# File mouse.rb, line 102
    def initialize(img,visible=true)
      @img=img
      @visible=visible
      @imgObj=Gosu::Image.new($window,img,true)
      @forced=false
      @centerx = ($window.width/2).floor
      @centery = ($window.height/2).floor
      @ax = 0
      @ay = 0
    end