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I'm animating the End Mapping value of a curve and I wanted to array them, that's not the problem. The problem is that I want to animate the End Mapping value with one or two frames offset one instance from the next, and I don't know if it's even possible to.

I could do it manually, it wouldn't take too long, but it's just so I can save the technique for later use.

Maybe Geometry Nodes is the way to go here.

.blend file

enter image description here

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  • $\begingroup$ can u provide blend file? $\endgroup$
    – Chris
    Commented Jan 10, 2022 at 6:15
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    $\begingroup$ I can't share the exact .blend file for privacy issues but I can share a new one with the same objects in concept. $\endgroup$
    – Throndronis
    Commented Jan 10, 2022 at 10:11
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    $\begingroup$ Have you heard about the addon called Commotion? It may be exactly what you are looking for. $\endgroup$
    – mqbaka mqbaka
    Commented Jan 10, 2022 at 10:40
  • $\begingroup$ I don't fully understand the question, sorry. You want all of those curves to map shorter or longer along their own length? Or morph the straight ones to the curved ones? $\endgroup$
    – Robin Betts ♦
    Commented Jan 10, 2022 at 10:54
  • $\begingroup$ I've checked it out and it seems like the Commotion addon works perfectly. I'll answer the question myself, thank you very much. $\endgroup$
    – Throndronis
    Commented Jan 10, 2022 at 11:00

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Yes, you can do this using geometry nodes. But in this case, you have to remove array modifier, mapping and beveling of the curve and re-build all of that inside GN:

enter image description here

Integer value gets frame number by driver. You can get it by typing #frame in field. Or use Blender 3.1 time node.

It might be difficult to build a round array, as in your example, use the Rotation input for that:

enter image description here

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  • $\begingroup$ i just wonder if this is also possible without trim curve - but with really "changing" the curve points... but nice solution anyway +1 $\endgroup$
    – Chris
    Commented Jan 10, 2022 at 12:06
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Suggestion by mqbaka mqbaka.

The Commotion addon is probably the best way to offset any kind of animations, this also includes Start and End Mapping in curves.

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