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OpenGL OpenGL: Screen Coords to World Coods..

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I need some help with Converting Screen Coordinates to World Coords, I want a Object in 3D space to follow my mouse cursor (or basically be a 3D mouse cursor..basically give it the 2D screen Coords, and have it move to that spot in 3D space, I am Having some issues on what to do, any help or pointers to references would be nice, Thanx alot Edited by - Syntax on 11/28/00 5:34:53 PM

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You could use gluUnProject:


I''m trying to figure this out NOT using the GLU library and could do with some pointers too!

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