text: /*************************************************************************/
  /*  rectangle_shape_2d.cpp                                               */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2022 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,       */
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  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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  /*************************************************************************/
  
  #include "rectangle_shape_2d.h"
  
  #include "servers/physics_2d_server.h"
  #include "servers/visual_server.h"
  void RectangleShape2D::_update_shape() {
  	Physics2DServer::get_singleton()->shape_set_data(get_rid(), extents);
  	emit_changed();
  }
  
  void RectangleShape2D::set_extents(const Vector2 &p_extents) {
  	extents = p_extents;
  	_update_shape();
  }
  
  Vector2 RectangleShape2D::get_extents() const {
  	return extents;
  }
  
  void RectangleShape2D::draw(const RID &p_to_rid, const Color &p_color) {
  	VisualServer::get_singleton()->canvas_item_add_rect(p_to_rid, Rect2(-extents, extents * 2.0), p_color);
  	if (is_collision_outline_enabled()) {
  		// Draw an outlined rectangle to make individual shapes easier to distinguish.
  		Vector<Vector2> stroke_points;
  		stroke_points.resize(5);
  		stroke_points.write[0] = -extents;
  		stroke_points.write[1] = Vector2(extents.x, -extents.y);
  		stroke_points.write[2] = extents;
  		stroke_points.write[3] = Vector2(-extents.x, extents.y);
  		stroke_points.write[4] = -extents;
  
  		Vector<Color> stroke_colors;
  		stroke_colors.resize(5);
  		for (int i = 0; i < 5; i++) {
  			stroke_colors.write[i] = p_color;
  		}
  
  		VisualServer::get_singleton()->canvas_item_add_polyline(p_to_rid, stroke_points, stroke_colors, 1.0, true);
  	}
  }
  
  Rect2 RectangleShape2D::get_rect() const {
  	return Rect2(-extents, extents * 2.0);
  }
  
  void RectangleShape2D::_bind_methods() {
  	ClassDB::bind_method(D_METHOD("set_extents", "extents"), &RectangleShape2D::set_extents);
  	ClassDB::bind_method(D_METHOD("get_extents"), &RectangleShape2D::get_extents);
  
  	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "extents"), "set_extents", "get_extents");
  }
  
  RectangleShape2D::RectangleShape2D() :
  		Shape2D(Physics2DServer::get_singleton()->rectangle_shape_create()) {
  	extents = Vector2(10, 10);
  	_update_shape();
  }
  