CGTalk - Playblast as a mask with Primary Colors?

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CobraX

07-14-2003, 03:02 PM

Hey everyone,

I am wondering if it is possible to get a playblast of particles to be in primary colors so as to get those particles to act as a mask. The purpose of this would be to get the nice movement created on those particles and map some footage or textures on them.

I have 4 particles type in the same scene. Would you know if something like this is possible?

Thanks.
Xav.

altruizine

07-15-2003, 01:32 AM

According to your thread title, I believe I know what you're asking and yes, you can do it. It's quite easy.

It's actually something I'm doing in my current project. I'm using point particles to create a starfield of sorts, one set of full red, one set of blue and a set of green. That allows me to individually adjust the brightness & color of each set of stars - which is perfect for my purposes and I can render everything in a single pass.

Using solid R, G or B values is a great method for getting multiple discreet passes out of one pass.

I'm still using the Hardware Render option in maya for my particle rendering tho. Then I take those sequences into AfterEffects and do all of my color separation and adjustments. Use the Shift Channels effect on your footage and you can get a grayscale image of the individual channels which you can then use to render out matted footage or bring back into Maya to use as a matte there...

Hope that's what you're asking... if not - ask again.. :)

-JF

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