Scriptum/Assets/Scripts/Enemies' Scprits/FollowingEnemy.cs

155 lines
3.9 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class FollowingEnemy : Enemy
{
public Transform target;
public float chaseRadius;
public float attackRadius;
public Transform homePosition;
public float roundingDistance;
private Rigidbody2D myRigidbody;
public Animator anim;
public GameObject other;
public bool inRange = false;
public bool hit = false;
public GameObject player;
private bool firstAttack = false;
private float timerDmg = 0f;
private float waitTime = 1.0f;
private float timerHit = 0f;
private float hitWaitTime = 0.55f;
public float thrust;
public float knockTime;
// Start is called before the first frame update
void Start()
{
myRigidbody = GetComponent<Rigidbody2D>();
anim = GetComponent<Animator>();
target = GameObject.FindWithTag("Player").transform;
}
// Update is called once per frame
void Update()
{
CheckDistance();
//StartCoroutine(Timer());
//Code below is for dealing damage to player
if (inRange == true)
{
if (firstAttack == false)
{
if (timerDmg >= 0.15f)
{
firstAttack = true;
other.GetComponent<Player>().TakeDamage(baseAttack);
timerDmg = 0f;
}
}
if (timerDmg >= waitTime)
{
timerDmg = 0f;
other.GetComponent<Player>().TakeDamage(baseAttack);
}
timerDmg += Time.deltaTime;
}
timerHit += Time.deltaTime;
if(hit == true)
{
if(timerHit >= hitWaitTime)
{
TakeDamage(1.0f);
hit = false;
timerHit = 0f;
TakeKnockback();
}
}
}
void CheckDistance()
{
if(Vector3.Distance(target.position, transform.position) <= chaseRadius && Vector3.Distance(target.position, transform.position) > attackRadius)
{
transform.position = Vector3.MoveTowards(transform.position, target.position, moveSpeed * Time.deltaTime);
}
}
void OnTriggerEnter2D(Collider2D collision)
{
///For attacking player
if (collision.tag == "PlayerHitbox")
{
inRange = true;
firstAttack = false;
}
if (collision.tag == "AttackHitbox")
{
hit = true;
}
}
void OnTriggerStay2D(Collider2D collision)
{
///For attacking player
if (collision.tag == "PlayerHitbox")
{
inRange = true;
}
}
void OnTriggerExit2D(Collider2D collision)
{
///For attacking player
inRange = false;
timerDmg = 0f;
hit = false;
}
public void TakeDamage(float damage)
{
health = health - damage;
if (health <= 0)
{
gameObject.SetActive(false);
}
}
public void TakeKnockback()
{
Rigidbody2D enemy = gameObject.GetComponent<Rigidbody2D>();
Rigidbody2D player = other.GetComponent<Rigidbody2D>();
if (enemy != null)
{
enemy.isKinematic = false;
Vector2 difference = enemy.transform.position - player.transform.position;
difference = difference.normalized * thrust;
enemy.AddForce(difference, ForceMode2D.Impulse);
StartCoroutine(KnockCo(enemy));
}
}
private IEnumerator KnockCo(Rigidbody2D enemy)
{
if (enemy != null)
{
yield return new WaitForSeconds(knockTime);
enemy.velocity = Vector2.zero;
enemy.isKinematic = true;
}
}
}