유니티 2d 적 따라오기 - yuniti 2d jeog ttalaogi

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using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class test : MonoBehaviour {

int countSmallCube;

private void Start()

{

countSmallCube = 0;

}

private void OnTriggerEnter(Collider col)

{

if (col.tag == "SmallCube")

{

countSmallCube++;

// 1번째만 메인 오브젝트를 따라가고 다음부터 작은 오브젝트만 따라가게 string 타켓네임을 바꾼다.

if (countSmallCube > 1) col.GetComponent<SmallCube>()._targetName = "SmallCube" + (countSmallCube - 1).ToString();

// 오브젝트의 태그명을 바꿈

col.gameObject.tag = "SmallCube" + countSmallCube.ToString();

col.GetComponent<SmallCube>().TargetFind();

col.GetComponent<SmallCube>()._touch = true;

}

}

}

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using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class SmallCube : MonoBehaviour {

public string _targetName = "Cube";

Transform _target;

public bool _touch = false;

private float dampSpeed = 3;  // 따라가는 속도

// Update is called once per frame

void Update () {

if (_touch == true) FollowTarget();

}

public void TargetFind()

{

// 타겟 string을 바꿈

_target = GameObject.FindGameObjectWithTag(_targetName).GetComponent<Transform>();

}

void FollowTarget()

{

// Gets a vector that points from the player's position to the target's.

var heading = _target.position - this.transform.position;

// 거리가 멀어지면 실행

if (heading.sqrMagnitude > 1)

{

// Target is within range.

transform.position = Vector3.Lerp(transform.position, _target.position, Time.deltaTime * dampSpeed);

}

// 방향을 봄

transform.LookAt(_target);

}

}