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96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
#ifndef TEMPEST_MATRIX_C_33MATRIX_HPP
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#define TEMPEST_MATRIX_C_33MATRIX_HPP
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#include "tempest/vector/C2Vector.hpp"
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#include "tempest/vector/C3Vector.hpp"
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class C4Quaternion;
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class C33Matrix {
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public:
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enum : uint32_t {
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eComponents = 9
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};
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// Static functions
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static float Det(float a, float b, float c, float d);
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static C33Matrix Rotation(float angle);
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static C33Matrix Rotation(float angle, const C3Vector& axis, bool unit);
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// Member variables
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float a0 = 1.0f;
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float a1 = 0.0f;
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float a2 = 0.0f;
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float b0 = 0.0f;
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float b1 = 1.0f;
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float b2 = 0.0f;
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float c0 = 0.0f;
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float c1 = 0.0f;
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float c2 = 1.0f;
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// Member functions
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C33Matrix() = default;
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C33Matrix(const C3Vector& r0, const C3Vector& r1, const C3Vector& r2)
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: a0(r0.x)
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, a1(r0.y)
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, a2(r0.z)
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, b0(r1.x)
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, b1(r1.y)
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, b2(r1.z)
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, c0(r2.x)
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, c1(r2.y)
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, c2(r2.z) {};
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C33Matrix(float a0, float a1, float a2, float b0, float b1, float b2, float c0, float c1, float c2)
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: a0(a0)
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, a1(a1)
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, a2(a2)
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, b0(b0)
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, b1(b1)
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, b2(b2)
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, c0(c0)
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, c1(c1)
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, c2(c2) {};
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explicit C33Matrix(float a)
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: a0(a)
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, a1(a)
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, a2(a)
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, b0(a)
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, b1(a)
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, b2(a)
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, c0(a)
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, c1(a)
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, c2(a) {};
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C33Matrix& operator+=(const C33Matrix& a);
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C33Matrix& operator-=(const C33Matrix& a);
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C33Matrix& operator*=(float a);
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C33Matrix& operator*=(const C33Matrix& a);
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C33Matrix& operator/=(float a);
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void Zero();
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void Identity();
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float Trace();
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void Scale(float scale);
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void Scale(float x, float y);
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void Scale(const C2Vector& scale);
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void Scale(float x, float y, float z);
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void Scale(const C3Vector& scale);
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void Rotate(float angle);
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void Rotate(const C4Quaternion& rotation);
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void Rotate(float angle, const C3Vector& axis, bool unit);
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void Translate(const C2Vector& move);
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C33Matrix Transpose() const;
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float Determinant() const;
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C33Matrix Cofactors() const;
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C33Matrix Adjoint() const;
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C33Matrix Inverse() const;
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C33Matrix Inverse(float det) const;
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C33Matrix AffineInverse(const C3Vector& v) const;
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C33Matrix AffineInverse(float a) const;
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};
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C33Matrix operator*(const C33Matrix& l, float a);
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C33Matrix operator*(const C33Matrix& l, const C33Matrix& r);
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C33Matrix operator/(const C33Matrix& l, float a);
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#endif
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