Version: 2017.1
public void SetVectorComponentCount (ParticleSystemCustomData stream, int count);


stream The name of the custom data stream to apply the curve to.
curveCount The number of curves to generate data for.


Specify how many curves are used to generate custom data for this stream.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Start() { ParticleSystem ps = GetComponent<ParticleSystem>(); var customData = ps.customData; customData.enabled = true;

AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.0f); curve.AddKey(1.0f, 1.0f);

customData.SetMode(ParticleSystemCustomData.Custom1, ParticleSystemCustomDataMode.Vector); customData.SetVectorComponentCount(ParticleSystemCustomData.Custom1, 1); customData.SetVector(ParticleSystemCustomData.Custom1, 0, new ParticleSystem.MinMaxCurve(1.0f, curve)); } }