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..Problems with the wiggle in a null object..

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mijail perez perez
..Problems with the wiggle in a null object..
on Nov 23, 2011 at 2:09:00 pm

..Hello people!!!.. how are you!!!!...

..I have a project and in the camera´s null I have an expresion, wiggle(4,12).. I want to change the wiggle´s values in an especific frame.. I had read that I have to link the expression with a slider, but I don´t know how I have to do it.. Someone can explain me??...

..Thank you!!!...


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John Cuevas
Re: ..Problems with the wiggle in a null object..
on Nov 23, 2011 at 6:20:05 pm

Add "Expression Controls > Slider Control" to your null layer. Open up both the slider effect and your position expression.

Change the expression to: myFreq = effect("Slider Control")("Slider");
wiggle(myFreq,12)


Now just you can keyframe the frequency of the wiggles. If you were to add another slider and variable, you could also change the amplitude of your wiggles.

Like this:myFreq = effect("Slider Control")("Slider");
myAmp = effect("Slider Control 2")("Slider")
wiggle(myFreq,myAmp)



Johnny Cuevas, Editor


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mijail perez perez
Re: ..Problems with the wiggle in a null object..
on Nov 23, 2011 at 6:42:45 pm

..Hello friend!!!..

..Ok, I added a slider control to the camera´s null, in the Expression: Position, I put: myFreq = effect("Slider Control")("Slider");
wiggle(12,12). In the Slider Control / Slider (null effects), I put 0 in the second 0, in the second 2, I put 50 and for finish, 100 in the second 5. The wiggle is the same in all seconds.. What I did wrong??..

..Thank you...


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John Cuevas
Re: ..Problems with the wiggle in a null object..
on Nov 23, 2011 at 7:01:28 pm

Right now your expression just says wiggle(12,12), so it will always just be wiggling a 12 pixels.

If I understand what you want to do, you need to change "the how much"(the second number in the wiggle). You need to change the second line of your expression to:
wiggle(12,myFreq).

Johnny Cuevas, Editor


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Angie Taylor
Re: ..Problems with the wiggle in a null object.. #AfterEffects Tip
on Nov 24, 2011 at 9:25:43 am

Hi there,

Here's a project that will show you how to set up this variable wiggle. Any questions please ask.

3312_variablewiggle.aep.zip

cheers,

Angie

Angie Taylor animation & illustration for television, film, web and devices

http://www.angietaylor.co.uk
Twitter: theangietaylor
Linkedin: theangietaylor
http://www.facebook.com/pages/Angie-Taylor/118378194869002



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mijail perez perez
Re: ..Problems with the wiggle in a null object.. #AfterEffects Tip
on Nov 24, 2011 at 1:51:15 pm

..Thank you Angie!!!!.... i´m going to see it!!...


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mijail perez perez
Re: ..Problems with the wiggle in a null object.. #AfterEffects Tip
on Nov 24, 2011 at 2:05:35 pm

..Hello Angie.. thank you for your help!!.. but I cant´open the file because was done in Ae 10.5... :(


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Angie Taylor
Re: ..Problems with the wiggle in a null object.. #AfterEffects Tip
on Nov 24, 2011 at 5:37:06 pm

OopS! Sorry, I saved it as a CS5.5 project. Here's a link to a CS5 project instead!

3314_variablewiggle.aep.zip

cheers,

Angie

Angie Taylor animation & illustration for television, film, web and devices

http://www.angietaylor.co.uk
Twitter: theangietaylor
Linkedin: theangietaylor
http://www.facebook.com/pages/Angie-Taylor/118378194869002



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mijail perez perez
Re: ..Problems with the wiggle in a null object..
on Nov 24, 2011 at 11:45:16 am

...Hello John.. ok, I did it, and it works, but the wiggle´s amplitude is very big.. how can I do to put a amplitude small and more quick??.. I know that I have to put a small number, then, the wiggle would be small (amplitude), but is this case isn´t ... In the wiggle, for example, wiggle(1,2), a number have to control the pixel movement and the other value to control other parameter, but i don´t know which is.. Can you help me, please??..

..Thank you!!!...


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mijail perez perez
Re: ..Problems with the wiggle in a null object..
on Nov 24, 2011 at 1:57:45 pm

..Hello John.. ok, I did it, and works, but the wiggle amplitude is very big.. how can I do to put a amplitude small and more quick??.. I know that to put a more small number would works, but is this case isn´t ... In the wiggle, for example, wiggle(1,2), a numbre have to control the pixel movement and the other value other parameter but i don´t know what is.. Can you help me, please??..

..Thank you!!!...


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mijail perez perez
Re: ..Problems with the wiggle in a null object..
on Nov 24, 2011 at 4:28:53 pm

..Thank you John, thank you Angie!!!!... I did it!!!... it works perfectly!!!.. thank you!!!...


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