Very neat. I'm guessing you have a function for each letter and you add a shift depending on where it is in the phrase? Or are you creating the formulas on th

Very neat. I'm guessing you have a function for each letter and you add a shift depending on where it is in the phrase? Or are you creating the formulas on the fly? If its being created dynamically, you could probably find a cool way to do this for arbitrarily drawn pictures.