the famous you-are-in-the-process-of-changing-this-light indicator. the famous you-are-in-the-process-of-changing-this-light indicator. red = going up blue = going down also, a generic color fader in uihelpers.py -- unused (as of now)

'''

        up
        |\________
       / \_      /\
      /    \   /   \
   d1        d2    d3


   up has a single output that outputs {d1 : .8, d2:0.1}
   

'''