スペース関数(Space Functions)
dSpaceID dSimpleSpaceCreate (dSpaceID space);
dSpaceID dHashSpaceCreate (dSpaceID space);
dSpaceID dQuadTreeSpaceCreate (dSpaceID space, dVector3 Center, dVector3 Extents, int Depth);
void dSpaceDestroy (dSpaceID);
void dHashSpaceSetLevels (dSpaceID space, int minlevel, int maxlevel);
void dHashSpaceGetLevels (dSpaceID space, int *minlevel, int *maxlevel);
void dSpaceSetCleanup (dSpaceID space, int mode);
int dSpaceGetCleanup (dSpaceID space);
void dSpaceSetSublevel (dSpaceID space, int sublevel);
int dSpaceGetSublevel (dSpaceID space);
void dSpaceAdd (dSpaceID, dGeomID);
void dSpaceRemove (dSpaceID, dGeomID);
int dSpaceQuery (dSpaceID, dGeomID);
int dSpaceGetNumGeoms (dSpaceID);
dGeomID dSpaceGetGeom (dSpaceID, int i);