Revision history for Game-RaycastFOV 2.02 2021-03-13 Add sub_circle(), update swing_circle() to call that. circle() now only passes unique points to the callback. shadowcast() "blocked" callback is now passed the dx/dy values. 2.00 2020-03-27 Add shadowcast support. And some more tests. 1.00 2020-02-16 First version, released on an unsuspecting world.