I appreciate the player is rewarded for going offroad. That was fun. :) I noticed as I approached the edge that large square tiles started to show up (the terr

I appreciate the player is rewarded for going offroad. That was fun. :) I noticed as I approached the edge that large square tiles started to show up (the terrain was still contiguous until I go all the way to the edge, but it divided into uniform-sized squares by increasingly-high dirt walls with no collision detection). I wonder what caused that?