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  performance question  (Read 1066 times)
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Offline klawz

Junior Newbie




Java games rock!


« Posted 2003-04-01 12:18:34 »

Hi
I'm programmig a 2d game and i use a big background image as my map. I use the  BufferedImage.getRGB(int x, int y)  method to get data from my map. I want to transfer the data from the image to some other place where i can access the data faster. The question is which method is the best. I was thinking to use a treemap but i am not sure. Can somone help me please, and also show me te code to do it please

Thanks in advance
Offline darcone

Junior Member




Size matters


« Reply #1 - Posted 2003-04-01 13:26:43 »

I have nothing  else to say but that using a large image as a map for your game may give you very bad performance! You should look into other solutions like LWJGL (my personal favourite) or Java3d (hi Herkules Smiley.
Offline Harley Rana

Junior Member




Java games rock!


« Reply #2 - Posted 2003-04-02 00:54:32 »

Hey darcone is right, using one large image for the background is never going to be fast.  
Try to break up the image into tiles.  Its much quicker to render the visible set of tiles.

Check out http://www.gamedev.net/reference/articles/article743.asp
explains how to do smooth scrolling over the tiles.
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Offline Harley Rana

Junior Member




Java games rock!


« Reply #3 - Posted 2003-04-02 00:58:51 »

http://www.gamedev.net/community/forums/topic.asp?topic_id=65858

Its a reply from the same author, about smooth scrolling.
different code from the article.  This cleared it up perfectly for me.  Now working sweet ! Smiley
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