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I am doing the effects for a commercial that is about to be shot on Thursday and i want to hear your suggestions on how to shot and achieve the effects.
The first shot is a man running in a street with people like speedy gonzales with speed-trails coming of him but the other people are at normal speed.
The second shot, time stops and i leaf gently drifts down while everything (people, cars and so on) is stop.
Fairly basic stuff i guess, but theirs many ways to skin a cat and i wanna make sure that i choose the most efficent way to skin it.
You did not mention which system or compositor you’d be using, but I created a “speed” effect in After Effects by simply copying the running character several times, then delay those layers, decreasing each layer’s opacity as you go. I tried this with a running horse, and used three “trailing” layers. Try to shoot your character with greenscreen- or use some way you can isolate the character. This way, you can restrict the blur effect to your character. Otherwise, you’ll have to spend lots of time rotoscoping to replace your non-speeding background around your character.
Final Effects has a “FE Wide Time” plugin that produces a similar “blurred time effect”. That works on the full frame of video. So if you have a locked down camera with a running/moving figure, the blur only applies to the moving pixels.
A “zoom” effect, or “ludicrous speed” effect (thanks Mel Brooks!) can be achieved in AE as well… I used FE Smear, also from Final Effects (sold by Media 100 these days).
Best wishes,
Scott
I had to do the same effect for a Honda dealer association 3 months ago.
Iused the Timewarp effect in Flint. Youcan adjust the amount of mix frames to get your trails looking right. It will trail anything that is moving in the frame while keeping anything that is still “untrailed”
speedsix has plugin for this. Works well by overlapping trailing frames like open iris.
-cTrails are easy. The hard part will be comping the fast man into the crowd. Even if you can shoot him on greenscreen you’ll still have to roto all the people and street furniture that will pass in front of him. How well might a difference matte work, shooting him in an empty street, along with a clean street and a full street? Do difference mattes EVER work properly? 🙂
I think a difference matte wouldn’t work so well in an outdoor environment. Too many variables can change between shots for the difference matte to work… lighting being one of the main ones. You’d probably be spending as much or more time fixing the matte than you would rotoing.
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