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setMassProps didn't adjust gravity force, this might impact some projects

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See also 
http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?f=9&t=4835
and
http://code.google.com/p/bullet/issues/detail?id=364
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erwin.coumans
2010-03-31 20:50:11 +00:00
parent bb84b93dd9
commit 0bf3cb5aa5
1 changed files with 3 additions and 0 deletions
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3
src/BulletDynamics/Dynamics/btRigidBody.cpp
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@@ -240,6 +240,9 @@ void btRigidBody::setMassProps(btScalar mass, const btVector3& inertia)
m_inverseMass = btScalar(1.0) / mass;
}
//Fg = m * a
m_gravity = mass * m_gravity_acceleration;
m_invInertiaLocal.setValue(inertia.x() != btScalar(0.0) ? btScalar(1.0) / inertia.x(): btScalar(0.0),
inertia.y() != btScalar(0.0) ? btScalar(1.0) / inertia.y(): btScalar(0.0),
inertia.z() != btScalar(0.0) ? btScalar(1.0) / inertia.z(): btScalar(0.0));