Distance_Follower=6 SafeDistance=5 Distance_Follower SafeDistance DistanceComparison=If(Distance_Follower-SafeDistance<0,0,1) DistanceComparison 1 0 0 1 IsItSafe? 138 33 207 71 DistanceComparison 104 140 247 201 Distance@Follower 29 303 164 361 SafeDistance 237 318 354 356