Mapping Wavefront .obj texture vertex on OpenGL

瘦欲@ 提交于 2019-12-05 10:55:48

But I can't figure out why the texture vertex are greater than 1 and sometimes negative.

Texture coordinates outside the [0..1] range indicate texture repetition.

Given a 1D texture ABCD:

   -1    0    1    2
....|ABCD|ABCD|ABCD|....

Make sure GL_TEXTURE_WRAP_S and GL_TEXTURE_WRAP_T are set to GL_REPEAT.

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