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