Size Over 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 sz = ps.sizeOverLifetime; sz.enabled = true;
AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.1f); curve.AddKey(0.75f, 1.0f);
sz.size = new ParticleSystem.MinMaxCurve(1.5f, curve); } }