小编Mis*_*sty的帖子

我正在尝试制作一个脚本，以便在按下按钮时粒子系统会更改为某种颜色，除了更改粒子颜色之外，它一切正常，当我尝试时会出现以下错误：

NullReferenceException：不要创建自己的模块实例，而是从 ParticleSystem 实例获取它们

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Attack : MonoBehaviour
{
    public int MovementDirection = 0;
    public int State = 0;

    public GameObject attackOrb; //The prefab for our attack hitbox
    public Transform Player;        //Where the player is

    public float R = 0.0F;
    public float G = 0.0F;
    public float B = 0.0F;
    public float A = 1.0F;

    private ParticleSystem attackEffect;

    // Start is called before the first frame update
    void Start()
    {
        attackEffect = gameObject.GetComponent<ParticleSystem>(); …