 
 animateToValue(value, animationOptions={})
 """
+
+Events.SliderValueChange  = "sliderValueChange"
 
 class Knob extends Layer
 

			@knob.on("change:y", @_updateValue)

		@knob.animate(animationOptions)


	_updateValue: =>
		@emit("change:value", @value)
		@emit(Events.SliderValueChange, @value)

	pointForValue: (value) ->
		if @width > @height
