We are interested in understanding how the motion of one aircraft is viewed by a passenger on the other aircraft. Shown below is an animation of the motion of A and B as seen by a stationary observer.

Animating in Flash requires certain understanding of motion and a lot of patience. Figuring out how the animation will work is not so hard, but achieving the desirable result is usually painstaking.

The transition from his normal, cowering state to his sleep-fighting mode is marked by a dramatic shift in animation style, ...