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Multiply Yourself In Final Cut
Hey all, I was watching Justin Timberlake’s Video for “Rock Your Body” and towards the end of the video (3:58) there is a section where there are multiple Justin’s. My question is, how does one go about doing this?
After really looking at it, I concluded that the talent must stand one spot, do his thing, then move to another spot and do his thing as the cameras pans around. However, when going into final cut, how is this done? Please tell me that it’s not as easy as taking the clips and stacking them on top of one another, cause if it’s that simple, I’m going to slap myself, lol 🙂
Here is a link of the video…fast forward to 03:58 and you will see what I am talking about.
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4 Replies
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It is sort of as easy as putting them on top of each other, once you’ve planned what is going to go where so you fill the space correctly without overlapping action. The bit you might have trouble with is the pan, as it needs to be motion controlled and was probably done with a Milo, against a key screen with multiple passes.
You might be able to do a budget version using a CCTV motorised camera mount, fixed securely to a tripod or mount of some sort, set it to rotate or pan left and right, then key and composite the different elements. Once you’ve set it running, try not to move anything or even touch the camera, consistant speed is the key! -
Could have been motion controlled camera in that one specific shot, but then again, I don’t see anything there in that referenced section that couldn’t have been done without it. What looks like a pan is IMO just a really *large* aftereffects comp, and you’re taking each independent greenscreen shot of Justin, adjusting an overlap, and sliding it at the same rate in the one axis. Think of it as a stack of layers of glass, with one shot on each layer of glass, includign the fake background and floor, then you pull them all past the virtual camera at a steady rate, your eyes “read” it as the camera doign a pan, but the camera is locked down and th e*room* and the iterations of Justin are what’s being moved.
You could do this with the motion tabs in the regular FCP timeline, somewhat easier in Apple Motion though. This kind of comp is something AE people do as second nature.
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I think it is safe to assume everything in this video was added in post including the lens distortion.
It looks to me like Timberlake was shot on a chroma-key stage and then comped into a virtual environment. I think Mark nailed it. Stuart’s method would be the way to go if you wanted to shoot something similar in a real location with no keying. You’d have a lot of rotoscope work to do, though. -
Having had a better look at it i think the others are right, it probably is a post effect utilising the virtual cameras and 3D space in After Effects. I’m sure there’s a good tutorial on how to do virtual camera setups in the AE tutorials section, i’ll have a look later when i’ve done some work to pay the bills!
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