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When you increase the density, the points jump about as if each new amount is a new seed. I'm looking for a way to do this so the volume is populated smoothly and controllably.

In ye olde Softimage XSI you could simply animate the emission rate on a volume emitting particles, but emission rate is un keyable in Blender, it seems.

Any help greatly appreciated. (Relative noob in Geo nodes) Using 3.4.1

Thanks!

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  • $\begingroup$ Ahh .. ye olde Softimage, of famed elegance and grace, long since swallowed by the gnarlèd dragon.. $\endgroup$
    – Robin Betts
    Aug 22, 2023 at 6:35
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    $\begingroup$ @RobinBetts The greatest tragedy of our time :) $\endgroup$
    – benz
    Aug 22, 2023 at 13:54

1 Answer 1

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You can generate maximum amount initially, and then choose from them only the desired amount.

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  • $\begingroup$ Oh wow thanks! So how are you animating this - with the scene time? $\endgroup$
    – benz
    Aug 22, 2023 at 4:44
  • $\begingroup$ Also, I'm trying to instance random objects from a collection. presumably I should replace your Separate Geometry node with an instance on points node? $\endgroup$
    – benz
    Aug 22, 2023 at 4:49
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    $\begingroup$ @benz: pls click on the checkmark left of ugorek's answer, if it helped you. Thx. $\endgroup$
    – Chris
    Aug 22, 2023 at 5:37

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