I saw this link on Aras' blog to a demoscene that features real time ambient occlusion and a paper about it.
And the link to the paper.
So, In my normal easily distracted style I got interested and went after it. Its not quite done yet, but it is already showing promise. I got extra interested in this method because it operates on the level of the pixels flat on the screen and creates a very strong effect that catches the human eye and makes the image seem more "real". I've always wondered if rendering could be done with more focus to what is actually on the screen similar to how a painter creates a realistic image with oils and brushes, by many tricks pulled on the viewer's eyes to make things appear real and in perspective when they actually aren't at all. This effect seems like a step in the right direction for that type of rendering so I was instantly a fan of it. Also, I wouldn't be surprised if everyone else is a fan of it too in a couple months and it becomes the next hdr/glow.
Feels pretty cool being "next gen", :P
Saturday, February 2, 2008
Real time screen space ambient occlusion
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21 comments:
Hi there, this look very promising!
I'm using unity, could you provide this to the unity community somehow?
Is it a shader, or a script?
Thanks!
I did put a link to the download into the forum post, but forgot it here.
Well now I've improved my webplayer posting code to allow expansive, luscious download links as well, and added one to this post. Enjoy!
the realtime AO-effect is really cool, but the scene is a bit too dark, so the effect nearly disappears. could you make the scene a bit lighter?
It is probably a relative gamma problem, I have mine set pretty high. Are you on windows? That probably would do it.
I may give the scene some more ambient light but not right now.
Hi Forest. Thanks for sharing your work with us.
The build on your blog looks great and I think the effect will be really useful, but when I try running it myself, anytime the SSAO Setup script updates all I get is a black screen. Do you have any idea why this might be? I'm using Unity 2.6 and Windows.
Thanks
Check out http://unity3d.com/unity/whats-new/unity-2.6 . Apparently Unity 2.6 has built in SSAO. You want to use that one.
(if you are running the free version of unity, SSAO is not possible in any form)
haha nice very nice, thanks for sharing.
Bye bye
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