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Polygon Intersection

Started by Sir Sapo Oct 13, 2004 at 11:27 PM 2 replies 2.4k views

Original Post

Oct 13, 2004 at 11:27 PM

Is there a built in function to OpenGl that can determine if 2 polygons are intersecting? If not, how can I find out if they are? This is for collision detection purposes btw.

dxprog

Oct 13, 2004 at 11:38 PM

OpenGL is just a graphics library and as such I don't think it has any collision routines.

EvilProgrammer

Oct 14, 2004 at 12:09 AM

No there's not, OpenGL is only a graphics api. You need to do the calculations yourself. I would suggest using bounding volumes before moving down to the individual polygons.

hplus0603

Mod

3,014

hplus0603

Oct 14, 2004 at 12:32 AM

I suggest looking at the Open Dynamics Engine which has both collision and simulation of what happens when you collide.

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