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it was more of a thought puzzle for a motion graphics "screensaver" (five minute video art loop) for a presentation. Thought there might be an expression-based way to do this easily but it looks like some scripting over my head. gonna go with different effect and keep thinking about it. It would have needed to be fairly easily editable on the fly and done quickly, so the matte process was also too time consuming. This is a situation where a node-based system would be ideal I think.
On Fri, Sep 7, 2012 at 5:43 PM, Chris Zwar <chris@chriszwar.com> wrote:
The simplest and easiest way to do this would be to set up a bunch of mattes and do it conventionally. It would still be quite complex, to cover all the possibilities, but you could approach it up in a logical manner.
If your circles were strong solid colours you might even be able to set them up in a precomp with an add blending mode, then key the resulting colours to create mattes for the various blending modes you want in your main comp.
It would still get fairly complex, and I'd be interested to know why you wanted to do this. I would have thought that blending modes by themselves would be able to do what you want.
-Chris
On 07/09/2012, at 4:28 AM, Teddy Gage wrote: How would I go about creating a "conditional" blending layer? What I mean is it possible to have say five circles called A,B,C,D,E randomly floating in space and overlapping, such that unless A is over B, A has "normal" blending mode, but when A overlaps B, it has an "add" blending mode? And then when A overlaps C it has multiply blending mode instead, just as an example? This is a puzzle...
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Animator & Editor
www.teddygage.com
Brooklyn
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Animator & Editor
www.teddygage.com
Brooklyn
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