void CShadowController::AttachObject( void )
{
IVP_Real_Object *pivp = m_pObject->GetObject();
IVP_Core *pCore = pivp->get_core();
m_saveRot = pCore->rot_speed_damp_factor;
m_savedRI = *pCore->get_rot_inertia();
m_savedMass = pCore->get_mass();
m_savedMaterialIndex = m_pObject->GetMaterialIndexInternal();
m_pObject->SetMaterialIndex( MATERIAL_INDEX_SHADOW );
pCore->rot_speed_damp_factor = IVP_U_Float_Point( 100, 100, 100 );
if ( !m_allowPhysicsRotation )
{
IVP_U_Float_Point ri( 1e15f, 1e15f, 1e15f );
pCore->set_rotation_inertia( &ri );
}
if ( !m_allowPhysicsMovement )
{
m_pObject->SetMass( 1e6f );
//pCore->inv_rot_inertia.hesse_val = 0.0f;
m_pObject->EnableGravity( false );
}
pCore->calc_calc();
pivp->get_environment()->get_controller_manager()->add_controller_to_core( this, pCore );
m_shadow.lastPosition.set_to_zero();
}
// convert square velocity magnitude from IVP to HL
float CPhysicsObject::GetEnergy()
{
IVP_Core *pCore = m_pObject->get_core();
IVP_FLOAT energy = 0.0f;
IVP_U_Float_Point tmp;
energy = 0.5f * pCore->get_mass() * pCore->speed.dot_product(&pCore->speed); // 1/2mvv
tmp.set_pairwise_mult(&pCore->rot_speed, pCore->get_rot_inertia()); // wI
energy += 0.5f * tmp.dot_product(&pCore->rot_speed); // 1/2mvv + 1/2wIw
return ConvertEnergyToHL( energy );
}
