Like in @ArrstalKOP's project, you can change the number of sides of the polygons using the slider. However, in this project, you can set the number of sides to a fraction! Press A for an automatic 40-second tour taking you from 0 to 4 sides in 40 seconds. Press Space, and it will prompt you for the number of sides. Type in a decimal number (or integer) and press Enter.
Thanks to @PullJosh for the original project and to @ArrstalKOP for the polygon rendering (which I am exploiting in this project!)