nuclear@6: #ifndef QUATERNION_H_
nuclear@6: #define QUATERNION_H_
nuclear@6: 
nuclear@6: namespace gph {
nuclear@6: 
nuclear@6: class Quaternion {
nuclear@6: public:
nuclear@6: 	float x, y, z, w;	// w + xi + yj + zk
nuclear@6: 
nuclear@6: 	Quaternion() : x(0), y(0), z(0), w(1) {}
nuclear@6: 	Quaternion(float x_, float y_, float z_, float w_) : x(x_), y(y_), z(z_), w(w_) {}
nuclear@6: 	Quaternion(const Vector3 &v, float s) : x(v.x), y(v.y), z(v.z), w(s) {}
nuclear@6: 
nuclear@6: 	// TODO more
nuclear@6: };
nuclear@6: 
nuclear@6: }	// namespace gph
nuclear@6: 
nuclear@6: #endif	// QUATERNION_H_