39、铲子的资源导入

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
public class Shovel : MonoBehaviour,IPointerClickHandler,IPointerEnterHandler,IPointerExitHandler
{private Transform shovelImg;// 是否在使用铲子中private bool isShovel;public bool IsShovel{get => isShovel;set{isShovel = value;// 需要铲除植物if (isShovel){shovelImg.localRotation = Quaternion.Euler(0,0,45);}// 把铲子放回去else{shovelImg.localRotation = Quaternion.Euler(0,0,0);shovelImg.transform.position = transform.position;}}}private void Start(){shovelImg = transform.Find("Image");}private void Update(){if (IsShovel){shovelImg.position = Input.mousePosition;// 点击鼠标左键判断是否要铲除植物if (Input.GetMouseButtonDown(0)){Grid grid = GridManager.instance.GetGridByMouse();// 如果获取网格上没有植物则returnif (grid.CurrPlantBase == null) return;// 如果鼠标离植物的距离小于1.5f，则铲除这个植物if (Vector2.Distance(Camera.main.ScreenToWorldPoint(Input.mousePosition),grid.CurrPlantBase.transform.position) < 1.5f){grid.CurrPlantBase.Dead();IsShovel = false;}}// 点击鼠标右键取消铲子选中状态if (Input.GetMouseButtonDown(1)){IsShovel = false;}}}// 鼠标进入public void OnPointerEnter(PointerEventData eventData){shovelImg.transform.localScale = new Vector2(1.4f, 1.4f);}// 鼠标退出public void OnPointerExit(PointerEventData eventData){shovelImg.transform.localScale = new Vector2(1f, 1f);}// 鼠标点击public void OnPointerClick(PointerEventData eventData){// 如果需要铲植物if (!IsShovel){IsShovel = true;}}
}

测试