61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
|
using UnityEngine;
|
|||
|
|
using System;
|
|||
|
|
using System.Collections;
|
|||
|
|
|
|||
|
|
namespace Com.LuisPedroFonseca.ProCamera2D.TopDownShooter
|
|||
|
|
{
|
|||
|
|
public class EnemySight : MonoBehaviour
|
|||
|
|
{
|
|||
|
|
public Action<Transform> OnPlayerInSight;
|
|||
|
|
public Action OnPlayerOutOfSight;
|
|||
|
|
|
|||
|
|
public float RefreshRate = 1f;
|
|||
|
|
public float fieldOfViewAngle = 110f;
|
|||
|
|
public float ViewDistance = 30f;
|
|||
|
|
public bool playerInSight;
|
|||
|
|
public Transform player;
|
|||
|
|
|
|||
|
|
public LayerMask LayerMask;
|
|||
|
|
|
|||
|
|
RaycastHit _hit;
|
|||
|
|
|
|||
|
|
void Awake()
|
|||
|
|
{
|
|||
|
|
RefreshRate += UnityEngine.Random.Range(-RefreshRate * .2f, RefreshRate * .2f);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
IEnumerator Start()
|
|||
|
|
{
|
|||
|
|
while (true)
|
|||
|
|
{
|
|||
|
|
Vector3 direction = player.position - transform.position;
|
|||
|
|
float angle = Vector3.Angle(direction, transform.forward);
|
|||
|
|
|
|||
|
|
if (angle < fieldOfViewAngle * 0.5f &&
|
|||
|
|
Physics.Raycast(transform.position + transform.up, direction.normalized, out _hit, ViewDistance, LayerMask) &&
|
|||
|
|
_hit.collider.transform.GetInstanceID() == player.GetInstanceID())
|
|||
|
|
{
|
|||
|
|
if (!playerInSight)
|
|||
|
|
{
|
|||
|
|
playerInSight = true;
|
|||
|
|
|
|||
|
|
if (OnPlayerInSight != null)
|
|||
|
|
OnPlayerInSight(_hit.collider.transform);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (playerInSight)
|
|||
|
|
{
|
|||
|
|
playerInSight = false;
|
|||
|
|
|
|||
|
|
if (OnPlayerOutOfSight != null)
|
|||
|
|
OnPlayerOutOfSight();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
yield return new WaitForSeconds(RefreshRate);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|