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solve constraints involving deformable objects according to islands

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This commit is contained in:
Xuchen Han
2019-12-18 23:11:34 -08:00
parent f65a8b03c0
commit 89553c44e7
5 changed files with 483 additions and 531 deletions
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35
src/BulletSoftBody/btDeformableContactProjection.h
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@@ -28,22 +28,33 @@ public:
typedef btAlignedObjectArray<btVector3> TVStack;
btAlignedObjectArray<btSoftBody *>& m_softBodies;
// map from node index to static constraint
btHashMap<btHashInt, btDeformableStaticConstraint> m_staticConstraints;
// map from node index to node rigid constraint
btHashMap<btHashInt, btAlignedObjectArray<btDeformableNodeRigidContactConstraint> > m_nodeRigidConstraints;
// map from node index to face rigid constraint
btHashMap<btHashInt, btAlignedObjectArray<btDeformableFaceRigidContactConstraint*> > m_faceRigidConstraints;
// map from node index to deformable constraint
btHashMap<btHashInt, btAlignedObjectArray<btDeformableFaceNodeContactConstraint*> > m_deformableConstraints;
// map from node index to node anchor constraint
btHashMap<btHashInt, btDeformableNodeAnchorConstraint> m_nodeAnchorConstraints;
// // map from node index to static constraint
// btHashMap<btHashInt, btDeformableStaticConstraint> m_staticConstraints;
// // map from node index to node rigid constraint
// btHashMap<btHashInt, btAlignedObjectArray<btDeformableNodeRigidContactConstraint> > m_nodeRigidConstraints;
// // map from node index to face rigid constraint
// btHashMap<btHashInt, btAlignedObjectArray<btDeformableFaceRigidContactConstraint*> > m_faceRigidConstraints;
// // map from node index to deformable constraint
// btHashMap<btHashInt, btAlignedObjectArray<btDeformableFaceNodeContactConstraint*> > m_deformableConstraints;
// // map from node index to node anchor constraint
// btHashMap<btHashInt, btDeformableNodeAnchorConstraint> m_nodeAnchorConstraints;
// all constraints involving face
btAlignedObjectArray<btDeformableContactConstraint*> m_allFaceConstraints;
// map from node index to projection directions
btHashMap<btHashInt, btAlignedObjectArray<btVector3> > m_projectionsDict;
// map from node index to static constraint
btAlignedObjectArray<btAlignedObjectArray<btDeformableStaticConstraint> > m_staticConstraints;
// map from node index to node rigid constraint
btAlignedObjectArray<btAlignedObjectArray<btDeformableNodeRigidContactConstraint> > m_nodeRigidConstraints;
// map from node index to face rigid constraint
btAlignedObjectArray<btAlignedObjectArray<btDeformableFaceRigidContactConstraint> > m_faceRigidConstraints;
// map from node index to deformable constraint
btAlignedObjectArray<btAlignedObjectArray<btDeformableFaceNodeContactConstraint> > m_deformableConstraints;
// map from node index to node anchor constraint
btAlignedObjectArray<btAlignedObjectArray<btDeformableNodeAnchorConstraint> > m_nodeAnchorConstraints;
btDeformableContactProjection(btAlignedObjectArray<btSoftBody *>& softBodies)
: m_softBodies(softBodies)
@@ -61,7 +72,7 @@ public:
virtual void applyDynamicFriction(TVStack& f);
// update and solve the constraints
virtual btScalar update();
virtual btScalar update(btCollisionObject** deformableBodies,int numDeformableBodies);
// solve the position error using split impulse
virtual btScalar solveSplitImpulse(const btContactSolverInfo& infoGlobal);