This code will produce two histograms based on "dice" rolls. The rolls are actually pseudo-random numbers produced by Processing's random() function.
If the NUMBER_OF_DICE is greater than one, dice will be "rolled" in groups of that number. After MAX_NUMBER_OF_ROLLS the histograms are reset.
This is free and unencumbered software released into the public domain. See: http://unlicense.org for license details.
Written by Kyle Geske (@stungeye) December 2013