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Cornell Box

  

GNOME Screensaver

Score 64%
Cornell Box
zoom


Cornell Box
zoom


Link:  http://
Downloads:  10260
Submitted:  Feb 20 2008
Updated:  Jun 13 2008

Description:

Here are two of my custom made OpenGL screen savers. Select them in the preferences window -- the names to look for are 'Cornell Box' and 'Cornell Golf.' You need to have 3D acceleration for them to work properly. Any card made within the last 8 years should do fine. I tested them with an old GeForce2 MX 400 and a new GeForce 7300GT, and there's no difference.

One is the famous Cornell-Box Global-Illumination scene. In the other, the two standard boxes have been replaced with some nice 'Spalding Top-Flite PLUS' golf-balls. The models, finite-flement radiosity solution, and light maps were made ages ago with Blender 1.80a. A simple python script was used to export to C code.

Download here:
http://home.comcast.net/~gamma-ray/cornell/cornell-bin.zip

Note: The instructions below are for Ubuntu. Your distribution may use a different default location for the files.

To install type:
cd /
sudo unzip ~/cornell-bin.zip

To remove type:
cd /
sudo rm `unzip -Zl1 ~/cornell-bin.zip`

Hint: if you download to the Desktop then use ~/Desktop/cornell-bin.zip as the file name.




Changelog:

Updated to xscreensaver-5.05




LicenseArtistic 2.0
Ubuntu
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 Looks very nice!

 
 by code933k on: Feb 21 2008
 
Score 50%

I think I'll try it in one month or later but I really like the elegant look it has at the screenshots.

Mainly the first one.

Thanks for sharing!


Writing for money and preservation of copyright are, at bottom, the ruin of literature.
- Arthur Schopenhauer (1788 - 1860)

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 Re: Looks very nice!

 
 by scorpius on: Mar 14 2008
 
Score 50%

Thanks. Have you tried them out yet? You don't really have to wait a month do you? :)

I'll wait for some feedback before I add anti-aliasing.


http://chronosphere.home.comcast.net
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 Re: Re: Looks very n

 
 by Zaidira on: Mar 21 2008
 
Score 50%

i have tried it. a really good start IMO. thanks for it.
but i think it would be nicer with anti-aliasing. and can you please make the golf balls moving.

zaidira


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 Re: Re: Re: Looks very n

 
 by scorpius on: Mar 22 2008
 
Score 50%

I'm working on the anti-aliased version, but I have to learn some more GL first.

What do you mean by "make the golf balls moving." Don't they rotate along with the boxes?


http://chronosphere.home.comcast.net
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 Re: Re: Re: Re: Look

 
 by Zaidira on: Mar 22 2008
 
Score 50%

No no, i have the rotation, but i think it would look nice if the balls would rolling around or bouncing against the walls. i don't know if that is possible or how difficult it would be to make this.

Zaidira


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 Re: Re: Re: Re: Re: Look

 
 by scorpius on: Mar 23 2008
 
Score 50%

Yes, that would be a great effect, but it's difficult to implement.


http://chronosphere.home.comcast.net
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 Re: Re: Re: Re: Re:

 
 by Zaidira on: Mar 24 2008
 
Score 50%

i don't have any experience with OpenGL, or at least not more than making a circle with it, but i know that something like this is difficult. Maybe in the future you will be able to make this.
By the way: You cann add the geforce 8600 series to the system-requirements.;)

Zaidira



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 Re: Re: Looks very nice!

 
 by code933k on: Jun 11 2008
 
Score 50%

Sorry for the late reply. Well, I just tried this in my amd64 notebook without any luck. I don't know if it is possible having a 64 version of it or you could provide the code (it is your choice anyway, no pressure or so)

I'd really like to help you checking this out in a 64 bits machine...

Whatsoever, some distros, at least Gentoo, doesn't have the hardcoded paths defaulted in the "installation" zip package (just to let you remember ;)

PS:// It is underrated anyway, but don't give up in case you are trying to understand if it is worth following up.


There are arguments out there that it's better to have a single standard desktop environment, so that our mothers can find their way around [...] --pekwm doc
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 Re: Re: Re: Looks very nice!

 
 by scorpius on: Jun 13 2008
 
Score 50%

I think 32bit code won't run on a 64bit OS. Unless you have one of those hybrid OSs.

If you can download and compile this: http://www.jwz.org/xscreensaver/xscreensaver-5.04.tar.gz
then I can send you my patched source.


http://chronosphere.home.comcast.net
Reply to this

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 Re: Re: Re: Re: Looks very nic

 
 by code933k on: Jun 13 2008
 
Score 50%

No, I think it wont run anyway in a 64bits xscreensaver. I do use Gentoo so actually have the Xscreensaver 5.05 installed from the very sources, you can point the code whenever you want or you can.

Thanks & Cheers man.


Get a life! Out of Internet there are plenty opportunities to do real life tasks, as for example killing people. You can do it _serially_ if you want to!
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 Re: Re: Re: Re: Re: Looks very

 
 by scorpius on: Jun 16 2008
 
Score 50%

OK, here it is. Just make sure the "xscreensaver-5.05" directory is located in your cwd, then unzip it. Note that this might not work if you do a "make install" but the binaries will be created.

http://home.comcast.net/~gamma-ray/cornell/cornell-src.zip

Please let me know if it works.


http://chronosphere.home.comcast.net
Reply to this

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 Tutorials

 
 by Zaidira on: Apr 16 2008
 
Score 50%

Have you any tutrials for me where I can learn how to make something like that?


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 Re: Tutorials

 
 by scorpius on: Apr 18 2008
 
Score 50%

Well, I learned from printed books, and from my imagination.

For the content, I used Blender and there are plenty of resources online.

For the screen saver, it's just basic OpenGL code and some simple C programming, but some experience helps you get further much faster. For the C code I just hacked the source of the xscreensaver package.


http://chronosphere.home.comcast.net
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 Non-Ubuntu User

 
 by gerowen on: Jan 28 2009
 
Score 50%

Is there sourcecode that those of us who don't use Ubuntu could use? Possibly a .rpm package that people with Redhat* distros could install?


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 wrong place

 
 by bogomol77 on: Sep 16 2009
 
Score 50%

Hi lads, sorry for silly question, Im a newbie in linux. Installed cornell box on a desktop by mistake, it created folder Usr. Is there any chance to remove it before reinstalling somewhere else?
-----------
sudo rm `unzip -Zl1 ~/cornell-bin.zip`
says missin rm operand..
-----------
sudo rm `unzip -Zl1 ~/Desktop/cornell-bin.zip` says cant remove 'usr/.....

Any ideas? thanks a lot.


Bogomol
Ubuntu 9.04 jaunty on Philips freevents 15nb57

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.

 Beautifull piece of screensave

 
 by brunofunny on: Jan 5 2011
 
Score 50%

But I've installed with:

[root@host /]# unzip /full/path/cornel-bin.zip

Then, worked fine, if you only do 'sudo...' it will extract to the current folder... same thing with the remove command.

Again, nice piece of screensaver, waiting the anti-alias version ^^

P.S: Worked fine on a Intel Corporation 4 Series Chipset Integrated Graphics


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