ladybird/Libraries/LibGfx/Matrix3x3.h

33 lines
735 B
C++

/*
* Copyright (c) 2021, Jelle Raaijmakers <jelle@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Matrix.h>
#include <LibGfx/Vector3.h>
namespace Gfx {
template<typename T>
using Matrix3x3 = Matrix<3, T>;
template<typename T>
constexpr static Vector3<T> operator*(Matrix3x3<T> const& m, Vector3<T> const& v)
{
return Vector3<T>(
v.x() * m[0, 0] + v.y() * m[0, 1] + v.z() * m[0, 2],
v.x() * m[1, 0] + v.y() * m[1, 1] + v.z() * m[1, 2],
v.x() * m[2, 0] + v.y() * m[2, 1] + v.z() * m[2, 2]);
}
typedef Matrix3x3<float> FloatMatrix3x3;
typedef Matrix3x3<double> DoubleMatrix3x3;
}
using Gfx::DoubleMatrix3x3;
using Gfx::FloatMatrix3x3;
using Gfx::Matrix3x3;