nuclear@3: #ifndef GMATH_MATRIX_H_
nuclear@3: #define GMATH_MATRIX_H_
nuclear@3: 
nuclear@3: #include <string.h>
nuclear@4: #include "vector.h"
nuclear@3: 
nuclear@3: namespace gph {
nuclear@3: 
nuclear@3: class Matrix4x4 {
nuclear@3: private:
nuclear@3: 	float m[4][4];
nuclear@3: 
nuclear@3: public:
nuclear@3: 	static Matrix4x4 identity;
nuclear@3: 
nuclear@3: 	Matrix4x4()
nuclear@3: 	{
nuclear@3: 		memcpy((float*)m, (const float*)identity.m, 16 * sizeof(float));
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	Matrix4x4(const float *m)
nuclear@3: 	{
nuclear@3: 		memcpy((float*)this->m, (const float*)m, 16 * sizeof(float));
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	Matrix4x4(float m00, float m01, float m02, float m03,
nuclear@3: 			float m10, float m11, float m12, float m13,
nuclear@3: 			float m20, float m21, float m22, float m23,
nuclear@3: 			float m30, float m31, float m32, float m33)
nuclear@3: 	{
nuclear@3: 		m[0][0] = m00; m[0][1] = m01; m[0][2] = m02; m[0][3] = m03;
nuclear@3: 		m[1][0] = m10; m[1][1] = m11; m[1][2] = m12; m[1][3] = m13;
nuclear@3: 		m[2][0] = m20; m[2][1] = m21; m[2][2] = m22; m[2][3] = m23;
nuclear@3: 		m[3][0] = m30; m[3][1] = m31; m[3][2] = m32; m[3][3] = m33;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	Matrix4x4(const Vector4 &v0, const Vector4 &v1, const Vector4 &v2, const Vector4 &v3)
nuclear@3: 	{
nuclear@3: 		m[0][0] = v0.x; m[0][1] = v0.y; m[0][2] = v0.z; m[0][3] = v0.w;
nuclear@3: 		m[1][0] = v1.x; m[1][1] = v1.y; m[1][2] = v1.z; m[1][3] = v1.w;
nuclear@3: 		m[2][0] = v2.x; m[2][1] = v2.y; m[2][2] = v2.z; m[2][3] = v2.w;
nuclear@3: 		m[3][0] = v3.x; m[3][1] = v3.y; m[3][2] = v3.z; m[3][3] = v3.w;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	float *operator [](int idx)
nuclear@3: 	{
nuclear@3: 		return m[idx];
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	const float *operator [](int idx) const
nuclear@3: 	{
nuclear@3: 		return m[idx];
nuclear@3: 	}
nuclear@3: };
nuclear@3: 
nuclear@3: }	// namespace gph
nuclear@3: 
nuclear@3: #endif	// GMATH_MATRIX_H_