Tweening is easy as pie - http://www.blitzbasic.com/Community/posts.php?topic=70516
Your example is fixed steps, but if framerate is faster than logc you're rendering same stuff until you catch up, this is where linear interpolation comes in.
Your example is fixed steps, but if framerate is faster than logc you're rendering same stuff until you catch up, this is where linear interpolation comes in.