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deal with degenerate triangles in the btInternalEdgeUtility

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thanks to scarrow, see http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?f=9&t=4603&start=15
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erwin.coumans
2010-02-05 05:31:08 +00:00
parent 04b7a7fff4
commit a5f51905e8
2 changed files with 20 additions and 0 deletions
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3
src/BulletCollision/CollisionDispatch/btInternalEdgeUtility.h
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@@ -53,6 +53,8 @@ struct btTriangleInfoMap : public btInternalTriangleInfoMap
btScalar m_planarEpsilon; ///used to determine if a triangle edge is planar with zero angle
btScalar m_equalVertexThreshold; ///used to compute connectivity: if the distance between two vertices is smaller than m_equalVertexThreshold, they are considered to be 'shared'
btScalar m_edgeDistanceThreshold; ///used to determine edge contacts: if the closest distance between a contact point and an edge is smaller than this distance threshold it is considered to "hit the edge"
btScalar m_zeroAreaThreshold; ///used to determine if a triangle is degenerate (length squared of cross product of 2 triangle edges < threshold)
btTriangleInfoMap()
{
@@ -60,6 +62,7 @@ struct btTriangleInfoMap : public btInternalTriangleInfoMap
m_planarEpsilon = 0.0001f;
m_equalVertexThreshold = btScalar(0.0001)*btScalar(0.0001);
m_edgeDistanceThreshold = btScalar(0.1);
m_zeroAreaThreshold = btScalar(0.0001)*btScalar(0.0001);
}
};