Version: 5.4
public ParticleSystem.ExternalForcesModule externalForces ;

説明

External Forces モジュールにアクセスします。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Start() { ParticleSystem ps = GetComponent<ParticleSystem>(); var ex = ps.externalForces; ex.enabled = true; ex.multiplier = 0.1f; } }