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I'm trying to jitter an object's location during an animation, and be able to control the strength of the hitter. I tried keyframing the strength of a noise f-curve modifier, which doesn't work:

Failed to resolve path to property, try manually specifying this using a Keying Set instead

Is there a good way to jitter the location of an object, and change the strength of the jitter throughout the animation?

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    $\begingroup$ can switch to drivers ?it would be easier $\endgroup$ – Chebhou Mar 4 '15 at 17:15
  • $\begingroup$ Not sure how to do that.. Which driver var could I use to jitter the location? $\endgroup$ – ajwood Mar 4 '15 at 18:44
  • $\begingroup$ you have the same modifiers in the drivers as for F-curve and on top of that you can scripted expression , you can also have the same f-curve for an empty then use the empty loc as driver for the object $\endgroup$ – Chebhou Mar 4 '15 at 18:49
  • $\begingroup$ I don't think that allows me to change the intensity of the noise jitter throughout the animation though, does it? $\endgroup$ – ajwood Mar 4 '15 at 18:50
  • $\begingroup$ I updated the question to make less of an assumption about how to achieve the animation technique.. $\endgroup$ – ajwood Mar 4 '15 at 19:13
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In this test scene:

  • the empty has the original animation
  • the cube copies the empty animation and adds some random value
  • the amplitude of the random value is controlled by cube property :

this is the driver of the X_loc of the cube :

enter image description here

this is the animation while changing the cube property :

enter image description here

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  • $\begingroup$ @ajwood you can keyframe the cube property ,change the noise function check this page $\endgroup$ – Chebhou Mar 4 '15 at 19:35

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