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AppGameKit Classic Chat / The Power of SetSpriteDepth

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bjadams
AGK Backer
16
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Joined: 29th Mar 2008
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Posted: 4th May 2012 23:56
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Because of the way sprite priority redraw works, for my new project I started using different sprite depth levels to create different effects. I have around 18 different sprite depths and switch sprites from one depth to the other according to the game logic.

What is the impact of SetSpriteDepth() in terms of speed? Is it a speed-friendly command to use in the main game loop, or is it something to use with caution like CopyImage ?
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Paul Johnston
TGC Developer
22
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Joined: 16th Nov 2002
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Posted: 5th May 2012 01:58
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It is certainly not as bad as CopyImage, but it does force a re-sort of that sprite into the render list, which is ordered by depth. If you had thousands of sprites, and they were all changing depth, you may notice it, but it's not something I've benchmarked.
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bjadams
AGK Backer
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Posted: 5th May 2012 09:17
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ok thanks, i will try to keep its use at a minimum
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