1 /*************************************************************************/
2 /*  collision_polygon_2d.h                                               */
3 /*************************************************************************/
4 /*                       This file is part of:                           */
5 /*                           GODOT ENGINE                                */
6 /*                      https://godotengine.org                          */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
9 /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
10 /*                                                                       */
11 /* Permission is hereby granted, free of charge, to any person obtaining */
12 /* a copy of this software and associated documentation files (the       */
13 /* "Software"), to deal in the Software without restriction, including   */
14 /* without limitation the rights to use, copy, modify, merge, publish,   */
15 /* distribute, sublicense, and/or sell copies of the Software, and to    */
16 /* permit persons to whom the Software is furnished to do so, subject to */
17 /* the following conditions:                                             */
18 /*                                                                       */
19 /* The above copyright notice and this permission notice shall be        */
20 /* included in all copies or substantial portions of the Software.       */
21 /*                                                                       */
22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
29 /*************************************************************************/
30 #ifndef COLLISION_POLYGON_2D_H
31 #define COLLISION_POLYGON_2D_H
32 
33 #include "scene/2d/node_2d.h"
34 #include "scene/resources/shape_2d.h"
35 
36 class CollisionPolygon2D : public Node2D {
37 
38 	OBJ_TYPE(CollisionPolygon2D, Node2D);
39 
40 public:
41 	enum BuildMode {
42 		BUILD_SOLIDS,
43 		BUILD_SEGMENTS,
44 	};
45 
46 protected:
47 	Rect2 aabb;
48 	BuildMode build_mode;
49 	Vector<Point2> polygon;
50 	bool trigger;
51 	bool unparenting;
52 
53 	void _add_to_collision_object(Object *p_obj);
54 	void _update_xform_in_parent();
55 	void _update_parent();
56 
57 	bool can_update_body;
58 	int shape_from;
59 	int shape_to;
60 
61 	void _set_shape_range(const Vector2 &p_range);
62 	Vector2 _get_shape_range() const;
63 
64 	Vector<Vector<Vector2> > _decompose_in_convex();
65 
66 protected:
67 	void _notification(int p_what);
68 	static void _bind_methods();
69 
70 public:
71 	void set_trigger(bool p_trigger);
72 	bool is_trigger() const;
73 
74 	void set_build_mode(BuildMode p_mode);
75 	BuildMode get_build_mode() const;
76 
77 	void set_polygon(const Vector<Point2> &p_polygon);
78 	Vector<Point2> get_polygon() const;
79 
80 	virtual Rect2 get_item_rect() const;
81 
get_collision_object_first_shape()82 	int get_collision_object_first_shape() const { return shape_from; }
get_collision_object_last_shape()83 	int get_collision_object_last_shape() const { return shape_to; }
84 
85 	virtual String get_configuration_warning() const;
86 
87 	CollisionPolygon2D();
88 };
89 
90 VARIANT_ENUM_CAST(CollisionPolygon2D::BuildMode);
91 
92 #endif // COLLISION_POLYGON_2D_H
93