How to draw a virtual line

Posted by stefangs 
How to draw a virtual line
September 15, 2018 03:33PM
Hi all,

I imagine the following:

- Talent stands in front of the camera and pulls a virtual screen from outside of the frame in front of him. I've been resonable successful with this by animating a rectangle following the actors hands. The rectangle is on another track with composite mode set to 'add', so it's a little translucent and looks ok.

- Talent now draws a virtual line graph with his finger and magically the line appears on the screen. I tried animating a line in Motion with the paint stroke tool. It has the right look and feel, but for one thing, the line disappears after a moment, and for another, I wouldn't know how to follow the talents hand. It doesn't need to be super-precise, but the illusion should be reasonably convincing.

- After taking for a while about this graph, the talent would manipulate the line graph by distorting it in a number of simple ways (like stretching it).

Am I asking too much or is this possible with what I've got?

Thanks,
Stefan

--
macpro 2x3 ghz dual core intel, 10.6.8, FCS 2
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