chain_shape.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2013 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Arkadiusz Kalinowski
27 */
28 
29 #pragma once
30 
31 #include "../../api_physics2d.h"
32 #include "../../../Core/Math/vec2.h"
33 #include "../../Collision/Shapes/shape.h"
34 
35 namespace clan
36 {
39 
40 class PhysicsContext;
41 class PhysicsWorld;
42 class ChainShape_Impl;
43 class CollisionOutline;
44 
52 class CL_API_PHYSICS ChainShape : public Shape
53 {
56 public:
57 
59  ChainShape();
60 
64  ChainShape(const PhysicsWorld &pw);
65 
69  ChainShape(const PhysicsContext &pc);
70 
71  ~ChainShape();
72 
76 public:
77 
79  bool is_null() const { return !impl; }
80 
82  void throw_if_null() const;
83 
87 public:
88 
90  ChainShape &operator =(const ChainShape &copy);
91 
92  //add us
97  void create_loop (const Vec2f *vertices,const int count);
98 
99 
100  void create_loop (const CollisionOutline &outline);
105  void create_chain (const Vec2f *vertices,const int count);
106 
108  void set_prev_vertex (const Vec2f &prev_vertex);
109 
111  void set_next_vertex (const Vec2f &next_vertex);
112  //b2Shape * Clone (b2BlockAllocator *allocator) const
113  //int32 GetChildCount () const
114  //void GetChildEdge (b2EdgeShape *edge, int32 index) const
115  //bool TestPoint (const b2Transform &transform, const b2Vec2 &p) const
116  //bool RayCast (b2RayCastOutput *output, const b2RayCastInput &input, const b2Transform &transform, int32 childIndex) const
117  //void ComputeAABB (b2AABB *aabb, const b2Transform &transform, int32 childIndex) const
118  //void ComputeMass (b2MassData *massData, float32 density) const
119  //add us
123 private:
124 
125  std::shared_ptr<ChainShape_Impl> impl;
126 
128  friend class FixtureDescription;
129 };
130 
131 }
132 
133 /// \}
Shape class.
Definition: shape.h:49
Top-level world class.
Definition: physics_world.h:52
Collision detection outline.
Definition: collision_outline.h:114
Chain Shape class.
Definition: chain_shape.h:52
Definition: physics_context.h:45
FixtureDescription class.
Definition: fixture_description.h:40
bool is_null() const
Returns true if this object is invalid.
Definition: chain_shape.h:79