public static GLKQuaternion Add (GLKQuaternion quaternionLeft, GLKQuaternion quaternionRight)
{
GLKQuaternion q = new GLKQuaternion (quaternionLeft.x + quaternionRight.x,
quaternionLeft.y + quaternionRight.y,
quaternionLeft.z + quaternionRight.z,
quaternionLeft.w + quaternionRight.w);
return q;
}