52 lines
1.6 KiB
C#
52 lines
1.6 KiB
C#
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using System.Collections;
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using UnityEngine;
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public class FieldOfView : MonoBehaviour
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{
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[Range(0, 360)]
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public float viewAngle = 90f;
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public float viewRadius = 20f;
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public LayerMask obstacleLayerMask;
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public LayerMask targetLayerMask;
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[HideInInspector] public bool canSeePlayer = false;
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[HideInInspector] public Vector3 lastKnownPlayerPosition;
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void Start()
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{
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StartCoroutine(FindTargetWithDelay(0.1f));
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}
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IEnumerator FindTargetWithDelay(float delay)
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{
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while (true)
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{
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yield return new WaitForSeconds(delay);
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FindVisibleTargets();
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}
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}
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private void FindVisibleTargets()
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{
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canSeePlayer = false;
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var colliders = Physics.OverlapSphere(transform.position, viewRadius, targetLayerMask);
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for (int i = 0; i < colliders.Length; i++)
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{
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var target = colliders[i].transform;
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var direction = (target.position - transform.position).normalized;
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var angle = Vector3.Angle(transform.forward, direction);
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if (angle < viewAngle / 2)
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{
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float distanceToTarget = Vector3.Distance(transform.position, target.position);
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if (!Physics.Raycast(transform.position, direction, distanceToTarget, obstacleLayerMask))
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{
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canSeePlayer = true;
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lastKnownPlayerPosition = target.position;
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Debug.DrawLine(transform.position, target.position, Color.blue, 1f);
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}
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}
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}
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}
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}
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