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mgraves

OBB-Plane Collision

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Original post by mgraves
Anyone know of any relatively simple checks for OBB to plane collision?
Dead simple: just project the OBB onto the plane normal and compare the resulting interval to the plane distance. Penetration depth can easily be computed from this if needed, and so can points of contact (with just a bit more work).

If you're not sure how to perform the OBB projection, google 'SAT OBB', or check out the article 'Simple Intersection Tests for Games' here at gdnet. If after that you're still stuck, post back here.

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