1 //
2 // Copyright (c) 2008-2017 the Urho3D project.
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a copy
5 // of this software and associated documentation files (the "Software"), to deal
6 // in the Software without restriction, including without limitation the rights
7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 // copies of the Software, and to permit persons to whom the Software is
9 // furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 // THE SOFTWARE.
21 //
22 
23 #pragma once
24 
25 #include "../Urho2D/CollisionShape2D.h"
26 
27 namespace Urho3D
28 {
29 
30 /// 2D circle collision component.
31 class URHO3D_API CollisionCircle2D : public CollisionShape2D
32 {
33     URHO3D_OBJECT(CollisionCircle2D, CollisionShape2D);
34 
35 public:
36     /// Construct.
37     CollisionCircle2D(Context* context);
38     /// Destruct.
39     virtual ~CollisionCircle2D();
40     /// Register object factory.
41     static void RegisterObject(Context* context);
42 
43     /// Set radius.
44     void SetRadius(float radius);
45     /// Set center.
46     void SetCenter(const Vector2& center);
47     /// Set center.
48     void SetCenter(float x, float y);
49 
50     /// Return radius.
GetRadius()51     float GetRadius() const { return radius_; }
52 
53     /// Return center.
GetCenter()54     const Vector2& GetCenter() const { return center_; }
55 
56 private:
57     /// Apply node world scale.
58     virtual void ApplyNodeWorldScale();
59     /// Recreate fixture.
60     void RecreateFixture();
61 
62     /// Circle shape.
63     b2CircleShape circleShape_;
64     /// Radius.
65     float radius_;
66     /// Center.
67     Vector2 center_;
68 };
69 
70 }
71