Re: Effects showroom!
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News from Jeider! He is fighting with ISP, but it is not general…
Ninja King:
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News from Jeider again:
http://www.youtube.com/watch?v=4yCwqgFjCw8 -
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Nice idea, wouldn’t call them god rays though, just look like really bad shadows.
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God rays, also called crepuscular rays. Sunlight which appear like visible rays when seen around objects, usually due to scattering from small particulate matter in the air.
Example of crepuscular rays:
I think the comparison is fairly obvious, and that shadows have nothing to do with them.
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Now they look like god rays, whatever that is in sizers screen shot looks like trails of soot extending from every asteroid and somehow visible through the ships skin too. Looks the complete opposite of your picture, looks like shadows being cast, not light. Got any other screen grabs that make it look better?
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We’re in space, timmy, the effect is reversed. Godrays on earth are the light scattered through particles in openings of space. In space, there is more opening than there is obscuring. Therefore, the effect is inversed - darkness appears to be the primary rays, because the light scattered is large. There are a few minor casting errors, as this is a new feature, but for the most part, it is accurate.
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Looked pretty close to accurate to me. I’ve seen it IRL so I know what it looks like (we get fog often around here). The billboard asteroids aren’t casting it so that throws it off a little.
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Sizer wrote:
We’re in space, timmy, the effect is reversed. Godrays on earth are the light scattered through particles in openings of space. In space, there is more opening than there is obscuring. Therefore, the effect is inversed - darkness appears to be the primary rays, because the light scattered is large. There are a few minor casting errors, as this is a new feature, but for the most part, it is accurate.Yeah, that makes sense, can’t say I like it at the moment though, sorry! Prob cool in a nebula, but think that would just piss me off if it’s there all of the time. Best reserve final thoughts on it until I’ve had a chance to finally do some imp blasting innit
I’m looking at it again, why’s there no specularity on the ship? The ship looks awful, it’s covered in artifacts, from the game or jpeg?
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Timmy51m wrote:
The ship looks awful, it’s covered in artifacts, from the game or jpeg?
Thats the way they render shadows. A lot of engine use some kind of small particles. If you don’t have enough of them (which uses more resources) you have this strange noise.
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So my original interpretation of seeing dirty sooty shadows cast as opposed to god rays was accurate then I guess, should we call this ‘dirty rays’ instead lol
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Actually I think it is a result of the post processing. Could be a filter or smth. For instance a simple unsharp masking filter will result in a much sharper image but also create such noise. Some games use it to improve FXAA results. There are nearly unlimited ways to render stuff, so no real conclusion from me.
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The slight noise is due to the god rays being slightly undersampled. I’ve not run a blur pass on them for now and am not sure I will, either. It’s largely a simple test I wanted to try and get working.
It has nothing to do with shadows at all.
Also, timmy, it has no specularity because it has no specularity. Dark ship in a dark system at an angle which doesn’t cause specularity. If you don’t like that, ask the universe to change its laws
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No way you’re getting away with that one FF, it’s your universe so I’m asking you to change the laws! Gimme some specularity innit
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