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Im making a scene in which i want these neon lights to flicker after they've been turned on. Before they are on, i want them to be transparent. I've tried attaching a Principled BSDF (with an emission) and a transparent BSDF to a mix shader and keyframe the factor. enter image description here

However, when i apply the noise modifier, the noise is applied to the whole graph. enter image description here

How do I make the noise come into effect only after the factor has changed from 1 to 0?

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On the modifier panel you should see a check box labeled Restrict Frame Range.

Enabling it will open up a panel with options for setting the range of frames the moderator applies to:

Noise modifier showing restrict frame range enabled.

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  • $\begingroup$ thank you! wow didnt realise it was directly in front of me $\endgroup$ Commented Sep 5, 2021 at 14:50

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