# File lib/luck/control.rb, line 5
  def initialize pane, x1, y1, x2, y2, &blck
    @pane = pane
    @display = pane.display
    @x1, @y1 = x1, y1
    @x2, @y2 = x2, y2
    
    instance_eval &blck if blck
  end