User interaction

Finally, we come to user interaction, probably one of the main reasons you're reading this book. After all, if it weren't for interaction or some sort of dynamic input going into the movie, you might as well just use tweens.

Actually, there is not a whole lot left to discuss here that I haven't already touched on earlier in the chapter. User interaction is based on user events, and these generally come down to mouse events and keyboard events. Let's quickly go through the various user events and their handlers.