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Submitted by Chong Jiayi, posted on November 14, 2000

Image Description, by Chong Jiayi

ODDSaur stands for the Opensource Digital Dinosaur Project. The aim is to create a digital living creature that runs, breathes and exhibits all sorts of behaviour on a personal computer. ODDSaur also demonstrates real-time perpixel bump-mapping and software vertex blending using OpenGL. Release 1.01 of ODDSaur shows the creature striking a running pose in either windowed or full-screen mode. Source code and the executable for 1.01 are free for download now. Compiled in C++ for win32.

The Opensource Digital Dinosaur Project:

Chong Jiayi

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Archive Notice: This thread is old and no longer active.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 Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.

November 14, 2000, 07:23 AM


But why a dino?


November 14, 2000, 09:52 AM

poor animal - how does it feed himself?

and without joking - this looks like cangaroo


November 14, 2000, 09:56 AM

i've downloaded the demo

but on my GeForce256 only tail, legs and arms are visible,
the body is not - and some text is blinking... i'm with
leaked 7.17 nVidia drivers - so maybe this is the problem


November 14, 2000, 10:01 AM

so you are creating dino internally using some procedures... you are actually modelling it... so this is kind of synthesized dyno...


November 14, 2000, 12:36 PM

Funniest lookin' kangaroo I've seen for a while...

(and I havent seen one for about 2 days...)


November 14, 2000, 01:53 PM

Hey, you guys, this dinosaur simply gets its nourishment by osmosis...

it's a fungus in the shape of a dino ;-)


Mike W

November 14, 2000, 07:33 PM

Looks just like all of the other dinosaurs I've seen...


November 14, 2000, 10:10 PM

"but on my GeForce256 only tail, legs and arms are visible, the body is not - and some text is blinking... i'm with leaked 7.17 nVidia drivers - so maybe this is the problem"

Same thing happens on my Geforce256. I'm using the normal Detonator 3 drivers.



November 14, 2000, 10:16 PM

Looks fun though!

And a great project too... how detailed is the metabolism/etc?

what algos are you using?


November 15, 2000, 12:20 AM

I ran the demo(despite the fact that I don't have a GeForce or better like it suggests, I use a TNT2) and this is what I got... sounds similar to what some of you are getting...

Steve 'Sly' Williams

November 15, 2000, 01:00 AM

We ran it here on a GeForce 2 and it shows tail, legs and arms only. Not sure what he is doing wrong. What we can see looks nice enough. Shadows look strange. Not sure what else to say. Good on you for giving it a go.


November 15, 2000, 03:26 AM

Alright! Lets make a 3D tamagoshi :)



November 15, 2000, 04:09 AM

Dont mess with that cangaroo... it will bite your head off ;)
Hm, but seriously, think he said that he got the idea of making this
dino from the BBS series with 3d animated dinos.
have you guys seen it yet?


November 15, 2000, 05:51 AM

saw the series... was more impressed with the 'making of' episode, where they went through all the deduction processes about making them move, and those sorts of things.

I found the series almost obscenely twee, with Kenneth Branagh saying 'this muttaburrasaurus would usually have no problems defending itself against two or even three deinychus, however, this one is old and is suffering from a skin disease...'

the 'story' just ended up shitting me to tears, which was compounded by the fact that I love dinosaurs.

Not to say it wasn't a great acheivement by Tim Raines et al, but I was frustrated by the lack of scientific info...

call me a nerd!

This one's looking great though Chong! I had no problems on a celery 450 w/ tnt2


November 15, 2000, 11:16 AM

Hmmm... thanks for the criticisms guys... the project is currently in a pretty alpha stage I guess... the reason why it can't run on a TNT2 or less is because they don't support the Nvidia register combiner extensions... As for why you can't see the body on other Geforce cards, I'm still working on it... Runs fine on my system though... Currently, I'm still working on adding different behaviours to the dino before I add the much-needed jaws...

The tails, legs and neck are vertex-blended using matrix interpolation and the orthonormal calculations for bump-mapping are also catered for vertex blending...

Eventually, after most of the features are added, I hope to add an enviroment for the creature to roam in... maybe make it into a screen saver or something...

Anyway, thanks for the comments as well as the criticisms... could very well learn from them!

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