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///////////////////////////////////////////////////////////////////////////////////////////////////
// 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 <typename T>
GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearX2D(
const detail::tmat3x3<T>& m,
T s)
{
detail::tmat3x3<T> r(1);
r[0][1] = s;
return m * r;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearY2D(
const detail::tmat3x3<T>& m,
T s)
{
detail::tmat3x3<T> r(1);
r[1][0] = s;
return m * r;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearX3D(
const detail::tmat4x4<T>& m,
T s,
T t)
{
detail::tmat4x4<T> r(1);
r[1][0] = s;
r[2][0] = t;
return m * r;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearY3D(
const detail::tmat4x4<T>& m,
T s,
T t)
{
detail::tmat4x4<T> r(1);
r[0][1] = s;
r[2][1] = t;
return m * r;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearZ3D(
const detail::tmat4x4<T>& m,
T s,
T t)
{
detail::tmat4x4<T> r(1);
r[0][2] = s;
r[1][2] = t;
return m * r;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat3x3<T> reflect2D(
const detail::tmat3x3<T>& m,
const detail::tvec3<T>& normal)
{
detail::tmat3x3<T> 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 <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> reflect3D(
const detail::tmat4x4<T>& m,
const detail::tvec3<T>& normal)
{
detail::tmat4x4<T> 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 <typename T>
GLM_FUNC_QUALIFIER detail::tmat3x3<T> proj2D(
const detail::tmat3x3<T>& m,
const detail::tvec3<T>& normal)
{
detail::tmat3x3<T> 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 <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> proj3D(
const detail::tmat4x4<T>& m,
const detail::tvec3<T>& normal)
{
detail::tmat4x4<T> 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 <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
T scale,
T bias)
{
detail::tmat4x4<T> result;
result[3] = detail::tvec4<T>(detail::tvec3<T>(bias), T(1));
result[0][0] = scale;
result[1][1] = scale;
result[2][2] = scale;
return result;
}
template <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
const detail::tmat4x4<T>& m,
T scale,
T bias)
{
return m * scaleBias(scale, bias);
}
}//namespace glm