   setup: ->
   draw: ->
 
+  mouseDown: ->
+  mouseUp: ->
+
 
   ###
     2D Drawing API

    isStrokeEnabled = true
    @g.strokeStyle = computeStyle(arguments)

  noFill: -> isFillEnabled = false

  noStroke: -> isStrokeEnabled = false

Color = require('../color').Color
Vec2 = require('../math/vector').Vec2


###

  FIELDKIT SKETCH CLASS
