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View Full Version : Question: superimposing 2D animation on a 3D movie


Szishren
02-10-2004, 07:11 PM
Hey all, first message I post here, so first of all: my apologies if I chose the wrong forum for it.

I've been playing with the idea of creating an environment in a 3D program (3ds max, but I don't think that matters much) and create a short animation with that by moving a camera through it. I'm very limited in my 3d modelling skills, but this sounds doable to me. Read: I know how to move a camera through an environment and create an animation that way.
The thing is, I would like to have 2d drawn characters walk around in that environment. But I have absolutely no idea what software would be fit to do such a thing.

I suppose I could render the 3D frames to separate TIFs and manually draw on top of them in a program, but that would be a lot of work and I think it'd be difficult to make sure the chars are in the same position from frame to frame.

I'm not sure what I should be looking for.
A program that'll allow me to have the 3D movie on a lower layer on a timeline or so and let's me draw from frame to frame on top of that?

Or should I just consider drawing the characters separately, their timing based on "educated guessing" and then just try to adjust their positions later on when I paste them on top of the movie in After Effects or Premiere or so?

This is all just an idea that's been playing in my mind, I am not sure if I'll ever do anything with it. But I was wondering about the best (or just "a good") way to realise it if I ever should wish to try it on. This also means I have no WIPs or anything to show to you after accepting your pieces of wisdom. Just thought it'd be fair to let that be known in advance.

Anyway, any help anyone could give me will be much appreciated.

WesComan
02-11-2004, 03:03 PM
Hey Szishren!

I think the technique you'd use depends on the type of shot. If you have, say, a character jumping off one object onto another then it would help to have the 3d background rendered as reference and draw the characters on top of it, when you comp them together you will know for a fact that they will line up. For other shots you could simply apply your 2d animation of a character as a texture onto a single poly and place it into the 3d scene and render the scene in one go.

One thing to watch out for is matching the 3d and 2d for held frames. If your 2d is on 2's (or more) and 3d on 1's then it will look like the 2d is slipping.

Hope this helps :)

Wes
CG Animator - Passion Pictures
www.passion-pictures.com

Szishren
02-11-2004, 06:21 PM
Ooh, thanks for the advice indeed.
I hadn't even thought of inserting the 2D animation as a texture yet.
Thanks! :)

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