex. morphing
images and for lens distortion removal in photos.

Post a reply to this message