Click the green flag, then watch. Check out the code to see how this was made. (It's a lot simpler than you think!) You can adjust the variables in the Leader sprite to change the animation: "follow rate" is how fast the ball trail follows the next ball. 1.0 is instantly fast, 0.0 doesn't follow at all. "color speed" is how fast the color changes happen. 1 is already kind of fast. "leader rate" is how fast the leading ball (which is invisible) glides around the stage. 1.0 is a one-second glide, while 0.0 is an instantly fast move.
