Access the particle system rotation by speed module.
Particle system modules do not need to be reassigned back to the system; they are interfaces and not independent objects.
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { void Start() { ParticleSystem ps = GetComponent<ParticleSystem>(); var rot = ps.rotationBySpeed; rot.enabled = true;
AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.1f); curve.AddKey(0.75f, 0.6f);
AnimationCurve curve2 = new AnimationCurve(); curve2.AddKey(0.0f, 0.2f); curve2.AddKey(0.5f, 0.9f);
rot.z = new ParticleSystem.MinMaxCurve(2.0f, curve, curve2); } }
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