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BGE patch: Optimization of bullet adaptation layer - part 1.

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First batch of optimizaton of the bullet adaptation layer in the BGE.
- remove circular motion state update.
- optimization of physic adaptation layer for bullet: bypass
  unecessary conversion of rotation matrix to quaternion and back.
- remove double updates during object replication.
This commit is contained in:
Benoit Bolsee
2008-07-21 12:37:27 +00:00
parent 8f17a66036
commit 4ae4ecd3ce
12 changed files with 57 additions and 21 deletions
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34
source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
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@@ -337,12 +337,33 @@ void CcdPhysicsController::setOrientation(float quatImag0,float quatImag1,float
{
m_body->setCollisionFlags(m_body->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);
}
m_MotionState->setWorldOrientation(quatImag0,quatImag1,quatImag2,quatReal);
// not required
//m_MotionState->setWorldOrientation(quatImag0,quatImag1,quatImag2,quatReal);
btTransform xform = m_body->getCenterOfMassTransform();
xform.setRotation(btQuaternion(quatImag0,quatImag1,quatImag2,quatReal));
m_body->setCenterOfMassTransform(xform);
m_bulletMotionState->setWorldTransform(xform);
// not required
//m_bulletMotionState->setWorldTransform(xform);
}
}
void CcdPhysicsController::setWorldOrientation(const btMatrix3x3& orn)
{
if (m_body)
{
m_body->activate(true);
if (m_body->isStaticObject())
{
m_body->setCollisionFlags(m_body->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);
}
// not required
//m_MotionState->setWorldOrientation(quatImag0,quatImag1,quatImag2,quatReal);
btTransform xform = m_body->getCenterOfMassTransform();
xform.setBasis(orn);
m_body->setCenterOfMassTransform(xform);
// not required
//m_bulletMotionState->setWorldTransform(xform);
}
}
@@ -356,12 +377,13 @@ void CcdPhysicsController::setPosition(float posX,float posY,float posZ)
{
m_body->setCollisionFlags(m_body->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);
}
m_MotionState->setWorldPosition(posX,posY,posZ);
// not required, this function is only used to update the physic controller
//m_MotionState->setWorldPosition(posX,posY,posZ);
btTransform xform = m_body->getCenterOfMassTransform();
xform.setOrigin(btVector3(posX,posY,posZ));
m_body->setCenterOfMassTransform(xform);
m_bulletMotionState->setWorldTransform(xform);
// not required
//m_bulletMotionState->setWorldTransform(xform);
}