code: function (x, y) {
  		var i = 0, l = this.points.length, current;
  		for (; i < l; i++) {
  			current = this.points[i];
  			current[0] += x;
  			current[1] += y;
  		}
  	}
docs: @
  #.shift
  @comp Crafty.polygon
  @sign public void .shift(Number x, Number y)
  @param x - Amount to shift the `x` axis
  @param y - Amount to shift the `y` axis
  
  Shifts every single point in the polygon by the specified amount.
  
  @example
  ~~~
  var poly = new Crafty.polygon([50,0],[100,100],[0,100]);
  poly.shift(5,5);
  //[[55,5], [105,5], [5,105]];
  ~~~