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friction seems to be working. However, when the block is only sliding on the surface, there is no friction because no delta normal impulse...need to think

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jingyuc
2021-08-25 00:38:29 -04:00
parent 166dc2865d
commit 52abe35e41
4 changed files with 60 additions and 54 deletions
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6
examples/ReducedDeformableDemo/FreeFall.cpp
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@@ -163,7 +163,7 @@ void FreeFall::initPhysics()
// rsb->scale(btVector3(1, 1, 1));
rsb->translate(btVector3(0, 10, 0)); //TODO: add back translate and scale
// rsb->setTotalMass(0.5);
rsb->setStiffnessScale(1);
rsb->setStiffnessScale(10);
rsb->setDamping(damping_alpha, damping_beta);
// rsb->setFriction(200);
@@ -189,13 +189,13 @@ void FreeFall::initPhysics()
// create a static rigid box as the ground
{
// btBoxShape* groundShape = createBoxShape(btVector3(btScalar(50), btScalar(50), btScalar(50)));
btBoxShape* groundShape = createBoxShape(btVector3(btScalar(5), btScalar(5), btScalar(5)));
btBoxShape* groundShape = createBoxShape(btVector3(btScalar(10), btScalar(10), btScalar(10)));
m_collisionShapes.push_back(groundShape);
btTransform groundTransform;
groundTransform.setIdentity();
groundTransform.setRotation(btQuaternion(btVector3(1, 0, 0), SIMD_PI / 6.0));
groundTransform.setOrigin(btVector3(0, -2, -2));
groundTransform.setOrigin(btVector3(0, -10, 2));
// groundTransform.setOrigin(btVector3(0, 0, 6));
// groundTransform.setOrigin(btVector3(0, -50, 0));
{