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Bounding sphere tree

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How can I build Boundingsphere tree? I calculated BS radius and center of my object, using D3DXComputeBoundingSphere. But I want to subdivide BS into smaller parts for collision detection to done better. Can anyone show me the way or address on the net. Thanks.

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Guest Anonymous Poster
Well I don''t know which DX utils functions exist but this can be done fairly easily:

Make a linked list structure which has you bounding sphere data (either directly or as a pointer to your data) and then a certain number of kids -> probably 2 to 4 is a good option but if you want a variable amount you could always point to an array of kids or define 2 types of pointers: kid pointers and brother pointers (I''d probably just adjust my engine for a certain amount of kid pointers or an array, always remember these words which allow people to make great games: "KEEP IT SIMPLE, STUPID".

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