ParticleSystem interpolates position when moved and off

Question

I want to start a particlesystem, move it as it runs, turn it off, move it more, then repeat. However, when I turn it off, move it, and turn it back on, it draws particles along a line between the current point and its last position.

 pSystem.Stop();
 
 //frames pass
 
 pSystem.transform.position += new Vector3(0, 10, 0);
 pSystem.Play();

On the next frame, the particles appear from the old position to the new one. Is there a setting to disable this?

Answer 1

Best Answer

Answer by Babagazeus · Sep 28, 2012 at 03:53 PM

I worked around this by using the ParticleSystem.enableEmission property. So after calling Play, I disable emissions:

             pSystem.Play ();
             pSystem.enableEmission = false;

On the next frame, I re-enable emissions. That way the ParticleSystem position interpolation logic runs while emissions is disabled. Thus, no particles appear.

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ParticleSystem interpolates position when moved and off

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