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Particle System feature request: emission along splines

Discussion in 'General Graphics' started by fastgamedev, Jul 11, 2018.

  1. fastgamedev

    fastgamedev

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    Question for Unity particles development team:

    Are there any plans in the near future to add particles emitted along splines? It's a common use case, and I would rather not roll my own if you guys are developing one already.

    Thanks!
     
    fastgamedev, Jul 11, 2018
    #1

  2. karl_jones

    karl_jones

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    No not at the moment. For that we would need a good spline system in Unity and we don't currently have one. You can create some spline effects using the shape module in 2018.3 with a mesh and emit along vertices(see our Unite Europe talk when it comes out).
     
    karl_jones, Jul 11, 2018
    #2

  3. fastgamedev

    fastgamedev

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    Ok, thank you, Karl.
     
    fastgamedev, Jul 11, 2018
    #3
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  4. karl_jones

    karl_jones

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    This is what I was referring to
     
    karl_jones, Jul 11, 2018
    #4
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  5. Lars-Steenhoff

    Lars-Steenhoff

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    Lars-Steenhoff, Jul 11, 2018
    #5

  6. karl_jones

    karl_jones

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    The
    There are several spline systems scattered throughout unity
    We did a hackweek a few weeks ago to try and create a uniform system but it's quite a bit of work so won't be happening anytime soon. Also the 2d system is in c# and for particles it would need to be in the core in c++.

     
    karl_jones, Jul 11, 2018
    #6
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  7. Lars-Steenhoff

    Lars-Steenhoff

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    Cool results!
    and the roundtripping is pretty nice!
     
    Lars-Steenhoff, Jul 11, 2018
    #7
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  8. Kareeem

    Kareeem

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    @karl_jones

    Hey there, as soon as I select a mesh for my shape the option of sequence emitting ( loop etc ) disappears. Any idea?
     

    Attached Files:

    Kareeem, Nov 21, 2018
    #8

  9. richardkettlewell

    richardkettlewell

    Unity Technologies

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    What version? Sequenced mesh emission is coming in Unity 2018.3 :)
     
    richardkettlewell, Nov 21, 2018
    #9
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  10. Kareeem

    Kareeem

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    Oh I see, we are working with 2018.2. The mentioned talk posted above wasnt totally clear on that. At least tomy knowledge. Thanks for the quick response though!
     
    Kareeem, Nov 21, 2018
    #10
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  11. Torbach78

    Torbach78

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    Greetings,

    From collective artistic pov such an ideal & comprehensive procedural spline geo system is also a line renderer, trail renderer and ribbon all leverage-able through particle systems with world based UV option too :)

    as for the ability to input a spline as shape emitter we could expect parameters such as a pan-able image, U or V space, vertex number and also leverage the random/,burst, loop and ping-pong features seen in the included primitives.

    /cheers
     
    Torbach78, Nov 22, 2018
    #11

  12. liquify

    liquify

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    Can we make the particles made with the VFX Graph move along a spline?
     
    liquify, Jan 21, 2019
    #12

  13. Bahmann

    Bahmann

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    Not that I know of. Need this Feature really badly
     
    Bahmann, Jun 19, 2019
    #13