public void Rotate()
{
var res = new Ax3(new Pnt(1, 1, 2), new Dir(1, 0, 0), new Dir(0, -1, 0));
var a1 = new Ax1(new Pnt(2, 2, 2), new Dir(1, 0, 0));
var p2 = new Ax3(new Pnt(1, 2, 3), new Dir(1, 0, 0));
Assert.IsTrue(res.IsCoplanar(p2.Rotated(a1, Math.PI / 2), 0, 0));
p2.Rotate(a1, Math.PI / 2);
Assert.IsTrue(res.IsCoplanar(p2, 0, 0));
}
