“The Mud Tub is an experimental organic interface that allows people to control a computer while playing in the mud.” (Set the video to Fullscreen by clicking on the monitor icon.)
I’m guessing that the red lines and arcs you see are future moves the AI is choosing from. Moves could be selected by ranking their potential outcomes. A move’s score increases for positive outcomes like landing on solid ground, squashing an enemy, moving closer to the goal line, or headbutting a |?| box. The score decreases for negative outcomes like being killed by an enemy or falling in a pit.