Unity 粒子sizeOverLifetime修改

    void Start() {
        ParticleSystem lz = GetComponent();
        var sz = lz.sizeOverLifetime;
        

        AnimationCurve curve = new AnimationCurve();
        curve.AddKey(0.0f, 0.1f);
        curve.AddKey(0.1f, 0.5f);

        sz.size = new ParticleSystem.MinMaxCurve(1.5f, curve);
    }