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fixed btSoftBodyConcaveCollisionAlgorithm, wrong bounding box transformation

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added vertex welding option for btTriangleMesh (brute-force slow)
reject appendFace for some degenerate triangles (all 3 vertices/nodes need to be different)
add setVelocity method for btSoftBody
This commit is contained in:
erwin.coumans
2008-09-26 21:59:03 +00:00
parent e0d1c1d057
commit 682a0a1b90
5 changed files with 99 additions and 72 deletions
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8
src/BulletCollision/CollisionShapes/btTriangleMesh.h
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@@ -25,6 +25,7 @@ subject to the following restrictions:
///It allows either 32bit or 16bit indices, and 4 (x-y-z-w) or 3 (x-y-z) component vertices.
///If you want to share triangle/index data between graphics mesh and collision mesh (btBvhTriangleMeshShape), you can directly use btTriangleIndexVertexArray or derive your own class from btStridingMeshInterface.
///Performance of btTriangleMesh and btTriangleIndexVertexArray used in a btBvhTriangleMeshShape is the same.
///It has a brute-force option to weld together closeby vertices.
class btTriangleMesh : public btTriangleIndexVertexArray
{
btAlignedObjectArray<btVector3> m_4componentVertices;
@@ -34,11 +35,16 @@ class btTriangleMesh : public btTriangleIndexVertexArray
btAlignedObjectArray<unsigned short int> m_16bitIndices;
bool m_use32bitIndices;
bool m_use4componentVertices;
public:
btScalar m_weldingThreshold;
btTriangleMesh (bool use32bitIndices=true,bool use4componentVertices=true);
int findOrAddVertex(const btVector3& vertex);
void addIndex(int index);
bool getUse32bitIndices() const
{
return m_use32bitIndices;