void PhysicsJoint::changed(ConstFieldMaskArg whichField,
UInt32 origin,
BitVector details)
{
Inherited::changed(whichField, origin, details);
if(((whichField & FirstBodyFieldMask) || (whichField & WorldFieldMask)) ||
((whichField & SecondBodyFieldMask) || (whichField & WorldFieldMask)))
{
dBodyID First(NULL);
dBodyID Second(NULL);
if(getFirstBody() != NULL)
{
First = getFirstBody()->getBodyID();
}
if(getSecondBody() != NULL)
{
Second = getSecondBody()->getBodyID();
}
dJointAttach(_JointID, First, Second);
}
}
// update
int World::update( Ogre::Real t_step )
{
int realUpdates = 0;
/*
// clean up all pending bodies for update
for( BodyVectorVector::iterator it = m_bodyUpdateNodeRequests.begin(); it != m_bodyUpdateNodeRequests.end(); it++ )
{
for( BodyVector::iterator body = it->begin(); body != it->end(); body++ )
{
(*body)->setNodeUpdateNeeded (false);
}
it->clear();
}
*/
#ifdef _DEBUG
// Ogre::LogManager::getSingleton().logMessage(" Newton Frame Listener... m_elapsed: "+Ogre::StringConverter::toString( t_step)+
// " m_update:"+Ogre::StringConverter::toString(m_update));
#endif
// clamp the step if necessary
if (t_step > (m_timestep * m_maxTicksPerFrames)) {
t_step = m_timestep * m_maxTicksPerFrames;
}
// advance the accumulator;
m_timeAcumulator += t_step;
while (m_timeAcumulator >= m_timestep) {
NewtonUpdate (m_world, m_timestep);
m_timeAcumulator -= m_timestep;
realUpdates++;
}
#ifdef _DEBUG
// Ogre::LogManager::getSingleton().logMessage(" Newton updates this loop: "+Ogre::StringConverter::toString(count));
#endif
Ogre::Real param = m_timeAcumulator * m_invTimestep;
//param = 1.0f;
/* Julio's version, does not really work as the body is only updated once per transform-callback
for( BodyVectorVector::iterator it = m_bodyUpdateNodeRequests.begin(); it != m_bodyUpdateNodeRequests.end(); it++ )
{
for( BodyVector::iterator body = it->begin(); body != it->end(); body++ )
{
(*body)->updateNode(param);
}
}
*/
for( Body* body = getFirstBody(); body; body = body->getNext() )
{
body->updateNode(param);
}
return realUpdates;
}
