ActionTowerDefense/ActionTowerDefense/Assets/Scripts/Platform.cs

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

public class Platform : MonoBehaviour
{
    public Rigidbody rb;
    public List<Foot> feet = new List<Foot>();
    public bool TrigFeet
    {
        get
        {
            return feet.Count > 0;
        }
    }
    public float edgeDistance;

    public bool canDown;
    public BaGuaTrigger myBaGuaTrigger;                                  //×Ô¼º
    public List<BaGuaTrigger> baGuaTrigger = new List<BaGuaTrigger>();   //Í·¶¥µÄ°ËØÔÅÖ×Ó

    private void OnTriggerEnter(Collider other)
    {
        
        Foot foot = other.GetComponent<Foot>();
        if (foot != null && foot.transform.parent.gameObject.layer != 8 && !foot.notOnGiant)
        {
            if (Mathf.Abs(foot.transform.position.x - transform.position.x) > edgeDistance)
            {
                return;
            }
            if(!foot.trigGroundList.Exists(t=>t == gameObject))
            {
                foot.trigGroundList.Add(gameObject);
            }
            feet.Add(foot);
            if (foot.myBaGuaTrigger != null)
            {
                foot.baGuaTrigger.Add(myBaGuaTrigger);
                baGuaTrigger.Add(foot.myBaGuaTrigger);
            }
        }
    }
    private void OnTriggerExit(Collider other)
    {
        Foot foot = other.GetComponent<Foot>();
        if(foot != null && foot.transform.parent.gameObject.layer != 8)
        {
            if(foot.trigGroundList.Exists(i =>i == gameObject))
            {
                foot.trigGroundList.Remove(gameObject);
                if(foot.baGuaTrigger.Exists(i =>i == myBaGuaTrigger))
                {
                    foot.baGuaTrigger.Remove(myBaGuaTrigger);
                }
            }
            if(feet.Exists(i => i == foot))
            {
                feet.Remove(foot);
                if(baGuaTrigger.Exists(i => i == foot.myBaGuaTrigger))
                {
                    baGuaTrigger.Remove(foot.myBaGuaTrigger);
                }
            }
        }
    }
    private void OnDisable()
    {
        foreach(Foot i in feet)
        {
            if(i.trigGroundList.Exists(a => a == gameObject))
            {
                i.trigGroundList.Remove(gameObject);
                if(i.baGuaTrigger.Exists(a =>a == myBaGuaTrigger))
                {
                    i.baGuaTrigger.Remove(myBaGuaTrigger);
                }
            }
        }
    }
}