Rotate around center of texture

OpenGL
1

Hi Everyone,

Looks like there are some knowledgeable people floating about in these forums.

Wonder if anyone can answer my question, it’s driving me mad because I’m sure it’s a simple answer.

I have applied a texture to a plane and I want to make the texture swirl. At the moment the texture is rotate about the x and y positions, but I want it to rotate around the centre of the texture.

How do I change the rotation point to the centre?

Thanks,
TK

2
  1. Subtract 0.5 from coords components.
  2. Rotate
  3. Add 0.5 to coords components.

N.

3

Excellent, working great.

I knew it was a simple answer, thanks a lot :slight_smile:

4

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