46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#pragma once
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#include <J3ML/LinearAlgebra/Vector2.h>
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#include <J3ML/LinearAlgebra/Common.h>
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#include <J3ML/LinearAlgebra/Matrices.inl>
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namespace J3ML::LinearAlgebra {
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class Matrix2x2 {
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public:
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enum { Rows = 3 };
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enum { Cols = 3 };
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static const Matrix2x2 Zero;
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static const Matrix2x2 Identity;
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static const Matrix2x2 NaN;
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Matrix2x2() {}
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Matrix2x2(float val);
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Matrix2x2(float m00, float m01, float m10, float m11);
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Matrix2x2(const Vector2& r1, const Vector2& r2);
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explicit Matrix2x2(const float *data);
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Vector2 GetRow(int index) const;
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Vector2 GetColumn(int index) const;
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void SetRow(int i, const Vector2& row);
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void SetColumn(int i, const Vector2& col);
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void SetAt(int x, int y, float value);
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float At(int x, int y) const;
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float &At(int x, int y);
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float Determinant() const;
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Matrix2x2 Inverse() const;
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Matrix2x2 Transpose() const;
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Vector2 Transform(const Vector2& rhs) const;
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Vector2 operator * (const Vector2& rhs) const;
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Matrix2x2 operator * (const Matrix2x2 &rhs) const;
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protected:
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float elems[2][2];
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};
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} |