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Vertical Loop

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james simpson
Vertical Loop
on Nov 3, 2011 at 5:08:43 pm

Hi there, NEWBIE EXPRESSION USER ALERT!!!
Thank you for your patience in advance.
So I have a poem in vector/ai form and want to loop this so that it scrolls vertically over and over again.
I've searched this forum and found what I think is the answer but I don't know how to apply the answer!?!

Dan Ebberts the genius of all expressions suggested this on a previous post:

spd = 1.0; //scroll speed (pixels per second)

[width,height]/2 + [0,time*spd]

All help would be really, really appreciated.

Thanks, Jim

spd = 1.0; //scroll speed (pixels per second)

[width,height]/2 + [0,time*spd]


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Dan Ebberts
Re: Vertical Loop
on Nov 4, 2011 at 3:12:46 am

If the entire poem fits on the screen, you could add the Offset effect to the text layer, and use an expression like this for the Shift Center To parameter:

spd = -50.0; //scroll speed (pixels per second)
value + [0,time*spd]

If the poem is too long to fit on the screen, it gets a little more complicated.


Dan



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