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switch to Baraff style constraint

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This commit is contained in:
Xuchen Han
2019-08-09 13:39:25 -07:00
parent 27492887bf
commit 5b8df6a708
5 changed files with 98 additions and 47 deletions
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6
examples/DeformableDemo/DeformableRigid.cpp
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@@ -228,11 +228,11 @@ void DeformableRigid::initPhysics()
psb->getCollisionShape()->setMargin(0.1);
psb->generateBendingConstraints(2);
psb->setTotalMass(1);
psb->setSpringStiffness(1);
psb->setDampingCoefficient(0.01);
psb->setSpringStiffness(2);
psb->setDampingCoefficient(0.05);
psb->m_cfg.kKHR = 1; // collision hardness with kinematic objects
psb->m_cfg.kCHR = 1; // collision hardness with rigid body
psb->m_cfg.kDF = 1;
psb->m_cfg.kDF = 0;
psb->m_cfg.collisions = btSoftBody::fCollision::SDF_RD;
getDeformableDynamicsWorld()->addSoftBody(psb);
getDeformableDynamicsWorld()->addForce(psb, new btDeformableMassSpringForce());

7
examples/DeformableDemo/GraspDeformable.cpp
View File

@@ -331,14 +331,15 @@ void GraspDeformable::initPhysics()
psb->getCollisionShape()->setMargin(0.1);
psb->setTotalMass(1);
psb->setSpringStiffness(0);
psb->setDampingCoefficient(0.04);
psb->setDampingCoefficient(0.02);
psb->m_cfg.kKHR = 1; // collision hardness with kinematic objects
psb->m_cfg.kCHR = 1; // collision hardness with rigid body
psb->m_cfg.kDF = 2;
psb->m_cfg.kDF = 0;
psb->m_cfg.collisions = btSoftBody::fCollision::SDF_RD;
getDeformableDynamicsWorld()->addSoftBody(psb);
getDeformableDynamicsWorld()->addForce(psb, new btDeformableMassSpringForce());
getDeformableDynamicsWorld()->addForce(psb, new btDeformableGravityForce(gravity));
getDeformableDynamicsWorld()->addForce(psb, new btDeformableCorotatedForce(2,2));
getDeformableDynamicsWorld()->addForce(psb, new btDeformableCorotatedForce(1,1));
}
m_guiHelper->autogenerateGraphicsObjects(m_dynamicsWorld);