View Full Version : oblique projection
I have been asked to an oblique projection on an object, but have no Idea of how to go about it, every where I look I get the following peice of info... openGL does not support oblique project
can anyone tell me how to go about it please
09-21-2004, 05:41 AM
If you can express it in a 4x4 matrix, OpenGL can deal with it. You just need to change an orthographic matrix so that it adds values to the x and y coordinates depending on z.
Should be straightforward (not tried), it should have two factors in the z-column of the 4x4 matrix (element m and m in OpenGL's row major 4x4 matrix speak.)
09-21-2004, 05:59 AM
Oblique Projection = Shear + Orthogonal Projection
google oblique projection (http://www.google.com/search?hl=en&ie=UTF-8&q=%22oblique+projection%22+opengl+shear&btnG=Google+Search)
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