outline_circle.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 ** Harry Storbacka
27 ** Magnus Norddahl
28 ** (if your name is missing here, please add it)
29 */
30 
31 
32 #pragma once
33 
34 #include "../api_display.h"
35 #include "../../Core/Math/point.h"
36 
37 namespace clan
38 {
41 
48 {
51 
52  public:
55  position(-1.0,-1.0),
56  radius(0),
57  start(0),
58  end(0)
59  {
60  return;
61  }
62 
66 
67  public:
71  bool collide(const OutlineCircle &other) const
72  {
73  if( &other == this )
74  return false;
75 
76  Pointf pos = position - other.position;
77  float dist = float(sqrt( pos.x*pos.x+pos.y*pos.y ));
78 
79  if( dist > (radius + other.radius) )
80  return false;
81 
82  return true;
83  }
84 
88 
89  public:
91  float radius;
92  unsigned int start;
93  unsigned int end;
95 };
96 
97 }
98 
Collision detection outline segmentation circle.
Definition: outline_circle.h:47
Pointf position
Definition: outline_circle.h:90
Type x
Definition: vec2.h:82
unsigned int start
Definition: outline_circle.h:92
bool collide(const OutlineCircle &other) const
Construct a outline circle.
Definition: outline_circle.h:71
OutlineCircle()
Construct a outline circle.
Definition: outline_circle.h:54
unsigned int end
Definition: outline_circle.h:93
2D (x,y) point structure - Float
Definition: point.h:73
float radius
Definition: outline_circle.h:91
Type y
Definition: vec2.h:83