The following open-source tutorial files were created for The Games Factory (TGF) or Multimedia Fusion 1.5 (MMF). If you use any of these in an application or game, please credit me.
360 Degree Movement & Collision (MMF)
Drawing Simple Shapes to Control a Game (MMF)
Fastloop Breakout Engine (MMF)
Mouse Draggable Objects (TGF) (MMF)