Velocity ver Lifetime 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 vel = ps.velocityOverLifetime; vel.enabled = true; vel.space = ParticleSystemSimulationSpace.Local;
AnimationCurve curve = new AnimationCurve(); curve.AddKey( 0.0f, 1.0f ); curve.AddKey( 1.0f, 0.0f ); vel.x = new ParticleSystem.MinMaxCurve(10.0f, curve); } }