code: @Override
  	public void set(Point3D center, double radius1) {
  		this.cx = center.getX();
  		this.cy = center.getY();
  		this.cz = center.getZ();
  		this.radius = Math.abs(radius1);
  	}
docs: Change the frame of te sphere.
  
  @param center
  @param radius1