Large number of objects - strange movement

Hi all

My current game has a large number of objects in motion (but not too big) - approximately 100 moving on the screen at once.  Most of them are balls and very small enterprises (e.g. 16 x 16). I use the GPU mode.  All images are bitmap images, also I use objects for all pool and my bullets and enemies etc are stored in linked lists (which are faster than the <>vectors).  All the bullets share the same bitmapData.  There are maybe 15 different bitmapData in use.

In certain situations — usually after the unleashing of a storm of ball any (say 30 balls fly out at once in all directions of the drive)-graphics behave oddly.  The framerate is still high, but some of the bullets will move in a sort of staggered way rather than sweetness.  They will move forward for a bit, slow down or stop and then pull it off once a little.  This tends to happen to the edges/corners of the screen, while the action in the middle is ok.

If anyone noticed something like this before?

The only other thing of any important consequence is a bitmapData that covers the entire screen in the background.  It's bitmapData is actually 0.25% of the width and height of the screen and then stretched 400% to adapt.  Whenever an enemy is destroyed "splatte" is displayed in the bg, which then needs to be updated.

See you soon,.

Peter

Sorry everyone. It is my own stupid mistake.

I followed it it down to my code which removed bullets from the linked list when they left the screen. This would cause the rest of the list is not to treat up to the next section.  With a large number of bullets, leaving the screen at the same time, this produced pretty nifty effects.

Tags: Adobe AIR

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