/usr/include/glm/gtx/transform2.inl is in libglm-dev 0.9.9~a2-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /// @ref gtx_transform2
/// @file glm/gtx/transform2.inl
namespace glm
{
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearX2D(mat<3, 3, T, Q> const& m, T s)
{
mat<3, 3, T, Q> r(1);
r[1][0] = s;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearY2D(mat<3, 3, T, Q> const& m, T s)
{
mat<3, 3, T, Q> r(1);
r[0][1] = s;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> shearX3D(mat<4, 4, T, Q> const& m, T s, T t)
{
mat<4, 4, T, Q> r(1);
r[0][1] = s;
r[0][2] = t;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> shearY3D(mat<4, 4, T, Q> const& m, T s, T t)
{
mat<4, 4, T, Q> r(1);
r[1][0] = s;
r[1][2] = t;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> shearZ3D(mat<4, 4, T, Q> const& m, T s, T t)
{
mat<4, 4, T, Q> r(1);
r[2][0] = s;
r[2][1] = t;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<3, 3, T, Q> reflect2D(mat<3, 3, T, Q> const& m, vec<3, T, Q> const& normal)
{
mat<3, 3, T, Q> r(static_cast<T>(1));
r[0][0] = static_cast<T>(1) - static_cast<T>(2) * normal.x * normal.x;
r[0][1] = -static_cast<T>(2) * normal.x * normal.y;
r[1][0] = -static_cast<T>(2) * normal.x * normal.y;
r[1][1] = static_cast<T>(1) - static_cast<T>(2) * normal.y * normal.y;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> reflect3D(mat<4, 4, T, Q> const& m, vec<3, T, Q> const& normal)
{
mat<4, 4, T, Q> r(static_cast<T>(1));
r[0][0] = static_cast<T>(1) - static_cast<T>(2) * normal.x * normal.x;
r[0][1] = -static_cast<T>(2) * normal.x * normal.y;
r[0][2] = -static_cast<T>(2) * normal.x * normal.z;
r[1][0] = -static_cast<T>(2) * normal.x * normal.y;
r[1][1] = static_cast<T>(1) - static_cast<T>(2) * normal.y * normal.y;
r[1][2] = -static_cast<T>(2) * normal.y * normal.z;
r[2][0] = -static_cast<T>(2) * normal.x * normal.z;
r[2][1] = -static_cast<T>(2) * normal.y * normal.z;
r[2][2] = static_cast<T>(1) - static_cast<T>(2) * normal.z * normal.z;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<3, 3, T, Q> proj2D(
const mat<3, 3, T, Q>& m,
const vec<3, T, Q>& normal)
{
mat<3, 3, T, Q> r(static_cast<T>(1));
r[0][0] = static_cast<T>(1) - normal.x * normal.x;
r[0][1] = - normal.x * normal.y;
r[1][0] = - normal.x * normal.y;
r[1][1] = static_cast<T>(1) - normal.y * normal.y;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> proj3D(
const mat<4, 4, T, Q>& m,
const vec<3, T, Q>& normal)
{
mat<4, 4, T, Q> r(static_cast<T>(1));
r[0][0] = static_cast<T>(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] = static_cast<T>(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] = static_cast<T>(1) - normal.z * normal.z;
return m * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> scaleBias(T scale, T bias)
{
mat<4, 4, T, Q> result;
result[3] = vec<4, T, Q>(vec<3, T, Q>(bias), static_cast<T>(1));
result[0][0] = scale;
result[1][1] = scale;
result[2][2] = scale;
return result;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER mat<4, 4, T, Q> scaleBias(mat<4, 4, T, Q> const& m, T scale, T bias)
{
return m * scaleBias(scale, bias);
}
}//namespace glm
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