Quaternion类 参考

Public 成员函数
	Quaternion (float s, Vector3 v)
	Quaternion (float w, float x, float y, float z)
void	setX (float value)
float	getX ()
void	setY (float value)
float	getY ()
void	setZ (float value)
float	getZ ()
void	setW (float value)
float	getW ()
Quaternion	clone ()
Matrix4	toMatrix4 ()
Matrix3	toMatrix3 ()
Quaternion	conjugate ()
Vector3	eulerAngles ()

静态 Public 成员函数
static Quaternion	makeFromAxisAngle (float angle, Vector3 axis)
static Quaternion	makeFromMatrix3 (Matrix3 mat)
static Quaternion	makeFromMatrix4 (Matrix3 mat)
static Quaternion	makeFromEulerAngles (float pitch, float yaw, float roll)
static Quaternion	getRotationTo (Vector3 from, Vector3 to)