1/**
2 * Copyright (c) 2006-2023 LOVE Development Team
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 * 3. This notice may not be removed or altered from any source distribution.
19 **/
20
21#ifndef LOVE_PHYSICS_BOX2D_POLYGON_SHAPE_H
22#define LOVE_PHYSICS_BOX2D_POLYGON_SHAPE_H
23
24// Module
25#include "Shape.h"
26
27namespace love
28{
29namespace physics
30{
31namespace box2d
32{
33
34/**
35 * You should know what a Polygon is. :)
36 *
37 * This class is needed so that we can easily get
38 * the transformed points in Lua. By calling shape:getPoints(),
39 * the result can be passed directly to love.graphics.polygon().
40 **/
41class PolygonShape : public Shape
42{
43public:
44
45 static love::Type type;
46
47 /**
48 * Create a new PolygonShape from a Box2D polygon definition.
49 * @param p The polygon definition.
50 **/
51 PolygonShape(b2PolygonShape *p, bool own = true);
52
53 virtual ~PolygonShape();
54
55 /**
56 * Returns the transformed points of the polygon.
57 * This function is useful for debug drawing and such.
58 *
59 * The result can be directly passed into love.graphics.polygon().
60 **/
61 int getPoints(lua_State *L);
62
63 /**
64 * Validate convexity.
65 **/
66 bool validate() const;
67};
68
69} // box2d
70} // physics
71} // love
72
73#endif // LOVE_PHYSICS_BOX2D_POLYGON_SHAPE_H
74