     ###
     stop: ->
       cancelAnimationFrame @rAF
+      @isRunning = no
 
       @
 

      if progress < @duration
        @rAF = requestAnimationFrame @count
      else #progress < @duration
        @callback() if @callback?

    ###*

      @startTime = null
      @duration  = @remaining
      @startVal  = @frameVal
      @isRunning = yes

      requestAnimationFrame @count

