00001 /* 00002 ** ClanLib SDK 00003 ** Copyright (c) 1997-2011 The ClanLib Team 00004 ** 00005 ** This software is provided 'as-is', without any express or implied 00006 ** warranty. In no event will the authors be held liable for any damages 00007 ** arising from the use of this software. 00008 ** 00009 ** Permission is granted to anyone to use this software for any purpose, 00010 ** including commercial applications, and to alter it and redistribute it 00011 ** freely, subject to the following restrictions: 00012 ** 00013 ** 1. The origin of this software must not be misrepresented; you must not 00014 ** claim that you wrote the original software. If you use this software 00015 ** in a product, an acknowledgment in the product documentation would be 00016 ** appreciated but is not required. 00017 ** 2. Altered source versions must be plainly marked as such, and must not be 00018 ** misrepresented as being the original software. 00019 ** 3. This notice may not be removed or altered from any source distribution. 00020 ** 00021 ** Note: Some of the libraries ClanLib may link to may have additional 00022 ** requirements or restrictions. 00023 ** 00024 ** File Author(s): 00025 ** 00026 ** Harry Storbacka 00027 ** Magnus Norddahl 00028 ** (if your name is missing here, please add it) 00029 */ 00030 00033 00034 #pragma once 00035 00036 #include "../api_display.h" 00037 #include "../../Core/Math/point.h" 00038 00045 class CL_OutlineCircle 00046 { 00049 00050 public: 00052 CL_OutlineCircle() : 00053 position(-1.0,-1.0), 00054 radius(0), 00055 start(0), 00056 end(0) 00057 { 00058 return; 00059 } 00060 00064 00065 public: 00069 bool collide(const CL_OutlineCircle &other) const 00070 { 00071 if( &other == this ) 00072 return false; 00073 00074 CL_Pointf pos = position - other.position; 00075 float dist = float(sqrt( pos.x*pos.x+pos.y*pos.y )); 00076 00077 if( dist > (radius + other.radius) ) 00078 return false; 00079 00080 return true; 00081 } 00082 00086 00087 public: 00088 CL_Pointf position; 00089 float radius; 00090 unsigned int start; 00091 unsigned int end; 00093 }; 00094