Hi, 1. Get rid of all get/set methods. 2. Eliminate some of the System.currentTimeMillis (two consecutive calls leads to the same number) 3. Save a reference to the current object inside the array instead of accessing an array lots of times (e.g.: asteroids[i]) 4. Most important: don't call canvas.rotate(angle, x, y) ! Cache all possible rotations into bitmaps and draw them on screen.
A good Java game always make sure that the garbage collector is NEVER called during the game: allocate all objects before and then display them during the game. In the TotalCross game api, there's a class that draws a score without allocating memory. See: http://www.totalcross.com/doc/totalcross/game/package-summary.html (TextRenderer) regards guich
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