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Outerra Engine Progress

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cameni

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It's been some time since I blogged about the Outerra engine, so here comes the latest info about what we've been doing.

Lots of stuff has been done on the visuals - shadows are finally in, and even though they are not finished yet the output is much nicer with them. It uses a randomized lookup into the shadow map but the blurring pass is not present yet, so the closeups show noisy shadow edges. This will go away with the blurring pass on the shadow map.



The ugly patterns on the ground visible in older screen shots, resulting from tiled textures have been suppressed by more fractal magic - a free fractal channel has been used to mix three textures (daisies, grass and a lighter grass) together and the pattern is almost completely gone.



Another thing that helped a lot was the color transformation to linear space. This included both the input (loading the textures in sRGB format and also correctly computing the mipmaps) and setting the render target. The fix is most obvious on the atmosphere that now looks more natural.



The trees are also slightly randomly colorized to break the monotonicity.



The material system has progressed as well, as it can be seen on the new truck model here.





Also new is the support for dirty glass windows.



A gun is mounted on the roof, with a separate controller. It should be also functional soon, along with some flying prey to ground [smile]






The new model appearing in the shots is the Tatra T813 8x8 heavy all-terrain truck with unique independent swing half axles. I wrote specialized code to handle its physics, and it works quite nicely. It is much better visible in motion, a video will be coming soon.





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WOW...simply amazing stuff.

The truck looks great, and the vast landscapes combined with the realistic looking mountains - it's really great stuff.

:-o

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The ground texture looks really good. Simply mixing three textures looks better than I thought; it's really something I should do in my upcoming projects.

Have you thought about adding some simple bump mapping to the terrain to make it seem a little bit more interesting? I think it would add some contrast to it. It looks quite flat (with respect to lighting) at the moment.

I like the atmosphere and high altitude screenshots. The forest looks good. A few more variations of the trees and I think it would look even better.

The truck is really high quality and the shadows are fantastic. Adding a detail map (one or two heavily tiled textures in some way similar to the three textures of the terrain) would take it even more interesting.

Nothing to say about the physics other than it looks very cool. Nice to see that it actually has shock absorbers.

Keep up the good work!


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