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add support for clipFaceAgainstHull, so we can clip convex polyhedra against triangles (without connectivity information)

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in addition to the existing clipHullAgainstHull
Fix for debug drawing of contact points
comment-out some debug drawing code for triangle meshes
This commit is contained in:
erwin.coumans
2011-03-29 21:58:15 +00:00
parent 8847b21eb7
commit 2a856f8c32
5 changed files with 104 additions and 76 deletions
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9
src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.h
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@@ -32,11 +32,14 @@ typedef btAlignedObjectArray<btVector3> btVertexArray;
// Clips a face to the back of a plane
struct btPolyhedralContactClipping
{
static void clipFaceContacts(const btVector3& separatingNormal, const btConvexPolyhedron& hullA, const btConvexPolyhedron& hullB, const btTransform& transA,const btTransform& transB, const btScalar maxDist, btDiscreteCollisionDetectorInterface::Result& resultOut);
static void clipFace(const btVertexArray& pVtxIn, btVertexArray& ppVtxOut, const btVector3& planeNormalWS,btScalar planeEqWS);
static void clipHullAgainstHull(const btVector3& separatingNormal, const btConvexPolyhedron& hullA, const btConvexPolyhedron& hullB, const btTransform& transA,const btTransform& transB, const btScalar minDist, btScalar maxDist, btDiscreteCollisionDetectorInterface::Result& resultOut);
static void clipFaceAgainstHull(const btVector3& separatingNormal, const btConvexPolyhedron& hullA, const btTransform& transA, btVertexArray& worldVertsB1, const btScalar minDist, btScalar maxDist,btDiscreteCollisionDetectorInterface::Result& resultOut);
static bool findSeparatingAxis( const btConvexPolyhedron& hullA, const btConvexPolyhedron& hullB, const btTransform& transA,const btTransform& transB, btVector3& sep);
///the clipFace method is used internally
static void clipFace(const btVertexArray& pVtxIn, btVertexArray& ppVtxOut, const btVector3& planeNormalWS,btScalar planeEqWS);
};
#endif // __POLYHEDRAL_CONTACT_CLIPPING_H