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4.20 Niagara Why I can't dynamic change skeletal mesh in blueprint or C++?

alt text

I can dynamic change float value,vector2D value by set Niagara variable(float/vector2D) interface

but how to dynamic change skeletal mesh souce??????

is this a bug??????

Product Version: UE 4.20
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asked Jul 27 '18 at 03:14 AM in Using UE4

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neungames
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avatar image neungames Jul 30 '18 at 02:04 AM

Is there anybody help?

avatar image gonzamancg Jul 30 '18 at 05:27 AM

Yeah I'm trying to do the same thing, but I simply don't have access to Niagara mesh parameters via BP, therefore I can't change anything. Maybe it's intended to work in some other way?

avatar image thewarsjjk Jul 31 '18 at 12:23 AM

Hello, I'm sorry to ask you another question. I'm trying to make particles spawn on the skeletal mesh surface. I used sample skeletal mesh and skeletal mesh location in niagara but it's not working. It seems that your niagara particles spawn on skeletal mesh well. Could you give me any information about skeletal mesh particles? Thank you.

avatar image Flash7 Sep 04 '18 at 03:16 PM

Has anyone found a solution how to change a skeletal mesh dynamically?

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2 answers: sort voted first

https://niagara-vfx.herokuapp.com/meshes-and-skinned-mesh-data-interfaces-source-data/

Take a look at the attachment option listed on that page.

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answered Sep 26 '18 at 03:29 PM

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Shaun Kime STAFF
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avatar image Gilben Dec 20 '18 at 08:35 PM

This site has the correct answer. For myself, I just had to set the mesh in the system and then when I attached it to the same mesh in the actor it worked with animations at runtime

avatar image shaq_mobile Jan 24 '19 at 12:38 AM

While that site is awesome and has a lot of good information, it doesn't specifically cover how to set actors or meshes as parameters dynamically during gameplay. It does explain the three static methods.

Is it possible to set a mesh dynamically through BP or C++ as a parameter?

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Setting the mesh dynamically at runtime is not currently supported. We are actively developing a feature which would allow modifying data interface user parameters at runtime which will enable this workflow. Currently it's expected to be in the 4.23 release, but should be available sooner in source builds.

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answered Jan 24 '19 at 01:54 PM

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Frank Fella STAFF
81 3 2 7

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