Disappearing SFX

cineliterate

Active member
Hey Guys and Gals,

Not sure that this is the right place for this, but here goes. I'm shooting a short for school over the next week or so (it's due November 8th) and it requires a couple of simple (I hope) SFX.

There are two SFX shots. One involves a guy throwing a piece of paper into the corner of a wall, and the paper disappearing into it. The second involves the same actor portraying two characters in the same frame. Does anyone know what would be required to create this effect? Anyone willing to help me out for a big FAT credit?

Another board member, who did an awesome job creating a final matte shot for my last short, thinks he can do it; but there's a chance he won't have time, so I'm appealing to you. I can send to the script to anyone willing to help, if that will clarify exactly what I'm looking for. I have a really short time frame to get this done in, so any help you guys could lend sooner rather than later would be MUCH appreciated! Thanks!

-Ian
 
I had a friend that used a green sheet on his couch and filmed it once without anyone and then twice with me in it on opposite sides of the couch interacting and I think he did it with Photoshop.
 
If the camera is locked off on a tripod, no pan/tilt. Take the shot twice, once throwing the paper, then next as a clean plate, no paper seen in the shot. Place the shots on top of each other in the timeline, then as the paper reaches the wall, cut to the clean plate, the paper is gone. Then trim the two shots so they do not overlap. You could tweak that by making a frame or two appear to go through the wall by painting out the back half of the paper to give the appearance of going into the wall. When doing the two shots, do not change lighting conditions between shots, for obvious reasons.


As for the two characters in the same frame, if the actors never cross paths/overlap, then you can do the same as above, record the talent twice as two passes and split the image with say a crop tool in your NLE. Just keep both characters on separate sides of the frame and try and not have things like an arm cross the cropping point. If you want more interaction, then you are going to have to use a compositing application and do more serious animated masking and front/back layer decisions as each character overlaps the other.

Just some ideas...
 
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