ClanLib  2.3.7
outline_circle.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 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
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23 **
24 ** File Author(s):
25 **
26 ** Harry Storbacka
27 ** Magnus Norddahl
28 ** (if your name is missing here, please add it)
29 */
30 
33 
34 #pragma once
35 
36 #include "../api_display.h"
37 #include "../../Core/Math/point.h"
38 
46 {
49 
50  public:
53  position(-1.0,-1.0),
54  radius(0),
55  start(0),
56  end(0)
57  {
58  return;
59  }
60 
64 
65  public:
69  bool collide(const CL_OutlineCircle &other) const
70  {
71  if( &other == this )
72  return false;
73 
74  CL_Pointf pos = position - other.position;
75  float dist = float(sqrt( pos.x*pos.x+pos.y*pos.y ));
76 
77  if( dist > (radius + other.radius) )
78  return false;
79 
80  return true;
81  }
82 
86 
87  public:
89  float radius;
90  unsigned int start;
91  unsigned int end;
93 };
94