Particle System Particles disappear when game object transform is off screen

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I am experimenting with using particle systems in Unity5.

The problem is that all of the particles disappear when the particle system's origin point is off the screen. (i.e. a frustum culling issue).

I've tried a lot of the other recommendations but none of them seem to work. (e.g. setting the scale of the transform to 1, turning sub-emitters on, etc.) I've also tried inserting meshes and skinned meshes and then editing the bounds manually, but this also didn't seem to work.

Any other ideas?

Answer 1

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Answer by popupAsylum · Jun 08, 2015 at 07:50 AM

Maybe you could move the particle systems transform in front of the camera, if the simulation is worldspace

What kind of effect are you trying to achieve?

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shongololo · Jun 11, 2015 at 07:53 AM 0

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@popupAsylum my dilemma is that the camera moves and turns around often, and if I were to dynamically move the particle system transform then this would rapidly become complicated because I'd want the particles to stay in the same place, so I would have to recompute the effective position of the particles for every camera movement. Or is there a simple way? Thanks.

popupAsylum · Jun 11, 2015 at 08:44 AM 1

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In the Particle System inspector there's a dropdown for simulation space, if that's set to world space any particles that have already been emitted will keep their position even if the transform moves.

Sirhaian popupAsylum · Jan 21, 2016 at 01:13 PM 0

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Huge thanks! I've been searching for a solution for this, and it's working. o/ But what if I have to use local-space particles, though?

shongololo · Jun 16, 2015 at 03:18 PM 0

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This ended up working nicely. Thanks!

Answer 2

Answer by applemaniac · Jun 08, 2015 at 09:09 AM

It may be because of the render options. Try it out of the Editor, in different quality settings, it may work.

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shongololo · Jun 11, 2015 at 07:54 AM 0

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@applemaniac not sure I understand by trying it out of the editor? As in making an app and seeing what happens?

applemaniac · Jun 11, 2015 at 09:10 AM 0

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yes, i meant that

Particle System Particles disappear when game object transform is off screen

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