Version: 2018.4
  • C#


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public void SetMode(ParticleSystemCustomData stream, ParticleSystemCustomDataMode mode);


stream The name of the custom data stream to enable data generation on.
mode The type of data to generate.


Choose the type of custom data to generate for the chosen data stream.

using UnityEngine;
using System.Collections;

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

Gradient grad = new Gradient(); grad.SetKeys(new GradientColorKey[] { new GradientColorKey(, 0.0f), new GradientColorKey(, 1.0f) }, new GradientAlphaKey[] { new GradientAlphaKey(1.0f, 0.0f), new GradientAlphaKey(0.0f, 1.0f) });

customData.SetMode(ParticleSystemCustomData.Custom1, ParticleSystemCustomDataMode.Color); customData.SetColor(ParticleSystemCustomData.Custom1, grad);

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

customData.SetMode(ParticleSystemCustomData.Custom2, ParticleSystemCustomDataMode.Vector); customData.SetVectorComponentCount(ParticleSystemCustomData.Custom2, 1); customData.SetVector(ParticleSystemCustomData.Custom2, 0, new ParticleSystem.MinMaxCurve(1.0f, curve)); } }