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Submitted by Will McGugan, posted on July 26, 2000

Image Description, by Will McGugan

This is a shot of a tech demo I recently produced. There are 15 of those strange little creatures swimming over an undulating sea bed. Each one is environment mapped, and contains a point light source. The screenshot doesn't really do justice to the heightfield engine, because you cant see the real-time caustic effect. The creatures are animated with a fairly simple procedural system; the tails wriggles and the bodies expand and contract to simulate breathing.

Im planning to release the tech demo soon. But in the meantime, I hope you respond to my thinly veiled attempt to attract you to my website :)

Will McGugan

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Archive Notice: This thread is old and no longer active. It is here for reference purposes. This thread was created on an older version of the flipcode forums, before the site closed in 2005. Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.

July 26, 2000, 01:29 AM

Looks really cool!! Just ZIP that exe and release it, so we can see it moving... :)

Those creatures are actually breathing water, or is it liquid oxygen? ;-)


July 26, 2000, 02:46 AM

Cool screenshot.
You could render air bubbles if its not in there yet.
It will add some more underwater feeling to it.
And maybe give the underwater mountain some slight
pale color of blue since the horizont is blue...


July 26, 2000, 04:20 AM

Underwater creatures doesn't really produce bubbles like in cartoons ;)


July 26, 2000, 06:00 AM

Tru, but it makes the scene more complete. Why else would cartoons put them in? Q3 would have been that much better is there was a nice bubble particle system that released them slowly why the player was submerged.


July 26, 2000, 09:07 AM

Nice work.


July 26, 2000, 09:54 AM

Q3 characters would produce bubbles as the release gases from their lungs :) As stated, fish dont really produce bubbles (unless they pass gas or something :). And it isn't liquid oxygen, correct? Just oxygenated water. Liquid Oxygen would probably freeze the water it is mixed with.


July 26, 2000, 11:43 AM

Hyper-realism sucks, great atmosphere rules. Put some bubbles in there.


July 26, 2000, 12:53 PM

If you make bubbles, don't hae the fish make them. If you just want the aded effect, make the bubbles come out from the ground.


July 26, 2000, 01:41 PM

Great looking shot! Great looking creatures! Would love to see them in action.

As for the bubbles, who says these strange little creatures can't produce bubbles (after all they are described as "strange"), they may even breath the atmosphere like dolphins and whales.

Michael Edey

July 26, 2000, 01:58 PM

And I'm not sure they wouldn't produce any bubbles, after all, they do have to extract O2, and they do have to expell CO2 somehow

"Sprint 'fly rocks.", M.E.

"Sanity is not statistical", George Orwell - "1984"


July 26, 2000, 04:02 PM

BLU BLU BLA!!! BUBBLES!!! timmy...


July 26, 2000, 04:10 PM

Oh yeah, baby, who doesn't love bubbles? Hehehe...

anyway, it looks like your heightfield engine is very flexible. Am I wrong in assuming that it uses curved surfaces? Btw, for underwater stuff that's quite cool :)

And no, people, there is no liquid oxygen here, that's only possible under extreme pressure or cold temperature or in a warped universe like the one we imagine we live in hehe.
Add them anyway!!!! hehhe j/k

Actually bubbles are for people who are submerged and who breathe air. They exhale it underwater same as anywhere else. Fish have gills :)

Do you have any movie?


"What direction you should go in depends very much on where you want to end up." - a famous cat :)


July 26, 2000, 04:13 PM

What I'd really love to see some people do is some kind of warping effects with water. Make the movements of those creatures distort the water a little bit... I don't know how, but it would look cool.

I think those strange creatures have very cold interiors and have a teleportation system in their body that teleports oxygen into them and then they exhale it. That would make the scene look more underwater. What would also make it look more underwater is some kind of play of shadows on the sea floor, as the water moves. And maybe seaweed growing on it.

Bleh, I am being too silly. It's a very cool demo, it doesn't HAVE to be underwater you know! :-) Keep us posted on ur progress man! (Or woman with a man's name, in case that is true, but I doubt it... I am too weird.)


"What direction you should go in depends very much on where you want to end up." - a famous cat :)


July 26, 2000, 04:16 PM

Thanks for the comments guys!

The creatures live in water. They filter oxygen like a fish. But no bubbles (sorry). They also exhibit intelligence. Problem solving intelligence. And although I gave them no evidence for my existence, they eventualy built temples to worship me. And when I changed the colour of the light in half of them, they had holy wars over what colour I was.

Demo will be release shortly. Patience my young Padawan.


Mark Friedenbach

July 26, 2000, 05:58 PM

"The world loves a bastard."

A. Rimmer


July 26, 2000, 06:58 PM

LOL!! Nice comments William.. hehe..


July 26, 2000, 11:33 PM

A slight view warping would be effective. Like that of hot desert heat. A curved noise interpelation should do it. Water rarely behaves like this but humans observation of water (movies,comics) most often comes with this matter based distortion bend.

the ears and the eyes behold,---while the brain comprehends why.

chmod_777 thoought


January 11, 2002, 11:19 PM

that's neat!
bubbles or not. give a shit. if it's easy make it.
If they bug you in your dreams, don't do em.
it's up to you

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