Curves are sexy. This one in particular is quite lovely because it's so simple: the further from the start of the curve (left or right from 0,0), the more it curves. If you wonder by how much it curves, hang on to your pants, here comes some math:
So... okay, moonwriting... what does a spiro look like? Well, that depends on the values for a, t and n. Good thing we have Processing and JavaScript, because we can simply implement the curve and observe how it changes when these values do, too!
