public Plane(double x, double y, double z)
{
OX = new Cut(new Vertex(-x, 0, 0, 1), new Vertex(x, 0, 0, 1));
OY = new Cut(new Vertex(0, -y, 0, 1), new Vertex(0, y, 0, 1));
OZ = new Cut(new Vertex(0, 0, -z, 1), new Vertex(0, 0, z, 1));
}
