Collision detection question???

Yes that seems correct.

When you say physics of the object, I assume you mean like the objects boundaries, or its "bounding-box." A good way to go about collision detection is to have your world organized into a nice tree-structure. Then you can find in which node your object lies, and only test the object with the other vertices in that node.

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Original post by PitJedi
checking against all of the points in your 3d world to see if you reached a colision. Am i correct

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youre not. check only potential colliders.. e.g current leaf etc. depends your spatial partitioning..
and you probably want create simple bounding primitives for highpolygon objects etc to calc collision more efficiently..