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Diffstat (limited to 'external/include/glm/gtx/transform2.inl')
| -rw-r--r-- | external/include/glm/gtx/transform2.inl | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/external/include/glm/gtx/transform2.inl b/external/include/glm/gtx/transform2.inl new file mode 100644 index 0000000..6e0ab31 --- /dev/null +++ b/external/include/glm/gtx/transform2.inl @@ -0,0 +1,126 @@ +/// @ref gtx_transform2 +/// @file glm/gtx/transform2.inl + +namespace glm +{ + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat3x3<T, P> shearX2D(tmat3x3<T, P> const& m, T s) + { + tmat3x3<T, P> r(1); + r[1][0] = s; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat3x3<T, P> shearY2D(tmat3x3<T, P> const& m, T s) + { + tmat3x3<T, P> r(1); + r[0][1] = s; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> shearX3D(tmat4x4<T, P> const& m, T s, T t) + { + tmat4x4<T, P> r(1); + r[0][1] = s; + r[0][2] = t; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> shearY3D(tmat4x4<T, P> const& m, T s, T t) + { + tmat4x4<T, P> r(1); + r[1][0] = s; + r[1][2] = t; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> shearZ3D(tmat4x4<T, P> const& m, T s, T t) + { + tmat4x4<T, P> r(1); + r[2][0] = s; + r[2][1] = t; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat3x3<T, P> reflect2D(tmat3x3<T, P> const& m, tvec3<T, P> const& normal) + { + tmat3x3<T, P> r(static_cast<T>(1)); + r[0][0] = static_cast<T>(1) - static_cast<T>(2) * normal.x * normal.x; + r[0][1] = -static_cast<T>(2) * normal.x * normal.y; + r[1][0] = -static_cast<T>(2) * normal.x * normal.y; + r[1][1] = static_cast<T>(1) - static_cast<T>(2) * normal.y * normal.y; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> reflect3D(tmat4x4<T, P> const& m, tvec3<T, P> const& normal) + { + tmat4x4<T, P> r(static_cast<T>(1)); + r[0][0] = static_cast<T>(1) - static_cast<T>(2) * normal.x * normal.x; + r[0][1] = -static_cast<T>(2) * normal.x * normal.y; + r[0][2] = -static_cast<T>(2) * normal.x * normal.z; + + r[1][0] = -static_cast<T>(2) * normal.x * normal.y; + r[1][1] = static_cast<T>(1) - static_cast<T>(2) * normal.y * normal.y; + r[1][2] = -static_cast<T>(2) * normal.y * normal.z; + + r[2][0] = -static_cast<T>(2) * normal.x * normal.z; + r[2][1] = -static_cast<T>(2) * normal.y * normal.z; + r[2][2] = static_cast<T>(1) - static_cast<T>(2) * normal.z * normal.z; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat3x3<T, P> proj2D( + const tmat3x3<T, P>& m, + const tvec3<T, P>& normal) + { + tmat3x3<T, P> r(static_cast<T>(1)); + r[0][0] = static_cast<T>(1) - normal.x * normal.x; + r[0][1] = - normal.x * normal.y; + r[1][0] = - normal.x * normal.y; + r[1][1] = static_cast<T>(1) - normal.y * normal.y; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> proj3D( + const tmat4x4<T, P>& m, + const tvec3<T, P>& normal) + { + tmat4x4<T, P> r(static_cast<T>(1)); + r[0][0] = static_cast<T>(1) - normal.x * normal.x; + r[0][1] = - normal.x * normal.y; + r[0][2] = - normal.x * normal.z; + r[1][0] = - normal.x * normal.y; + r[1][1] = static_cast<T>(1) - normal.y * normal.y; + r[1][2] = - normal.y * normal.z; + r[2][0] = - normal.x * normal.z; + r[2][1] = - normal.y * normal.z; + r[2][2] = static_cast<T>(1) - normal.z * normal.z; + return m * r; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> scaleBias(T scale, T bias) + { + tmat4x4<T, P> result; + result[3] = tvec4<T, P>(tvec3<T, P>(bias), static_cast<T>(1)); + result[0][0] = scale; + result[1][1] = scale; + result[2][2] = scale; + return result; + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tmat4x4<T, P> scaleBias(tmat4x4<T, P> const& m, T scale, T bias) + { + return m * scaleBias(scale, bias); + } +}//namespace glm + |