3 ms·

http://i.imgur.com/yKHTP.png http://i.imgur.com/yKHTP.png I sure hope the original source code does not resemble this.

• mdda 16y ago
  At first blush, looks like a 3d collision detector. (I could be very wrong, though.)
  • mukyu 16y ago
    Close. It checks for intersections of circles (with a slight bug) with a few more checks.