36 lines
987 B
C++
36 lines
987 B
C++
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#ifndef MATRIX_H
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#define MATRIX_H MATRIX_H
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#include "Vector.h"
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#include <iostream>
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class Matrix
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{
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public:
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Matrix();
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typedef double Matrix_row_t[4];
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Matrix_row_t & operator[](int idx) { return m_matrix[idx]; }
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const Matrix_row_t & operator[](int idx) const { return m_matrix[idx]; }
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static Matrix identity();
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double determinant();
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Matrix getInverse();
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Matrix & operator*=(const Matrix & other);
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protected:
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double m_matrix[4][4];
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double m_inverse[4][4];
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bool m_inverse_calculated;
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bool m_inverse_valid;
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void calculateInverse();
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};
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Matrix operator*(const Matrix & m1, const Matrix & m2);
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Vector operator*(const Matrix & m, const Vector & v); /* transform point */
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Vector operator%(const Matrix & m, const Vector & v); /* transform direction */
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bool operator==(const Matrix & m1, const Matrix & m2);
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std::ostream & operator<<(std::ostream & out, const Matrix & m);
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#endif
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