First of all, you should profile your game - take a look at android.os.Debug.start/stopMethodTracing and identify the bottleneck(s). Then, if you've never written a game, chances are your game loop will suck (that is, if you *had* a game loop, you're merely invalidating and redrawing the screen) - take a look at LunarLander's source code, also Alien Bloodbath, etc. - there are lots of resources on the net on the topic of writing a game loop - google for "Fix your time step" to find a very good one.
HTH, Stoyan On Sun, Jan 25, 2009 at 8:49 AM, Beshoy <odsl...@gmail.com> wrote: > > Hello all, > > I haven't written in Java for about 5 years... but I've re > familiarized myself with java, and was able to write a game. The game > is 4Ever Fall. You can find it on the android market, it's free. I > am having problems with the game because it lags too much; especially > when there are background processes trying to work. The game's > simple: > > I have platforms rising, a background who's also rising, and a ball > who's falling and gets stopped by the platforms. I am using > SensorListener to get the current accelerometer readings to control > where the ball goes. From there, in my "onDraw" function, I move the > platforms, background, and ball. This seems to be an overload since > I've got 10 platforms (5 levels with 2 Drawables per level to account > for the gap in between), 2 background Drawables for smooth > transitions, and the ball's Drawable. That makes 13 objects being > maintained and moved by onDraw. This seems to really bog down the > phone when things are running in the background. > > I'm trying to figure out how to make the game run better. I've looked > at openGL and wow... that gets complex really quick and I'm not even > sure where to start. I've also looked into threading but I don't > really know too much about it. I use threads sparingly when I need to > do a ProgressBar while submitting a score or something of that sort. > If you have any ideas on how to make the game's rendering better, I > would greatly appreciate it. > > I don't quite understand how openGL works, and whether or not I can > use it to handle the platforms, move them, etc. I would like to use > images rather than drawing them, but if I have to draw them that's > fine too.... Anything to make this game run better... PLEASE HELP! > Thanks in advance for any help you can give! :) > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
