You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
159 lines
4.1 KiB
159 lines
4.1 KiB
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
// OpenGL Mathematics Copyright (c) 2005 - 2011 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{ |
|
namespace gtx{ |
|
namespace transform2 |
|
{ |
|
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 transform2 |
|
}//namespace gtx |
|
}//namespace glm |
|
|
|
|