Idea with glass and refraction

by Whitetemplar on 08/03/2007 17:57, 37 messages, last message: 08/14/2007 21:30, 8837 views, last view: 05/18/2024 15:34

Why dont put some types of glass with different refractions on each ?

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#1: ..

by Acord on 08/03/2007 23:57

You know, you could just use a envmap entity and get reflections of the environment... It's easy. Put the envmap entity in, and then recalc.

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#2: Re: ..

by Ganandar on 08/04/2007 00:52, refers to #1

hwo do you get the envmap and where would you put it?

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#3: ..

by Acord on 08/04/2007 02:41

Using envmap:

While editing, pick a spot, open your console and type:

/newent envmap 2048

Now type:
/calclight 3

and then:
/recalc

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#4: Re: ..

by Quin on 08/04/2007 05:13, refers to #3

#2: you place envmap entities near glass areas, preferably only one in the middle of an area - as they're pretty intensive.

http://sauerbraten.org/docs/editref.html#_envmap_

#3: envmaps don't require a calclight, just a recalc.

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#5: ..

by Whitetemplar on 08/04/2007 12:33

That dont make any refraction on the glass that just put reflection

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#6: ..

by Acord on 08/04/2007 18:04

Ummm... Glass, unless rounded, does not refract light most of the time, at least not enough for it to be really noticable.

I guess you could always play with the shaders...

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#7: ..

by Quin on 08/05/2007 03:12

While on this subject, people should realise that aesthetics like this are really the job of the mapper.

eg. You can fake a light reflecting off water surfaces by using a smaller light near the point where the water would reflect the light to.

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#8: ..

by SanHolo on 08/05/2007 11:21

Any translucent material with parallel, straight borders - as it is the case in sauerbraten - does not refract enough to notice. Given that it's not too thick and you can't go inside it.

So adding refraction to materials in sauerbraten would make no sense.

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#9: ..

by Max of S2D [Fr] on 08/05/2007 11:44

I would agree about keeping only one kind of glass and adding it refraction.
That would look fine, but i doubt some maps' authors didn\'t though about that point of view.

What about a command line into the CFG to able/disable the refraction ?

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#10: Re: ..

by SanHolo on 08/05/2007 12:15, refers to #9

As I said, when looking through a glass pane, you won't notice any refraction. There is only refraction when the glass is not straight and/or the borders are not parallel. Both is not (yet?) possible in sauerbraten.

So, adding refraction would not make any sense.

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#11: ..

by Max of S2D [Fr] on 08/05/2007 13:46

(*HIGH* res pictures, warning)

Glass : http://img393.imageshack.us/img393/8683/dscf2772wr8.jpg

Behind : http://img393.imageshack.us/img393/372/dscf2773jv6.jpg

By the way, it'd be nice to choose the glass colour.

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#12: Re: ..

by SanHolo on 08/05/2007 16:00, refers to #11

That's why I said "parallel, straight borders". This is not the case in your pics, is it?

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#13: ..

by Acord on 08/05/2007 18:03

Right... Sauer only does flat glass, unfortunately. You'll have to play with the shaders.

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#14: ..

by Whitetemplar on 08/05/2007 20:31

In sauer you have allready refraction on water so why cant you put refraction on glass ?

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#15: ..

by blikje bier on 08/05/2007 22:27

Why would you? Glassplanes normally don't show much refraction unless it is curved like a lens for example.

Different colors of glass and Opacity on the other hand would be sweet.

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#16: Re: ..

by SheeEttin on 08/06/2007 05:08, refers to #15

Right. As stated before, when you have a flat piece of glass, the refraction is minute. Why do you think people use glass in windows? Because it's the closest thing we have to something not being there visually, but being there physically. (Unfortunately, we can't place clip in real life.)

As for colors and opacity, I agree. The material system, if expanded, could be awesome.

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#17: Re: ..

by noerrorsfound! on 08/06/2007 13:37, refers to #16

I heard John Carmack noclipped a few parts of his house...

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#18: Re: ..

by SanHolo on 08/06/2007 20:04, refers to #17

That'd be TEH R0XX0RZ!!!

=)

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#19: Re: ..

by Ganandar on 08/07/2007 02:38, refers to #6

is it possible to make glass round?!

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#20: Re: rounded glass

by MeatROme on 08/07/2007 03:05, refers to #19

no. materials in sauerbraten are pure cubes.
But look at "skycastle" .. you can "fake it" ;)

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