From 43394c8a8908442982e3a7e25975c31b3c952923 Mon Sep 17 00:00:00 2001 From: Nikolas Date: Sun, 27 Oct 2024 12:52:55 +0200 Subject: root --- 3rdparty/include/glm/gtc/matrix_inverse.inl | 148 ++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 3rdparty/include/glm/gtc/matrix_inverse.inl (limited to '3rdparty/include/glm/gtc/matrix_inverse.inl') diff --git a/3rdparty/include/glm/gtc/matrix_inverse.inl b/3rdparty/include/glm/gtc/matrix_inverse.inl new file mode 100644 index 0000000..d88a331 --- /dev/null +++ b/3rdparty/include/glm/gtc/matrix_inverse.inl @@ -0,0 +1,148 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) +/// Permission is hereby granted, free of charge, to any person obtaining a copy +/// of this software and associated documentation files (the "Software"), to deal +/// in the Software without restriction, including without limitation the rights +/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +/// copies of the Software, and to permit persons to whom the Software is +/// furnished to do so, subject to the following conditions: +/// +/// The above copyright notice and this permission notice shall be included in +/// all copies or substantial portions of the Software. +/// +/// Restrictions: +/// By making use of the Software for military purposes, you choose to make +/// a Bunny unhappy. +/// +/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +/// THE SOFTWARE. +/// +/// @ref gtc_matrix_inverse +/// @file glm/gtc/matrix_inverse.inl +/// @date 2005-12-21 / 2011-06-15 +/// @author Christophe Riccio +/////////////////////////////////////////////////////////////////////////////////// + +namespace glm +{ + template + GLM_FUNC_QUALIFIER tmat3x3 affineInverse(tmat3x3 const & m) + { + tmat3x3 Result(m); + Result[2] = tvec3(0, 0, 1); + Result = transpose(Result); + tvec3 Translation = Result * tvec3(-tvec2(m[2]), m[2][2]); + Result[2] = Translation; + return Result; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 affineInverse(tmat4x4 const & m) + { + tmat4x4 Result(m); + Result[3] = tvec4(0, 0, 0, 1); + Result = transpose(Result); + tvec4 Translation = Result * tvec4(-tvec3(m[3]), m[3][3]); + Result[3] = Translation; + return Result; + } + + template + GLM_FUNC_QUALIFIER tmat2x2 inverseTranspose(tmat2x2 const & m) + { + T Determinant = m[0][0] * m[1][1] - m[1][0] * m[0][1]; + + tmat2x2 Inverse( + + m[1][1] / Determinant, + - m[0][1] / Determinant, + - m[1][0] / Determinant, + + m[0][0] / Determinant); + + return Inverse; + } + + template + GLM_FUNC_QUALIFIER tmat3x3 inverseTranspose(tmat3x3 const & m) + { + T Determinant = + + m[0][0] * (m[1][1] * m[2][2] - m[1][2] * m[2][1]) + - m[0][1] * (m[1][0] * m[2][2] - m[1][2] * m[2][0]) + + m[0][2] * (m[1][0] * m[2][1] - m[1][1] * m[2][0]); + + tmat3x3 Inverse(uninitialize); + Inverse[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]); + Inverse[0][1] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]); + Inverse[0][2] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]); + Inverse[1][0] = - (m[0][1] * m[2][2] - m[2][1] * m[0][2]); + Inverse[1][1] = + (m[0][0] * m[2][2] - m[2][0] * m[0][2]); + Inverse[1][2] = - (m[0][0] * m[2][1] - m[2][0] * m[0][1]); + Inverse[2][0] = + (m[0][1] * m[1][2] - m[1][1] * m[0][2]); + Inverse[2][1] = - (m[0][0] * m[1][2] - m[1][0] * m[0][2]); + Inverse[2][2] = + (m[0][0] * m[1][1] - m[1][0] * m[0][1]); + Inverse /= Determinant; + + return Inverse; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 inverseTranspose(tmat4x4 const & m) + { + T SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3]; + T SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3]; + T SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2]; + T SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3]; + T SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2]; + T SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1]; + T SubFactor06 = m[1][2] * m[3][3] - m[3][2] * m[1][3]; + T SubFactor07 = m[1][1] * m[3][3] - m[3][1] * m[1][3]; + T SubFactor08 = m[1][1] * m[3][2] - m[3][1] * m[1][2]; + T SubFactor09 = m[1][0] * m[3][3] - m[3][0] * m[1][3]; + T SubFactor10 = m[1][0] * m[3][2] - m[3][0] * m[1][2]; + T SubFactor11 = m[1][1] * m[3][3] - m[3][1] * m[1][3]; + T SubFactor12 = m[1][0] * m[3][1] - m[3][0] * m[1][1]; + T SubFactor13 = m[1][2] * m[2][3] - m[2][2] * m[1][3]; + T SubFactor14 = m[1][1] * m[2][3] - m[2][1] * m[1][3]; + T SubFactor15 = m[1][1] * m[2][2] - m[2][1] * m[1][2]; + T SubFactor16 = m[1][0] * m[2][3] - m[2][0] * m[1][3]; + T SubFactor17 = m[1][0] * m[2][2] - m[2][0] * m[1][2]; + T SubFactor18 = m[1][0] * m[2][1] - m[2][0] * m[1][1]; + + tmat4x4 Inverse(uninitialize); + Inverse[0][0] = + (m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02); + Inverse[0][1] = - (m[1][0] * SubFactor00 - m[1][2] * SubFactor03 + m[1][3] * SubFactor04); + Inverse[0][2] = + (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05); + Inverse[0][3] = - (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05); + + Inverse[1][0] = - (m[0][1] * SubFactor00 - m[0][2] * SubFactor01 + m[0][3] * SubFactor02); + Inverse[1][1] = + (m[0][0] * SubFactor00 - m[0][2] * SubFactor03 + m[0][3] * SubFactor04); + Inverse[1][2] = - (m[0][0] * SubFactor01 - m[0][1] * SubFactor03 + m[0][3] * SubFactor05); + Inverse[1][3] = + (m[0][0] * SubFactor02 - m[0][1] * SubFactor04 + m[0][2] * SubFactor05); + + Inverse[2][0] = + (m[0][1] * SubFactor06 - m[0][2] * SubFactor07 + m[0][3] * SubFactor08); + Inverse[2][1] = - (m[0][0] * SubFactor06 - m[0][2] * SubFactor09 + m[0][3] * SubFactor10); + Inverse[2][2] = + (m[0][0] * SubFactor11 - m[0][1] * SubFactor09 + m[0][3] * SubFactor12); + Inverse[2][3] = - (m[0][0] * SubFactor08 - m[0][1] * SubFactor10 + m[0][2] * SubFactor12); + + Inverse[3][0] = - (m[0][1] * SubFactor13 - m[0][2] * SubFactor14 + m[0][3] * SubFactor15); + Inverse[3][1] = + (m[0][0] * SubFactor13 - m[0][2] * SubFactor16 + m[0][3] * SubFactor17); + Inverse[3][2] = - (m[0][0] * SubFactor14 - m[0][1] * SubFactor16 + m[0][3] * SubFactor18); + Inverse[3][3] = + (m[0][0] * SubFactor15 - m[0][1] * SubFactor17 + m[0][2] * SubFactor18); + + T Determinant = + + m[0][0] * Inverse[0][0] + + m[0][1] * Inverse[0][1] + + m[0][2] * Inverse[0][2] + + m[0][3] * Inverse[0][3]; + + Inverse /= Determinant; + + return Inverse; + } +}//namespace glm -- cgit v1.2.3