sked/Assets/Script/Character/HitCheck_Particle.cs

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

public class HitCheck_Particle : ResourcePool
{
    System.Action<Vector3> OnCreate;
    public void OnInitialized(Character owner, System.Action<Vector3> onCreate)
    {
        OnCreate = onCreate;
    }
    [Space(10)]
    public ParticleSystem part;
    public float offset = 0.01f;
    private List<ParticleCollisionEvent> collisionEvents = new List<ParticleCollisionEvent>();
    void OnParticleCollision(GameObject other)
    {
        int numCollisionEvents = part.GetCollisionEvents(other, collisionEvents);
        for (int i = 0; i < numCollisionEvents; i++)
        {
            Vector3 pos = collisionEvents[i].intersection + collisionEvents[i].normal;
            pos.y = offset;
            OnCreate(pos);
        }
    }
}