text: // Filename: physxBoxForceFieldShape.cxx
  // Created by:  enn0x (15Nov09)
  //
  ////////////////////////////////////////////////////////////////////
  //
  // PANDA 3D SOFTWARE
  // Copyright (c) Carnegie Mellon University.  All rights reserved.
  //
  // All use of this software is subject to the terms of the revised BSD
  // license.  You should have received a copy of this license along
  // with this source code in a file named "LICENSE."
  //
  ////////////////////////////////////////////////////////////////////
  
  #include "physxBoxForceFieldShape.h"
  #include "physxBoxForceFieldShapeDesc.h"
  #include "physxManager.h"
  
  TypeHandle PhysxBoxForceFieldShape::_type_handle;
  
  ////////////////////////////////////////////////////////////////////
  //     Function: PhysxBoxForceFieldShape::link
  //       Access: Public
  //  Description: 
  ////////////////////////////////////////////////////////////////////
  void PhysxBoxForceFieldShape::
  link(NxForceFieldShape *shapePtr) {
  
    _ptr = shapePtr->isBox();
    _ptr->userData = this;
    _error_type = ET_ok;
  
    set_name(shapePtr->getName());
  
    PhysxForceFieldShapeGroup *group = (PhysxForceFieldShapeGroup *)_ptr->getShapeGroup().userData;
    group->_shapes.add(this);
  }
  
  ////////////////////////////////////////////////////////////////////
  //     Function: PhysxBoxForceFieldShape::unlink
  //       Access: Public
  //  Description: 
  ////////////////////////////////////////////////////////////////////
  void PhysxBoxForceFieldShape::
  unlink() {
  
    _ptr->userData = NULL;
    _error_type = ET_released;
  
    PhysxForceFieldShapeGroup *group = (PhysxForceFieldShapeGroup *)_ptr->getShapeGroup().userData;
    group->_shapes.remove(this);
  }
  
  ////////////////////////////////////////////////////////////////////
  //     Function : PhysxBoxForceFieldShape::save_to_desc
  //       Access : Published
  //  Description : Saves the state of the shape object to a 
  //                descriptor.
  ////////////////////////////////////////////////////////////////////
  void PhysxBoxForceFieldShape::
  save_to_desc(PhysxBoxForceFieldShapeDesc &shapeDesc) const {
  
    nassertv(_error_type == ET_ok);
    _ptr->saveToDesc(shapeDesc._desc);
  }
  
  ////////////////////////////////////////////////////////////////////
  //     Function: PhysxBoxForceFieldShape::set_dimensions
  //       Access: Published
  //  Description: Sets the box dimensions. 
  //
  //               The dimensions are the 'radii' of the box,
  //               meaning 1/2 extents in x dimension, 1/2 extents
  //               in y dimension, 1/2 extents in z dimension.
  ////////////////////////////////////////////////////////////////////
  void PhysxBoxForceFieldShape::
  set_dimensions(const LVector3f &vec) {
  
    nassertv(_error_type == ET_ok);
    _ptr->setDimensions(PhysxManager::vec3_to_nxVec3(vec));
  }
  
  ////////////////////////////////////////////////////////////////////
  //     Function: PhysxBoxForceFieldShape::get_dimensions
  //       Access: Published
  //  Description: Retrieves the dimensions of the box. 
  //
  //               The dimensions are the 'radii' of the box,
  //               meaning 1/2 extents in x dimension, 1/2 extents
  //               in y dimension, 1/2 extents in z dimension.
  ////////////////////////////////////////////////////////////////////
  LVector3f PhysxBoxForceFieldShape::
  get_dimensions() const {
  
    nassertr(_error_type == ET_ok, LVector3f::zero());
    return PhysxManager::nxVec3_to_vec3(_ptr->getDimensions());
  }
  
  