In June i worked on some more code to make my 2d tile engine work for horizontal and vertical scrolling shooters ( also called STGs or "shmups" ).

working on the TileD map for the demo

Features added to the engine or boilerplate classes:

• render with camera autoscroll, now render works on a lower resolution canvas.
• STG avatar that autoscrolls with camera.
• RailMovement compoment for entities using TileD polylines or polygons, featuring:
  • movement in tiles per second or polyline nodes per second.
  • optional easing for movement between nodes.
  • optional smoothing of the polyline with catmul rom splines, with settable alpha and tension.
• entity cloning with variable x,y offset or offset in points of the polyline.
• easing.lua class with a compilation of easing methods, mostly from easings.net.
• loader.lua is now coroutine based, and I also used coroutines for entities behavior. (check out this thread about coroutines!)

All of this and more minor fixes, and a lot of research about shmups ( some of it being very fun I must admit! ).