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Question by Kennyist · Mar 12, 2018 at 11:27 AM · gameobjecttransformparticlesparticlesystemparticle emitter

Particles wont rotate with system or parent

I have a particle system with particles that are created via script:

 void PopulateStarsSeed()
 {
     Debug.Log("star seed");
     UnityEngine.Random.InitState(starSeed);

     ParticleSystem.Particle[] points = new ParticleSystem.Particle[maxParticals];
     particals.GetParticles(points);

     for (int i = 0; i < maxParticals; i++)
     {
         points[i].position = UnityEngine.Random.insideUnitSphere * maxStarDistance;
         points[i].startSize = UnityEngine.Random.Range(minStarSize, maxStarSize);
         points[i].startColor = Color.white;
         points[i].axisOfRotation = starContainer.transform.position;
         points[i].startLifetime = Mathf.Infinity;
         points[i].remainingLifetime = Mathf.Infinity;
     }

     particals.SetParticles(points, points.Length);
 }

These show up fine in game but they will not rotate with the game object or parent, The system is set to Local Space and the renderer: alt text

Spawning a default system and rotating it works fine, Just cannot get this system to work.

untitled.png (55.6 kB)
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Answer by ifurkend · Mar 12, 2018 at 12:25 PM

Depending on which version of Unity you are working on, but I guess axisOfRotation is already obsolete and you can instead use “rotation”.

https://docs.unity3d.com/ScriptReference/ParticleSystem.Particle.html

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