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Motion Sketch in a straight line

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Sue Bauer
Motion Sketch in a straight line
on Jun 23, 2011 at 3:41:05 am

This might be an easy question, but I can't figure out a way to do this efficiently. I'm trying to make a music video similar to the 3rd video on this web page:

http://blog.leftchannel.com/2010/05/06/express-march-april/

Scroll down to the video labeled 'APRIL 2010 CAMPAIGN Music: “Wear My Kiss” by Sugababes.'

I want to know how to do the effect from 0:04 to 0:06.

Right now I have 5 black rectangles that I'm animating manually using Position keyframes. However, there must be a more efficient way to go about it. I tried the Motion Sketch effect but couldn't get the black rectangles to go straight up and down.

I tried a lot of other ideas too, and searched the web and the forum but can't find an answer to this question. Thanks so much in advance for any help.


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Dave LaRonde
Re: Motion Sketch in a straight line
on Jun 23, 2011 at 3:27:21 pm

[Sue Bauer] "I tried the Motion Sketch effect but couldn't get the black rectangles to go straight up and down. "

Set an initial position keyframe. Advance the timeline cursor to a later time. Scrub the vertical position setting, shift-drag the layer up or use the up-down cursor keys. The layer will now move vertically.

Copy the initial keyframe, move the timeline cursor to a later time and paste: the layer will now move up and down.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Darby Edelen
Re: Motion Sketch in a straight line
on Jun 23, 2011 at 9:55:31 pm

If you want to use Motion Sketch you'll have to apply an expression to zero out the x value of the position. I'd recommend applying the motion sketch to a Null Object as this will allow you to parent the solid and vary the relative x and y position.

Try creating a Null Object, use motion sketch on it, apply this expression (PC: alt-click on the stopwatch, Mac: opt-click on the stopwatch):

[0, value[1]]

Go to frame 1, parent the solid to the null and then move the solid to the position where you want it to start it's animation.

Darby Edelen


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Sue Bauer
Re: Motion Sketch in a straight line
on Jul 5, 2011 at 2:26:10 pm

Thanks, Darby. You're a star! That works quite well. I hoped there was a way to keep my layer going straight up and down but I could not figure it out. Much appreciated. I ended up finishing another project because this one is taking a lot of time. Funny how that works. Now it will go more smoothly. I appreciate your time.


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