private void GetPerp(Vector vector, out Vector a, out Vector b)
{
Vector basis;
if (Math.Abs(vector.Dz) < 0.9)
{
basis = new Vector(0, 0, 1);
}
else
{
basis = new Vector(1, 0, 0);
}
a = vector.Cross(basis);
b = a.Cross(vector);
}
