How to compute a x,y,z pos, with a transformation matrix?

OpenGL OpenGL: Advanced Coding
1

Hi!

I have a coord, like (10,3,7).

I also have a Transformation Matrix.

How do i compute my coord, to have the new coord if the matrix transform my coord?

Tanks, it might be easy, but i just don’t get it.

2

Found it, sorry for posting.