00001 //------------------------------------------------------------------------------ 00002 // Lamp : Open source game middleware 00003 // Copyright (C) 2004 Junpei Ohtani ( Email : junpee@users.sourceforge.jp ) 00004 // 00005 // This library is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU Lesser General Public 00007 // License as published by the Free Software Foundation; either 00008 // version 2.1 of the License, or (at your option) any later version. 00009 // 00010 // This library is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // Lesser General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public 00016 // License along with this library; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 //------------------------------------------------------------------------------ 00019 00020 /** @file 00021 * 数学実装 00022 * @author Junpee 00023 */ 00024 00025 #include "LampBasic.h" 00026 #include "Core/System/Math.h" 00027 00028 namespace Lamp{ 00029 00030 //------------------------------------------------------------------------------ 00031 // 定数 00032 //------------------------------------------------------------------------------ 00033 // パイ 00034 const float Math::PI = (float)3.14159265358979323846; 00035 00036 // パイ * 4 00037 const float Math::quadruplePI = (float)(3.14159265358979323846 * 4.); 00038 00039 // パイ * 2 00040 const float Math::doublePI = (float)(3.14159265358979323846 * 2.); 00041 00042 // パイ / 2 00043 const float Math::halfPI = (float)(3.14159265358979323846 / 2.); 00044 00045 // パイ / 4 00046 const float Math::quadrantPI = (float)(3.14159265358979323846 / 4.); 00047 00048 // 自然対数の底 00049 const float Math::E = 2.71828182845904523536f; 00050 00051 // イプシロン 00052 const float Math::epsilon = 1e-06f; 00053 00054 //------------------------------------------------------------------------------ 00055 } // End of namespace Lamp 00056 //------------------------------------------------------------------------------