chaos breaks with other than 4 corners

[katestange]

URL:
https://numberscope.colorado.edu/?name=OEIS+A000041&ver=0.4.0&rev=2334916&viz=Chaos&showLabels=true&seq=OEIS+A000041
For some reason this works fine, but if you change the number of corners to anything other than 4, it breaks after drawing for a while.