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implemented rolling friction, using a contact constraint. Useful to get rolling spheres to rest, even on a slightly sloped plane.

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See http://www.youtube.com/watch?v=RV7sBAsKu4M and Bullet/Demos/RollingFrictionDemo
Fixes in FractureDemo (mouse picking constraint needs to be removed, otherwise constraint solver crashes/asserts)
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erwin.coumans
2012-09-15 06:52:17 +00:00
parent 54744b6ab9
commit 7eebb79ced
14 changed files with 263 additions and 44 deletions
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2
Demos/GyroscopicDemo/GyroscopicDemo.cpp
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@@ -101,7 +101,7 @@ void GyroscopicDemo::initPhysics()
tr.setIdentity();
tr.setOrigin(positions[i]);
body->setCenterOfMassTransform(tr);
body->setAngularVelocity(btVector3(0,0,1000));
body->setAngularVelocity(btVector3(0,0,15));
body->setLinearVelocity(btVector3(0,.2,0));
body->setFriction(btSqrt(1));
m_dynamicsWorld->addRigidBody(body);