Is anyone having having problems with distance based particle systems in 5.2?

Hey guys,

I’m having a problem with the particle system now that I’ve updated to Unity 5.2 and can’t for the life of me work out what’s going on. Everything was working before I updated, no problems. The particle system I have is attached to the player in a 2D environment and the emission is distance based so the faster I move, the more particles fly out of my arse.

I load the scene up and position the player where I want him in the world. This causes a big particle trail to fly from the spawn point to where I move the player. That’s not what I want but it happened in the old version as well so I’ve learned to live with that for now. I tried disabling the particle system, moving the player, then re-enabling but alas it still generates a blazing trail of madness every time.

It used to end there and then work fine. Now with 5.2 if I don’t move the player with the keyboard or controller, every half a second (approx) a new particle trail blasts from the 0,0 position to my player. Then if I move the player, the particle trail acts normally until I stop. The particle system then continues to blast particles out like they’re going out of fashion on my stationary player.

I read that there were some changes to the particle systems in 5.2 to do with the simulation space… but I don’t see how this would make it think it’s moving when it’s not.

TL;DR - Since the 5.2 update, my distance based particle system is emitting even when the player is stationary.

Cheers,
Chris.

Hey. The 5.2 patch should be out shortly and contains some particle fixes for this issue. If it does not fix the problem then please report it as a bug.