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I could really use some tips for speedy rendering techniques of 2D sidescroller games. I am very experienced in QBasic but I've only had Darkbasic Pro for 2 days now. I am VERY impressed with the ease and power of DBP, after fiddling with commands and playing around for a bit. For a first game, I would like to do a simple 2D sidescroller. I see there are a variety of methods for displaying images to the screen (IMAGE, BITMAP, and SPRITE functions), but I have no idea which is faster or better in what situation. In particular, I've been trying to scroll a relatively large image across the screen without and jitters. I have an example which I quickly threw together, and haven't found any faster method yet. It causes a scrolling effect of a single, fullscreen image, but creates annoying jitters. Even in lower screen resolutions and smaller image sizes i experience the same problem. Any tricks or secrets here? Any help in optimizing a 2D game in DBPro would be appreciated. And i like to use the "FASTSYNC" command as supposed to "SYNC". I've seen drastic performance differences in 3D rendering. Is there a good and a bad side to fastsync? Thx

the example code i was talking about in my post can be found if u click the SOURCE button underneath my post. thanks

I alway reckon it's fastest to move the camera for the scrolling. That way all of your ships, and background objects are scrolled automatically in one simple command.

Pincho.

wow. so u have control over the camera when working with 2d functions too? Thats great. I'll try that.

Not 2D bitmaps, but 2D games are commonly made in 3D.