/////////////////////////////////////////////////////////////////////////////////////////////////// // OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net) /////////////////////////////////////////////////////////////////////////////////////////////////// // Created : 2005-02-28 // Updated : 2005-04-23 // Licence : This source is under MIT License // File : glm/gtx/transform2.inl /////////////////////////////////////////////////////////////////////////////////////////////////// namespace glm { template GLM_FUNC_QUALIFIER detail::tmat3x3 shearX2D( const detail::tmat3x3& m, T s) { detail::tmat3x3 r(1); r[0][1] = s; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat3x3 shearY2D( const detail::tmat3x3& m, T s) { detail::tmat3x3 r(1); r[1][0] = s; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 shearX3D( const detail::tmat4x4& m, T s, T t) { detail::tmat4x4 r(1); r[1][0] = s; r[2][0] = t; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 shearY3D( const detail::tmat4x4& m, T s, T t) { detail::tmat4x4 r(1); r[0][1] = s; r[2][1] = t; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 shearZ3D( const detail::tmat4x4& m, T s, T t) { detail::tmat4x4 r(1); r[0][2] = s; r[1][2] = t; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat3x3 reflect2D( const detail::tmat3x3& m, const detail::tvec3& normal) { detail::tmat3x3 r(1); r[0][0] = 1 - 2 * normal.x * normal.x; r[0][1] = -2 * normal.x * normal.y; r[1][0] = -2 * normal.x * normal.y; r[1][1] = 1 - 2 * normal.y * normal.y; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 reflect3D( const detail::tmat4x4& m, const detail::tvec3& normal) { detail::tmat4x4 r(1); r[0][0] = 1 - 2 * normal.x * normal.x; r[0][1] = -2 * normal.x * normal.y; r[0][2] = -2 * normal.x * normal.z; r[1][0] = -2 * normal.x * normal.y; r[1][1] = 1 - 2 * normal.y * normal.y; r[1][2] = -2 * normal.y * normal.z; r[2][0] = -2 * normal.x * normal.z; r[2][1] = -2 * normal.y * normal.z; r[2][2] = 1 - 2 * normal.z * normal.z; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat3x3 proj2D( const detail::tmat3x3& m, const detail::tvec3& normal) { detail::tmat3x3 r(1); r[0][0] = 1 - normal.x * normal.x; r[0][1] = - normal.x * normal.y; r[1][0] = - normal.x * normal.y; r[1][1] = 1 - normal.y * normal.y; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 proj3D( const detail::tmat4x4& m, const detail::tvec3& normal) { detail::tmat4x4 r(1); r[0][0] = 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] = 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] = 1 - normal.z * normal.z; return m * r; } template GLM_FUNC_QUALIFIER detail::tmat4x4 scaleBias( T scale, T bias) { detail::tmat4x4 result; result[3] = detail::tvec4(detail::tvec3(bias), T(1)); result[0][0] = scale; result[1][1] = scale; result[2][2] = scale; return result; } template GLM_FUNC_QUALIFIER detail::tmat4x4 scaleBias( const detail::tmat4x4& m, T scale, T bias) { return m * scaleBias(scale, bias); } }//namespace glm