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Schitzoboy
Paranoid (IV) Inmate

From: Yes
Insane since: Feb 2001

posted posted 01-12-2002 23:54

Has anyone seen those renders that look like 2D cartoons but really are done in 3D programs? They just don't shade as much and the add thick lines around the borders of objects. Can POVray do this?

Thanks,
Schitzo

GRUMBLE
Paranoid (IV) Mad Scientist

From: Omicron Persei 8
Insane since: Oct 2000

posted posted 01-13-2002 00:40

me thinks no. or at least, i haven't any clue how to do these...



Slime
Lunatic (VI) Mad Scientist

From: Massachusetts, USA
Insane since: Mar 2000

posted posted 01-13-2002 01:55

Mega-POV (an unnoficial version of POV-Ray based on version 3.1 code) had some post-processing effects which may have sort of simulated this... they included things like outlining along pixels where there was a large difference in distance from the camera, which could create a cartoonish effect... but you'll have to show us a picture of what you're referring to.

warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 01-13-2002 04:53

Jeez. I remember a Quake 2 model that did that. It was pretty neat-o-bineat-o. It was like that movie Cool World or Who Framed Roger Rabbit? (well, some of the characters). Watching a "flat" character move like a 3d character in a 3d world can be pretty trippy.

I read the tutorial on how to do it, but I don't remember it *exactly*. It had something to do with making a copy of the model, then enlarging a bit, and setting the larger model to 1/2 transparent or something.

I'll start looking for the tutorial. Hopefully I can find it and you will be able to do with POV-Ray.


warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 01-13-2002 05:02

This for how to do it in Max. Don't know if it will translate to POV-Ray: http://www.cokane.com/lines_tutorial.html


Here's a long way of doing it: http://www.gamedev.net/reference/programming/features/celshading/

edit: Not much help, eh?

edit2: To continue with my usefullness, I figured out how to do it with 3DS Max. It takes two renders as near as I can figure: one with Diffuse Colour set to a map and Self-Illumination set to same map (although and ambient render would probably be better), and the other with Diffuse Colour set to Fall-Off/Light-Shadow. Toss into PS to slap it together.



[This message has been edited by warjournal (edited 01-13-2002).]

[This message has been edited by warjournal (edited 01-13-2002).]

Fig
Paranoid (IV) Mad Scientist

From: Houston, TX, USA
Insane since: Apr 2000

posted posted 01-13-2002 07:45

I know LightWave ships with a "toon" render plug-in built-in, and there's similar plug-ins available for Max as well. Couldn't tell you as far as POV Ray or a game character tho. Polycount is a great resource for game models if you're looking for more on that.

Chris


KAIROSinteractive

warjournal
Maniac (V) Mad Scientist

From:
Insane since: Aug 2000

posted posted 01-13-2002 23:49

I didn't bother with the thick lines trick. What interests me right bnow is getting the cartoon shading. Once I started doing some more serious playing with 3DS Max and PS, I got a system that's works pretty well for me (along with some variations).



That's the real short version of it. Do two renders, as seen across the top. Then toss into PS and fiddle. The lower-left is the shading layer set to Hard Light. The lower-right is the cartoon shading. I changed the shaded layer to Multiply and set opacity to 50%. Then I Leveled the snot out of it real nice and tight. (I also did an alpha render to extract from background, but I'm not showing it.)

I've got some UT character models and I got some damn nice cartoon things.

I don't know anything about POV-Ray, so I don't know if you can to the flip normal trick for outlines as explained in one of my earlier links, but POV-Ray should be able to provide the renders that I have just presented.





[This message has been edited by warjournal (edited 01-13-2002).]

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