1 /////////////////////////////////////////////////////////////////////////////////////////////////// 2 // OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) 3 /////////////////////////////////////////////////////////////////////////////////////////////////// 4 // Created : 2006-11-02 5 // Updated : 2009-02-19 6 // Licence : This source is under MIT License 7 // File : glm/gtx/rotate_vector.inl 8 /////////////////////////////////////////////////////////////////////////////////////////////////// 9 10 namespace glm 11 { 12 template <typename T, precision P> 13 GLM_FUNC_QUALIFIER detail::tvec2<T, P> rotate 14 ( 15 detail::tvec2<T, P> const & v, 16 T const & angle 17 ) 18 { 19 detail::tvec2<T, P> Result; 20 #ifdef GLM_FORCE_RADIANS 21 T const Cos(cos(angle)); 22 T const Sin(sin(angle)); 23 #else 24 # pragma message("GLM: rotate function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 25 T const Cos = cos(radians(angle)); 26 T const Sin = sin(radians(angle)); 27 #endif 28 Result.x = v.x * Cos - v.y * Sin; 29 Result.y = v.x * Sin + v.y * Cos; 30 return Result; 31 } 32 33 template <typename T, precision P> 34 GLM_FUNC_QUALIFIER detail::tvec3<T, P> rotate 35 ( 36 detail::tvec3<T, P> const & v, 37 T const & angle, 38 detail::tvec3<T, P> const & normal 39 ) 40 { 41 return detail::tmat3x3<T, P>(glm::rotate(angle, normal)) * v; 42 } 43 /* 44 template <typename T, precision P> 45 GLM_FUNC_QUALIFIER detail::tvec3<T, P> rotateGTX( 46 const detail::tvec3<T, P>& x, 47 T angle, 48 const detail::tvec3<T, P>& normal) 49 { 50 const T Cos = cos(radians(angle)); 51 const T Sin = sin(radians(angle)); 52 return x * Cos + ((x * normal) * (T(1) - Cos)) * normal + cross(x, normal) * Sin; 53 } 54 */ 55 template <typename T, precision P> 56 GLM_FUNC_QUALIFIER detail::tvec4<T, P> rotate 57 ( 58 detail::tvec4<T, P> const & v, 59 T const & angle, 60 detail::tvec3<T, P> const & normal 61 ) 62 { 63 return rotate(angle, normal) * v; 64 } 65 66 template <typename T, precision P> 67 GLM_FUNC_QUALIFIER detail::tvec3<T, P> rotateX 68 ( 69 detail::tvec3<T, P> const & v, 70 T const & angle 71 ) 72 { 73 detail::tvec3<T, P> Result(v); 74 75 #ifdef GLM_FORCE_RADIANS 76 T const Cos(cos(angle)); 77 T const Sin(sin(angle)); 78 #else 79 # pragma message("GLM: rotateX function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 80 T const Cos = cos(radians(angle)); 81 T const Sin = sin(radians(angle)); 82 #endif 83 84 Result.y = v.y * Cos - v.z * Sin; 85 Result.z = v.y * Sin + v.z * Cos; 86 return Result; 87 } 88 89 template <typename T, precision P> 90 GLM_FUNC_QUALIFIER detail::tvec3<T, P> rotateY 91 ( 92 detail::tvec3<T, P> const & v, 93 T const & angle 94 ) 95 { 96 detail::tvec3<T, P> Result = v; 97 98 #ifdef GLM_FORCE_RADIANS 99 T const Cos(cos(angle)); 100 T const Sin(sin(angle)); 101 #else 102 # pragma message("GLM: rotateY function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 103 T const Cos(cos(radians(angle))); 104 T const Sin(sin(radians(angle))); 105 #endif 106 107 Result.x = v.x * Cos + v.z * Sin; 108 Result.z = -v.x * Sin + v.z * Cos; 109 return Result; 110 } 111 112 template <typename T, precision P> 113 GLM_FUNC_QUALIFIER detail::tvec3<T, P> rotateZ 114 ( 115 detail::tvec3<T, P> const & v, 116 T const & angle 117 ) 118 { 119 detail::tvec3<T, P> Result = v; 120 121 #ifdef GLM_FORCE_RADIANS 122 T const Cos(cos(angle)); 123 T const Sin(sin(angle)); 124 #else 125 # pragma message("GLM: rotateZ function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 126 T const Cos(cos(radians(angle))); 127 T const Sin(sin(radians(angle))); 128 #endif 129 130 Result.x = v.x * Cos - v.y * Sin; 131 Result.y = v.x * Sin + v.y * Cos; 132 return Result; 133 } 134 135 template <typename T, precision P> 136 GLM_FUNC_QUALIFIER detail::tvec4<T, P> rotateX 137 ( 138 detail::tvec4<T, P> const & v, 139 T const & angle 140 ) 141 { 142 detail::tvec4<T, P> Result = v; 143 144 #ifdef GLM_FORCE_RADIANS 145 T const Cos(cos(angle)); 146 T const Sin(sin(angle)); 147 #else 148 # pragma message("GLM: rotateX function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 149 T const Cos(cos(radians(angle))); 150 T const Sin(sin(radians(angle))); 151 #endif 152 153 Result.y = v.y * Cos - v.z * Sin; 154 Result.z = v.y * Sin + v.z * Cos; 155 return Result; 156 } 157 158 template <typename T, precision P> 159 GLM_FUNC_QUALIFIER detail::tvec4<T, P> rotateY 160 ( 161 detail::tvec4<T, P> const & v, 162 T const & angle 163 ) 164 { 165 detail::tvec4<T, P> Result = v; 166 167 #ifdef GLM_FORCE_RADIANS 168 T const Cos(cos(angle)); 169 T const Sin(sin(angle)); 170 #else 171 # pragma message("GLM: rotateX function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 172 T const Cos(cos(radians(angle))); 173 T const Sin(sin(radians(angle))); 174 #endif 175 176 Result.x = v.x * Cos + v.z * Sin; 177 Result.z = -v.x * Sin + v.z * Cos; 178 return Result; 179 } 180 181 template <typename T, precision P> 182 GLM_FUNC_QUALIFIER detail::tvec4<T, P> rotateZ 183 ( 184 detail::tvec4<T, P> const & v, 185 T const & angle 186 ) 187 { 188 detail::tvec4<T, P> Result = v; 189 190 #ifdef GLM_FORCE_RADIANS 191 T const Cos(cos(angle)); 192 T const Sin(sin(angle)); 193 #else 194 # pragma message("GLM: rotateZ function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 195 T const Cos(cos(radians(angle))); 196 T const Sin(sin(radians(angle))); 197 #endif 198 199 Result.x = v.x * Cos - v.y * Sin; 200 Result.y = v.x * Sin + v.y * Cos; 201 return Result; 202 } 203 204 template <typename T, precision P> 205 GLM_FUNC_QUALIFIER detail::tmat4x4<T, P> orientation 206 ( 207 detail::tvec3<T, P> const & Normal, 208 detail::tvec3<T, P> const & Up 209 ) 210 { 211 if(all(equal(Normal, Up))) 212 return detail::tmat4x4<T, P>(T(1)); 213 214 detail::tvec3<T, P> RotationAxis = cross(Up, Normal); 215 # ifdef GLM_FORCE_RADIANS 216 T Angle = acos(dot(Normal, Up)); 217 # else 218 # pragma message("GLM: rotateZ function taking degrees as parameters is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.") 219 T Angle = degrees(acos(dot(Normal, Up))); 220 # endif 221 return rotate(Angle, RotationAxis); 222 } 223 }//namespace glm 224
