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3d collision detection with dx?

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That is true Jnz86 but DX does actually have helper functions to collide rays with mesh data. Deathwearer - take a look at some of these functions in the DX SDK or MSDN they may be heplful:

D3DXBoxBoundProbe
D3DXComputeBoundingBox
D3DXComputeBoundingSphere
D3DXIntersect
D3DXIntersectSubset
D3DXIntersectTri
D3DXPlaneIntersectLine

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Sorry Jnz86, i tought it was specific of the API ( i have no knowledge of opengl ) since i guess they have different way to store access and render the stuff.

Thank Trip99 i took a look at these function and it's seem to be what i want or at least it put me on the right track.

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