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_EDGE_SHAPE_H
22#define LOVE_PHYSICS_BOX2D_EDGE_SHAPE_H
23
24// Module
25#include "Shape.h"
26
27namespace love
28{
29namespace physics
30{
31namespace box2d
32{
33
34/**
35 * An Edge is just a line segment. Edges are designed to
36 * be connected and/or chained together.
37 **/
38class EdgeShape : public Shape
39{
40public:
41
42 static love::Type type;
43
44 /**
45 * Create a new EdgeShape from a Box2D edge shape.
46 * @param e The edge shape.
47 **/
48 EdgeShape(b2EdgeShape *e, bool own = true);
49
50 virtual ~EdgeShape();
51
52 void setNextVertex(float x, float y);
53 void setNextVertex();
54 bool getNextVertex(float &x, float &y) const;
55
56 void setPreviousVertex(float x, float y);
57 void setPreviousVertex();
58 bool getPreviousVertex(float &x, float &y) const;
59
60 /**
61 * Returns the transformed points of the edge shape.
62 * This function is useful for debug drawing and such.
63 *
64 * The result can be directly passed into love.graphics.line().
65 **/
66 int getPoints(lua_State *L);
67};
68
69} // box2d
70} // physics
71} // love
72
73#endif // LOVE_PHYSICS_BOX2D_EDGE_SHAPE_H
74