Features
Ping Pong
Smooth movements with easing curves:
Loops
Enter and leave tracks
Connections
Tracks can be connected to other tracks and can be interchanged:
And it doesn't work only for platforms. You can animate anything, such as enemies...
Animations
and saw blades:
Or have multiple entities on a track:
Triggers
Platform activated on the first touch:
Active only when the player is on it...
...and switching directions every time:
Platform activated from a trigger area: