Method processTick

Engine/source/T3D/physics/physicsForce.cpp:152–192

}

void PhysicsForce::processTick( const Move * )
{
   if ( isMounted() )
   {
      MatrixF test( true );
      test.setPosition( Point3F( 0, 4, 0 ) );
      AssertFatal( test != mMount.xfm, "Error!" );

      MatrixF mat( true );
      mMount.object->getMountTransform( mMount.node, mMount.xfm, &mat );
      setTransform( mat );
   }

   // Nothing to do without a body or if physics hasn't ticked.
   if ( !mBody || !mPhysicsTick )
      return;

   mPhysicsTick = false;

   // If we lost the body then release it.
   if ( !mBody->isDynamic() || !mBody->isSimulationEnabled() )
   {
      detach();
      return;
   }

   // Get our distance to the body.
   Point3F cMass = mBody->getCMassPosition();
   Point3F vector = getPosition() - cMass;

   // Apply the force!
   F32 mass = mBody->getMass();
   Point3F impulse = ( mass * vector ) / TickSec;

   // Counter balance the linear impulse.
   Point3F linVel = mBody->getLinVelocity();
   Point3F currentForce = linVel * mass;

   // Apply it.
   mBody->applyImpulse( cMass, impulse - currentForce );
}

DefineEngineMethod( PhysicsForce, attach, void, ( Point3F start, Point3F direction, F32 maxDist ),,
   "@brief Attempts to associate the PhysicsForce with a PhysicsBody.\n\n"