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Add flags to btRigidBody to disable world gravity.

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Use setFlags/getFlags with BT_DISABLE_WORLD_GRAVITY

See http://code.google.com/p/bullet/issues/detail?id=324
This commit is contained in:
erwin.coumans
2010-02-03 23:58:48 +00:00
parent 219517db2d
commit 87b313d715
3 changed files with 22 additions and 4 deletions
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6
src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp
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@@ -345,7 +345,7 @@ void btDiscreteDynamicsWorld::setGravity(const btVector3& gravity)
for ( int i=0;i<m_nonStaticRigidBodies.size();i++)
{
btRigidBody* body = m_nonStaticRigidBodies[i];
if (body->isActive())
if (body->isActive() && !(body->getFlags() &BT_DISABLE_WORLD_GRAVITY))
{
body->setGravity(gravity);
}
@@ -380,7 +380,7 @@ void btDiscreteDynamicsWorld::removeRigidBody(btRigidBody* body)
void btDiscreteDynamicsWorld::addRigidBody(btRigidBody* body)
{
if (!body->isStaticOrKinematicObject())
if (!body->isStaticOrKinematicObject() && !(body->getFlags() &BT_DISABLE_WORLD_GRAVITY))
{
body->setGravity(m_gravity);
}
@@ -405,7 +405,7 @@ void btDiscreteDynamicsWorld::addRigidBody(btRigidBody* body)
void btDiscreteDynamicsWorld::addRigidBody(btRigidBody* body, short group, short mask)
{
if (!body->isStaticOrKinematicObject())
if (!body->isStaticOrKinematicObject() && !(body->getFlags() &BT_DISABLE_WORLD_GRAVITY))
{
body->setGravity(m_gravity);
}