   activate: (active) ->
     @active = active
 
-  clicked: (e) ->
+  clicked: (e) =>
     @move Math.floor(e.offsetX/@options.cellSize) if @active
 
-  mouseMove: (e) ->
+  mouseMove: (e) =>
     if @active
       highlightColumn = Math.floor e.offsetX/@options.cellSize
       if highlightColumn != @highlightColumn

        ((@options.gridHeight - @grid[@highlightColumn].length) * @options.cellSize) - (@options.cellSize/2),
        (@options.cellSize * 4/10) + 1)

  mouseLeave: (e) ->
    @highlight(-1)

  drawFrame: ->

        clearInterval(interval)
    , delay)

  start: (counter, column, colour) =>
    @context.globalCompositeOperation = 'copy'
    @context.fillStyle = 'rgba(0,0,0,0)'
    this.fillEllipse(((column + 1) * @options.cellSize) - (@options.cellSize/2),
