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  2D Ambient Shadows  (Read 3308 times)
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Offline Orangy Tang

JGO Kernel


Medals: 56
Projects: 11


Monkey for a head


« Posted 2008-07-25 02:11:36 »

I had the crazy idea of adapting the SSAO technique to work in 2d, and after a few days of tinkering I've actually got some nice results:



Since I figured other people might be interested, I've done a proper write up, with more screenshots and shader code for people to pinch. Enjoy.

[ TriangularPixels.com - Play Growth Spurt, Rescue Squad and Snowman Village ] [ Rebirth - game resource library ]
Offline mh114

Junior Member





« Reply #1 - Posted 2008-07-25 07:47:19 »

Hey, this is pretty neat! Never occured to me that this effect could be applied to 2d as well! Cheesy Thanks for sharing this, I'm planning to do some shader stuff in my next game, so this'll be useful later. Smiley

Offline Spasi
« Reply #2 - Posted 2008-07-25 12:10:16 »

Good job, awesome result. Smiley
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Offline CommanderKeith
« Reply #3 - Posted 2008-07-26 06:28:47 »

Looks really good, great idea.

Could it be done in java2D? It probably wouldn't be fast enough since as soon as you touch the individual pixels in an Image it makes the image un-accelerated. What a pity.

Offline mh114

Junior Member





« Reply #4 - Posted 2008-07-26 09:49:08 »

Could it be done in java2D? It probably wouldn't be fast enough since as soon as you touch the individual pixels in an Image it makes the image un-accelerated. What a pity.
As a preprocessing step, why not. In real time, no. Smiley

Offline Orangy Tang

JGO Kernel


Medals: 56
Projects: 11


Monkey for a head


« Reply #5 - Posted 2008-07-26 13:53:26 »

Could it be done in java2D? It probably wouldn't be fast enough since as soon as you touch the individual pixels in an Image it makes the image un-accelerated. What a pity.
Not in realtime, you need a pixel shader to calculate the ambient map - you can't emulate it with some java2d composite modes. And even if you could i suspect it'd be far too slow anyway.

(source code tweeked to properly show < > etc, thanks Riven).

[ TriangularPixels.com - Play Growth Spurt, Rescue Squad and Snowman Village ] [ Rebirth - game resource library ]
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