Talk:Tumbleweed/@comment-26376406-20150618053709

self.averageSpeed = (TUNING.WILSON_RUN_SPEED + TUNING.WILSON_WALK_SPEED)/2

This line of coding determines the speed that a tumbleweed moves at in relation to the character's current movement speed. if the player moves faster, the tumbleweed does too, as it tunes in on your current movement speed.