1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/gmath/matrix.h	Sat Jul 25 05:52:39 2015 +0300
     1.3 @@ -0,0 +1,58 @@
     1.4 +#ifndef GMATH_MATRIX_H_
     1.5 +#define GMATH_MATRIX_H_
     1.6 +
     1.7 +#include <string.h>
     1.8 +#include "vec.h"
     1.9 +
    1.10 +namespace gph {
    1.11 +
    1.12 +class Matrix4x4 {
    1.13 +private:
    1.14 +	float m[4][4];
    1.15 +
    1.16 +public:
    1.17 +	static Matrix4x4 identity;
    1.18 +
    1.19 +	Matrix4x4()
    1.20 +	{
    1.21 +		memcpy((float*)m, (const float*)identity.m, 16 * sizeof(float));
    1.22 +	}
    1.23 +
    1.24 +	Matrix4x4(const float *m)
    1.25 +	{
    1.26 +		memcpy((float*)this->m, (const float*)m, 16 * sizeof(float));
    1.27 +	}
    1.28 +
    1.29 +	Matrix4x4(float m00, float m01, float m02, float m03,
    1.30 +			float m10, float m11, float m12, float m13,
    1.31 +			float m20, float m21, float m22, float m23,
    1.32 +			float m30, float m31, float m32, float m33)
    1.33 +	{
    1.34 +		m[0][0] = m00; m[0][1] = m01; m[0][2] = m02; m[0][3] = m03;
    1.35 +		m[1][0] = m10; m[1][1] = m11; m[1][2] = m12; m[1][3] = m13;
    1.36 +		m[2][0] = m20; m[2][1] = m21; m[2][2] = m22; m[2][3] = m23;
    1.37 +		m[3][0] = m30; m[3][1] = m31; m[3][2] = m32; m[3][3] = m33;
    1.38 +	}
    1.39 +
    1.40 +	Matrix4x4(const Vector4 &v0, const Vector4 &v1, const Vector4 &v2, const Vector4 &v3)
    1.41 +	{
    1.42 +		m[0][0] = v0.x; m[0][1] = v0.y; m[0][2] = v0.z; m[0][3] = v0.w;
    1.43 +		m[1][0] = v1.x; m[1][1] = v1.y; m[1][2] = v1.z; m[1][3] = v1.w;
    1.44 +		m[2][0] = v2.x; m[2][1] = v2.y; m[2][2] = v2.z; m[2][3] = v2.w;
    1.45 +		m[3][0] = v3.x; m[3][1] = v3.y; m[3][2] = v3.z; m[3][3] = v3.w;
    1.46 +	}
    1.47 +
    1.48 +	float *operator [](int idx)
    1.49 +	{
    1.50 +		return m[idx];
    1.51 +	}
    1.52 +
    1.53 +	const float *operator [](int idx) const
    1.54 +	{
    1.55 +		return m[idx];
    1.56 +	}
    1.57 +};
    1.58 +
    1.59 +}	// namespace gph
    1.60 +
    1.61 +#endif	// GMATH_MATRIX_H_