From a8b3118e8305fd1c668ea25e07157b625c9747ff Mon Sep 17 00:00:00 2001 From: Joursoir Date: Sat, 10 Apr 2021 17:29:02 +0000 Subject: add glm headers --- src/include/glm/gtx/matrix_transform_2d.inl | 68 +++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/include/glm/gtx/matrix_transform_2d.inl (limited to 'src/include/glm/gtx/matrix_transform_2d.inl') diff --git a/src/include/glm/gtx/matrix_transform_2d.inl b/src/include/glm/gtx/matrix_transform_2d.inl new file mode 100644 index 0000000..755508a --- /dev/null +++ b/src/include/glm/gtx/matrix_transform_2d.inl @@ -0,0 +1,68 @@ +/// @ref gtx_matrix_transform_2d +/// @author Miguel Ángel Pérez Martínez + +#include "../trigonometric.hpp" + +namespace glm +{ + + template + GLM_FUNC_QUALIFIER mat<3, 3, T, Q> translate( + mat<3, 3, T, Q> const& m, + vec<2, T, Q> const& v) + { + mat<3, 3, T, Q> Result(m); + Result[2] = m[0] * v[0] + m[1] * v[1] + m[2]; + return Result; + } + + + template + GLM_FUNC_QUALIFIER mat<3, 3, T, Q> rotate( + mat<3, 3, T, Q> const& m, + T angle) + { + T const a = angle; + T const c = cos(a); + T const s = sin(a); + + mat<3, 3, T, Q> Result; + Result[0] = m[0] * c + m[1] * s; + Result[1] = m[0] * -s + m[1] * c; + Result[2] = m[2]; + return Result; + } + + template + GLM_FUNC_QUALIFIER mat<3, 3, T, Q> scale( + mat<3, 3, T, Q> const& m, + vec<2, T, Q> const& v) + { + mat<3, 3, T, Q> Result; + Result[0] = m[0] * v[0]; + Result[1] = m[1] * v[1]; + Result[2] = m[2]; + return Result; + } + + template + GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearX( + mat<3, 3, T, Q> const& m, + T y) + { + mat<3, 3, T, Q> Result(1); + Result[0][1] = y; + return m * Result; + } + + template + GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearY( + mat<3, 3, T, Q> const& m, + T x) + { + mat<3, 3, T, Q> Result(1); + Result[1][0] = x; + return m * Result; + } + +}//namespace glm -- cgit v1.2.3-18-g5258