text: /*************************************************************************/
  /*  box_shape.cpp                                                        */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #include "box_shape.h"
  #include "servers/particle_physics_server.h"
  #include "servers/physics_server.h"
  
  Vector<Vector3> BoxShape::_gen_debug_mesh_lines() {
  
  	Vector<Vector3> lines;
  	AABB aabb;
  	aabb.position = -get_extents();
  	aabb.size = aabb.position * -2;
  
  	for (int i = 0; i < 12; i++) {
  		Vector3 a, b;
  		aabb.get_edge(i, a, b);
  		lines.push_back(a);
  		lines.push_back(b);
  	}
  
  	return lines;
  }
  
  void BoxShape::_update_shape() {
  
  	PhysicsServer::get_singleton()->shape_set_data(get_shape(), extents);
  	ParticlePhysicsServer::get_singleton()->primitive_shape_set_data(get_particle_shape(), extents);
  }
  
  void BoxShape::set_extents(const Vector3 &p_extents) {
  
  	extents = p_extents;
  	_update_shape();
  	notify_change_to_owners();
  	_change_notify("extents");
  }
  
  Vector3 BoxShape::get_extents() const {
  
  	return extents;
  }
  
  void BoxShape::_bind_methods() {
  
  	ClassDB::bind_method(D_METHOD("set_extents", "extents"), &BoxShape::set_extents);
  	ClassDB::bind_method(D_METHOD("get_extents"), &BoxShape::get_extents);
  
  	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents"), "set_extents", "get_extents");
  }
  
  BoxShape::BoxShape() :
  		Shape(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_BOX), ParticlePhysicsServer::get_singleton()->primitive_shape_create(ParticlePhysicsServer::PARTICLE_PRIMITIVE_SHAPE_TYPE_BOX)) {
  
  	set_extents(Vector3(1, 1, 1));
  }
  