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Billboarding particles

  • Hi Ralph! 

    Can you explain a bit more or provide visual example of what you mean by "particles to billboard"?

    By default, each particles should always face the camera. Is this not what you experience?



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  • Nope, not for me. Especially if you try and rotate the particles--perhaps that breaks it? Is there any way to rotate camera-facing particles about their camera facing axis?

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  • Hello,

    I would also like to know how to have particles face the camera (I use flipbook textures).
    I have "Device Tracking" set to "Rotation" (the gyroscope behaviour I need)

    Unfortunately, particles do not face the camera.



    EDIT : I found that at creation time, particles correctly face the camera, but when they move they don't update their orientation to keep facing the camera. So, currently it only works ok if you set particles speed to zero.

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  • Hi Ralph and One More Admin,

    Thank you for bringing this up! We found that although particles face camera when using device tracking "surface," it does not continue to face camera when using device tracking "rotation". We've filed a ticket to make this fix for the next release. 

    If this is not what you mean, can you share a sample project to get on the same page?

    Thanks in advance!


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  • Thank you Jonathan.


    Is there any way to get the correct behavior, before the new release ?

    I don't find any way to script the particles to achieve this.




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  • Hi One More Admin,

    You're correct, since the particle system doesn't use a standard object for each particle, a script won't really help.

    If you don't have a lot of particles, you can consider instantiating objects using copySceneObject where you can then add a Look At component in the Inspector panel to have it always face the camera. 

    We filed the issue which should be available in the next release. We appreciate your patience as we work to fix this.

    Thanks again!


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  • Thanks Jonathan.


    I tried to access the copySceneObject link you provided.

    When requested I entered my Google account, then I got this message : "Internal Server Error".

    Does your link contain the same stuff as this one ? :


    >> If you don't have a lot of particles

    Well, we need almost 1000 particles, so it would be too much.

    Do you know when the new release will be available ?




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  • Hi One More Admin,

    You are right! Good catch :)

    Ah gotcha. When are you hoping to have it by? The task is in and we have someone working on it right now. 

    Thanks again for your understanding,


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  • >> When are you hoping to have it by ?

    A release yesterday would have been nice ;-)


    Today our client decided to change the project to not use particles, because it's too risky to wait for a bug-fix, they want to be sure it will work as expected.

    In 2 weeks from now we will start a new project, it will use particles if the bug is fixed.


    Thanks Jon !


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  • Hey, has this been fixed? I am struggling to get billboard particles to face the camera.

    I'm using the snow preset particles. Have latest version too.


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  • Hi Ralph, Mike, 

    Please try the latest version of Lens Studio released a couple days ago: 

    It should be fixed! You will need to create a new material to get the fix:


    Can't wait to see more cool things from you both!




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