1 /////////////////////////////////////////////////////////////////////////////////// 2 /// OpenGL Mathematics (glm.g-truc.net) 3 /// 4 /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) 5 /// Permission is hereby granted, free of charge, to any person obtaining a copy 6 /// of this software and associated documentation files (the "Software"), to deal 7 /// in the Software without restriction, including without limitation the rights 8 /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 /// copies of the Software, and to permit persons to whom the Software is 10 /// furnished to do so, subject to the following conditions: 11 /// 12 /// The above copyright notice and this permission notice shall be included in 13 /// all copies or substantial portions of the Software. 14 /// 15 /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 /// THE SOFTWARE. 22 /// 23 /// @ref gtx_matrix_transform_2d 24 /// @file glm/gtc/matrix_transform_2d.inl 25 /// @date 2014-02-20 26 /// @author Miguel ngel Prez Martnez 27 /////////////////////////////////////////////////////////////////////////////////// 28 29 #include "../trigonometric.hpp" 30 31 namespace glm 32 { 33 34 template <typename T, precision P> 35 GLM_FUNC_QUALIFIER detail::tmat3x3<T, P> translate( 36 detail::tmat3x3<T, P> const & m, 37 detail::tvec2<T, P> const & v) 38 { 39 detail::tmat3x3<T, P> Result(m); 40 Result[2] = m[0] * v[0] + m[1] * v[1] + m[2]; 41 return Result; 42 } 43 44 45 template <typename T, precision P> 46 GLM_FUNC_QUALIFIER detail::tmat3x3<T, P> rotate( 47 detail::tmat3x3<T, P> const & m, 48 T const & angle) 49 { 50 #ifdef GLM_FORCE_RADIANS 51 T a = angle; 52 #else 53 T a = radians(angle); 54 #endif 55 T c = cos(a); 56 T s = sin(a); 57 58 detail::tmat3x3<T, P> Result(detail::tmat3x3<T, P>::_null); 59 Result[0] = m[0] * c + m[1] * s; 60 Result[1] = m[0] * -s + m[1] * c; 61 Result[2] = m[2]; 62 return Result; 63 } 64 65 template <typename T, precision P> 66 GLM_FUNC_QUALIFIER detail::tmat3x3<T, P> scale( 67 detail::tmat3x3<T, P> const & m, 68 detail::tvec2<T, P> const & v) 69 { 70 detail::tmat3x3<T, P> Result(detail::tmat3x3<T, P>::_null); 71 Result[0] = m[0] * v[0]; 72 Result[1] = m[1] * v[1]; 73 Result[2] = m[2]; 74 return Result; 75 } 76 77 template <typename T, precision P> 78 GLM_FUNC_QUALIFIER detail::tmat3x3<T, P> shearX( 79 detail::tmat3x3<T, P> const & m, 80 T const & y) 81 { 82 detail::tmat3x3<T, P> Result(); 83 Result[0][1] = y; 84 return m * Result; 85 } 86 87 template <typename T, precision P> 88 GLM_FUNC_QUALIFIER detail::tmat3x3<T, P> shearY( 89 detail::tmat3x3<T, P> const & m, 90 T const & x) 91 { 92 detail::tmat3x3<T, P> Result(); 93 Result[1][0] = x; 94 return m * Result; 95 } 96 97 }//namespace glm 98
