Ken Teutsch
Forum Replies Created
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This is done by taking a still image, cutting out the people/objects, then offsetting them from the background and each other in Z space, and moving a 3D camera around/among them. They can be made to seem to move by using the puppet pin tool to distort the image. It is tricky to do well, but not that complicated in theory. (Like most things.)
Google “2.5D after effects tutorial” or something like that to see lots of examples of how to achieve it.
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You will need to create a holdout matte over the object blocking the plane you are trying to track. Then mocha will know what to track and what to ignore.
You might start with this: https://www.imagineersystems.com/videos/tutorial-tracking-dealing-with-foreground-obstructions
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You need to drastically EQ the audio, and if you can get hold of any audio software, you will be much better off. (If you have Creative Cloud, use Audition. It has presets to automatically do exactly what you want.) AE has little in the way of audio tools.
If for some reason you simply can’t do it any other way, you can use the (clunky) Parametric EQ effect.
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If you make the audio in the precomps guide layers you can hear them while working, but don’t have to worry about forgetting to turn them off. Guide layers don’t show up in renders.
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The speed and value graphs can be very confusing. Here’s a useful tutorial when you get to that point:
https://www.schoolofmotion.com/intro-to-animation-curves-in-after-effects/
Remember the speed and value graphs will vary the speed over the course of time (start fast, end slow…slow-fast-slow…etc.) but the total amount of time required is still governed by how far apart the keyframes are and how far the object is moving.
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Unless I misunderstand you…
Yes, if you want the object to move the same distance, only faster, you need to move the position keyframes closer together on the timeline.
You might take a look here: https://blogs.adobe.com/aftereffects/2010/01/getting-started-with-after-eff.html
for some information on timeline basics and other things. -
You can vary the speed across time with Easy Ease or by using the graph editor, but it is always going to take 120 frames to move between keyframes 120 frames apart.
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Here is a pretty good tutorial that covers some of the gotchas when moving from Illustrator to After Effects.
https://www.schoolofmotion.com/illustrator-to-ae-the-field-manual/
If you give them your email address there’s also a link to a pretty handy tip sheet.
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I had never seen this before either, up until (coincidentally) yesterday, when it happened to me for the first time ever. (Windows 7)
I was goofing off running through the new Red Giant Universe effects to see what they looked like, and after about ten minutes of “add effect/delete effect/add effect/delete effect” AE went nuts in that way. As I say: That’s the only time it has ever happened to me.
I don’t know if it was a 3rd party effect problem, graphics card problem, memory problem, or if AE was just annoyed with me for wasting its time.
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I have had some success using the Shift Channels effect. You can use the luminance channel to make an alpha channel and use the whole thing to create a track matte. Depends on the footage, of course.