Hello,
I draw some primitives on a 3d scene, I rotate zoom and pan this figures.
I must implement a small function.
This function must center this draw and zoom at maxim of extension on
arbitrary position ang angle of my eye(camera).
My draw was do it with gluPerspective and gluLookAt functions.
How can I know this projection plane and calculate the extension?
I see this:
http://en.wikipedia.org/wiki/3D_projection#Perspective_projection
But I can't implement it.
Can someone orientate to me
Thanks
xavi
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