From 74c6854fd8dcbaee736ac0421805ff1e03c4a1e2 Mon Sep 17 00:00:00 2001 From: iamn1ck Date: Sun, 19 Feb 2017 07:00:34 -0600 Subject: -quadtree and opengl rendering are now in the master branch ! -using sdl_rect for location and size ended up being not so great due to it not having floats, so we reverted back to using location -much, much refractoring is now needed --- inc/glm/gtx/transform2.inl | 177 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 inc/glm/gtx/transform2.inl (limited to 'inc/glm/gtx/transform2.inl') diff --git a/inc/glm/gtx/transform2.inl b/inc/glm/gtx/transform2.inl new file mode 100644 index 0000000..4213b13 --- /dev/null +++ b/inc/glm/gtx/transform2.inl @@ -0,0 +1,177 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// 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 gtx_transform2 +/// @file glm/gtx/transform2.inl +/// @date 2005-12-21 / 2011-06-07 +/// @author Christophe Riccio +/////////////////////////////////////////////////////////////////////////////////// + +namespace glm +{ + template + GLM_FUNC_QUALIFIER tmat3x3 shearX2D( + const tmat3x3& m, + T s) + { + tmat3x3 r(1); + r[0][1] = s; + return m * r; + } + + template + GLM_FUNC_QUALIFIER tmat3x3 shearY2D( + const tmat3x3& m, + T s) + { + tmat3x3 r(1); + r[1][0] = s; + return m * r; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 shearX3D( + const tmat4x4& m, + T s, + T t) + { + tmat4x4 r(1); + r[1][0] = s; + r[2][0] = t; + return m * r; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 shearY3D( + const tmat4x4& m, + T s, + T t) + { + tmat4x4 r(1); + r[0][1] = s; + r[2][1] = t; + return m * r; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 shearZ3D( + const tmat4x4& m, + T s, + T t) + { + tmat4x4 r(1); + r[0][2] = s; + r[1][2] = t; + return m * r; + } + + template + GLM_FUNC_QUALIFIER tmat3x3 reflect2D( + const tmat3x3& m, + const tvec3& normal) + { + 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 tmat4x4 reflect3D( + const tmat4x4& m, + const tvec3& normal) + { + 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 tmat3x3 proj2D( + const tmat3x3& m, + const tvec3& normal) + { + 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 tmat4x4 proj3D( + const tmat4x4& m, + const tvec3& normal) + { + 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 tmat4x4 scaleBias( + T scale, + T bias) + { + tmat4x4 result; + result[3] = tvec4(tvec3(bias), T(1)); + result[0][0] = scale; + result[1][1] = scale; + result[2][2] = scale; + return result; + } + + template + GLM_FUNC_QUALIFIER tmat4x4 scaleBias( + const tmat4x4& m, + T scale, + T bias) + { + return m * scaleBias(scale, bias); + } +}//namespace glm + -- cgit v1.2.3