librw/tests/gl/math/mat3.h
2015-01-17 21:51:04 +01:00

44 lines
966 B
C++
Executable File

#ifndef MATH_MATRIX3_H
#define MATH_MATRIX3_H
#include <iostream>
#include <cmath>
class Mat4;
class Mat3 {
public:
union {
float e[3][3];
float cr[9];
};
Mat3(void);
Mat3(float f);
Mat3(float *f);
Mat3(float e00, float e10, float e20,
float e01, float e11, float e21,
float e02, float e12, float e22);
Mat3(const Mat4 &m);
float *ptr(void);
static Mat3 rotation(float theta, const Vec3 &v);
static Mat3 rotation(const Quat &v);
static Mat3 scale(const Vec3 &v);
Mat3 transpose(void) const;
Mat3 operator+(const Mat3 &rhs) const;
Mat3 operator-(const Mat3 &rhs) const;
Mat3 operator*(float rhs) const;
Mat3 operator/(float rhs) const;
Mat3 operator*(const Mat3 &rhs) const;
Vec3 operator*(const Vec3 &rhs) const;
Mat3 &operator+=(const Mat3 &rhs);
Mat3 &operator-=(const Mat3 &rhs);
Mat3 &operator*=(float rhs);
Mat3 &operator/=(float rhs);
Mat3 &operator*=(const Mat3 &rhs);
void print(std::ostream &of) const;
};
#endif