Angle.h
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00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Math Library 00005 * Module : Angle 00006 * Package : Zeus.ZeusMath.System 00007 * Author : Martin Abbuehl 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 #ifndef AngleH 00033 #define AngleH 00034 00035 #include <math.h> 00036 #include <zeusmath/System/Interfaces/IAngle.hpp> 00037 #include <zeusmath/System/Constants.h> 00038 #include <zeusbase/System/Float.h> 00039 00040 00041 BEGIN_NAMESPACE_Zeus 00042 00043 00044 /******************************************************************************/ 00051 /******************************************************************************/ 00052 zeusmath_class TAngle : public IAngle 00053 { 00054 public: 00056 inline TAngle() { setRadians(0); } 00057 00059 TAngle(const Float& fAngle, ESystem eSystem); 00060 00062 inline TAngle(const TAngle& rAngle) { *this = rAngle; } 00063 00065 inline TAngle(const IAngle& rAngle) { *this = rAngle; } 00066 00068 virtual inline ~TAngle() { } 00069 00070 // Methods of IAngle. 00071 virtual inline Float MQUALIFIER getRadians() const { return m_fRadians; } 00072 virtual inline Float MQUALIFIER getDegrees() const { return radiansToDegrees(getRadians()); } 00073 00074 virtual inline void MQUALIFIER setRadians(const Float& fAngle) { m_fRadians = fAngle; } 00075 virtual inline void MQUALIFIER setDegrees(const Float& fAngle) { setRadians(degreesToRadians(fAngle)); } 00076 00077 virtual inline void MQUALIFIER assign(const IAngle& rAngle) { *this = rAngle; } 00078 00079 virtual bool MQUALIFIER isEqual(const IAngle& rAngle, 00080 bool bNormalizeToSingleCircle = false) const; 00081 00082 virtual inline Float MQUALIFIER cos() const { return TFloat(getRadians()).cos(); } 00083 virtual inline Float MQUALIFIER sin() const { return TFloat(getRadians()).sin(); } 00084 virtual inline Float MQUALIFIER tan() const { return TFloat(getRadians()).tan(); } 00085 00086 virtual void MQUALIFIER normalizeToInterval(const IAngle& rAngleMin, 00087 const IAngle& rAngleMax, 00088 bool bIncludeMin, bool bIncludeMax); 00089 00090 virtual void MQUALIFIER normalizeToSingleCircle(); 00091 00093 inline const TAngle& operator=(const IAngle& rAngle) { setRadians(rAngle.getRadians()); return *this; } 00094 00096 inline const TAngle& operator=(const TAngle& rAngle) { setRadians(rAngle.getRadians()); return *this; } 00097 00098 //Mathematical operators 00099 inline TAngle operator+ (const IAngle& rAngle) const { return TAngle(getRadians() + rAngle.getRadians(), etRadians); } 00100 inline TAngle operator- (const IAngle& rAngle) const { return TAngle(getRadians() - rAngle.getRadians(), etRadians); } 00101 inline const TAngle& operator+=(const IAngle& rAngle) { *this = *this + rAngle; return *this; } 00102 inline const TAngle& operator-=(const IAngle& rAngle) { *this = *this - rAngle; return *this; } 00103 inline TAngle operator* (const Float& rFloat) const { return TAngle(getRadians() * rFloat, etRadians); } 00104 inline TAngle operator/ (const Float& rFloat) const { return *this * (Float(1) / rFloat); } 00105 00106 //Compare operators 00107 inline bool operator==(const IAngle& rAngle) const { return TFloat::equalsFloat(getRadians(), rAngle.getRadians()); } 00108 inline bool operator!=(const IAngle& rAngle) const { return !(*this == rAngle); } 00109 inline bool operator< (const IAngle& rAngle) const { return (getRadians() < rAngle.getRadians()); } 00110 inline bool operator<=(const IAngle& rAngle) const { return (getRadians() <= rAngle.getRadians()); } 00111 inline bool operator> (const IAngle& rAngle) const { return (getRadians() > rAngle.getRadians()); } 00112 inline bool operator>=(const IAngle& rAngle) const { return (getRadians() >= rAngle.getRadians()); } 00113 00114 /**************************************************************************/ 00119 /**************************************************************************/ 00120 static inline Float radiansToDegrees(const Float& fAngle) { return fAngle * TConstants::RadiansToDegrees; } 00121 00122 /**************************************************************************/ 00127 /**************************************************************************/ 00128 static inline Float degreesToRadians(const Float& fAngle) { return fAngle * TConstants::DegreesToRadians; } 00129 00130 Float getValue(ESystem eSystem) const; 00131 00132 private: 00134 Float m_fRadians; 00135 }; 00136 00137 //Global operators. 00138 /******************************************************************************/ 00141 /******************************************************************************/ 00142 inline TAngle operator-(const IAngle& rAngle) { return TAngle(-rAngle.getRadians(), IAngle::etRadians); } 00143 00144 /******************************************************************************/ 00147 /******************************************************************************/ 00148 inline TAngle operator+(const IAngle& rAngle) { return TAngle(rAngle); } 00149 00150 00151 END_NAMESPACE_Zeus 00152 00153 #endif 00154