Update NPC: Nav, find Player
This commit is contained in:
8
Assets/Scenes/Cho môn AI/Only AI.meta
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8
Assets/Scenes/Cho môn AI/Only AI.meta
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Assets/Scenes/Cho môn AI/Only AI/NavMesh-NavManager.asset
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fileFormatVersion: 2
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guid: 8204ba29e85cfee47bf2cdd081e429f4
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NativeFormatImporter:
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externalObjects: {}
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mainObjectFileID: 23800000
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userData:
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assetBundleName:
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assetBundleVariant:
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.AI; // Cần thiết để dùng NavMesh
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[RequireComponent(typeof(NavMeshAgent))] // Tự động thêm component này nếu chưa có
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public class EnemyAI : MonoBehaviour
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{
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[Header("References")]
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@@ -11,6 +13,12 @@ public class EnemyAI : MonoBehaviour
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public float moveSpeed = 3f;
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public float rotateSpeed = 50f;
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[Header("Patrol Area")]
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public float patrolRadius = 15f; // Bán kính khu vực tuần tra
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public float patrolWaitTime = 2f; // Thời gian đứng chờ trước khi đi điểm khác
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private Vector3 startPosition;
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private float currentWaitTime;
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[Header("Artifact")]
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public bool playerHasArtifact;
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@@ -21,23 +29,44 @@ public class EnemyAI : MonoBehaviour
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public float maxShootDelay = 3f;
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private float nextShootTime;
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private NavMeshAgent agent;
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public Node behaviorTreeRoot;
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private void Start()
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{
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player = GameObject.FindGameObjectWithTag("Player").transform;
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agent = GetComponent<NavMeshAgent>();
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agent.speed = moveSpeed;
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// Lưu lại vị trí ban đầu để làm tâm của khu vực tuần tra
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startPosition = transform.position;
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nextShootTime = Time.time + Random.Range(minShootDelay, maxShootDelay);
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InitBehaviorTree();
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FindPlayer();
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}
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private void Update()
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{
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// Nếu mất reference (Player chết hoặc chưa spawn), liên tục tìm lại
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if (player == null)
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{
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FindPlayer();
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}
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// Chỉ chạy AI nếu đã tìm thấy player (hoặc bạn có thể cho tuần tra ngay cả khi chưa có player tùy logic game)
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behaviorTreeRoot?.Evaluate();
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}
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private void FindPlayer()
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{
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GameObject playerObj = GameObject.FindGameObjectWithTag("Player");
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if (playerObj != null)
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{
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player = playerObj.transform;
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}
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}
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private void InitBehaviorTree()
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{
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// Player có artifact -> focus + shoot
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@@ -54,14 +83,14 @@ public class EnemyAI : MonoBehaviour
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new TaskNode(ActionMoveToPlayer)
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});
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// Không thấy ai -> scan
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var scanNode = new TaskNode(ActionRotationScan);
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// Không thấy ai -> Tuần tra bằng NavMesh
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var patrolNode = new TaskNode(ActionPatrol);
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behaviorTreeRoot = new Selector(new List<Node>
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{
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laserSequence,
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chaseSequence,
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scanNode
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patrolNode
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});
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}
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@@ -69,18 +98,14 @@ public class EnemyAI : MonoBehaviour
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private NodeState CheckHasArtifact()
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{
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return playerHasArtifact
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? NodeState.Success
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: NodeState.Failure;
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return playerHasArtifact ? NodeState.Success : NodeState.Failure;
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}
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private NodeState CheckCanSeePlayer()
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{
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if (player == null)
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return NodeState.Failure;
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if (player == null) return NodeState.Failure;
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float distance =
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Vector3.Distance(transform.position, player.position);
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float distance = Vector3.Distance(transform.position, player.position);
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if (distance <= detectRange)
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{
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@@ -94,66 +119,74 @@ public class EnemyAI : MonoBehaviour
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#region ACTIONS
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private NodeState ActionRotationScan()
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private NodeState ActionPatrol()
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{
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Debug.Log("Scanning...");
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Debug.Log("Patrolling...");
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agent.isStopped = false; // Đảm bảo NPC được phép di chuyển
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agent.speed = moveSpeed * 0.5f; // Đi dạo nên đi chậm lại một chút
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transform.Rotate(
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Vector3.up,
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rotateSpeed * Time.deltaTime);
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// Kiểm tra xem NPC đã đến điểm đích chưa
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if (!agent.pathPending && agent.remainingDistance <= agent.stoppingDistance)
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{
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currentWaitTime += Time.deltaTime;
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// Chờ một lúc rồi mới chọn điểm mới
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if (currentWaitTime >= patrolWaitTime)
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{
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// Tìm một điểm ngẫu nhiên trong bán kính cho trước
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Vector3 randomDirection = Random.insideUnitSphere * patrolRadius;
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randomDirection += startPosition;
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NavMeshHit hit;
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// Đảm bảo điểm ngẫu nhiên nằm trên bề mặt NavMesh hợp lệ
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if (NavMesh.SamplePosition(randomDirection, out hit, patrolRadius, 1))
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{
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agent.SetDestination(hit.position);
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}
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currentWaitTime = 0f;
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}
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}
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return NodeState.Running;
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}
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private NodeState ActionMoveToPlayer()
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{
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if (player == null)
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return NodeState.Failure;
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if (player == null) return NodeState.Failure;
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Debug.Log("Chasing Player");
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Vector3 dir =
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(player.position - transform.position).normalized;
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transform.position +=
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dir *
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moveSpeed *
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Time.deltaTime;
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agent.isStopped = false;
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agent.speed = moveSpeed; // Phục hồi tốc độ rượt đuổi
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agent.SetDestination(player.position);
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return NodeState.Running;
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}
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private NodeState ActionFocusAndShoot()
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{
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if (player == null)
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return NodeState.Failure;
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if (player == null) return NodeState.Failure;
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Debug.Log("Focus and Shoot!");
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// Dừng NavMeshAgent lại để đứng bắn, tránh bị trượt
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agent.isStopped = true;
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// Focus player
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Vector3 dir =
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player.position - transform.position;
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Vector3 dir = player.position - transform.position;
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dir.y = 0f;
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if (dir != Vector3.zero)
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{
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Quaternion targetRotation =
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Quaternion.LookRotation(dir);
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transform.rotation =
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Quaternion.Slerp(
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transform.rotation,
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targetRotation,
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5f * Time.deltaTime);
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Quaternion targetRotation = Quaternion.LookRotation(dir);
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transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, rotateSpeed * Time.deltaTime);
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}
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// Shoot with random delay
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if (Time.time >= nextShootTime)
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{
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ShootLaser();
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nextShootTime =
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Time.time +
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Random.Range(minShootDelay, maxShootDelay);
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nextShootTime = Time.time + Random.Range(minShootDelay, maxShootDelay);
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}
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return NodeState.Running;
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@@ -161,14 +194,8 @@ public class EnemyAI : MonoBehaviour
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private void ShootLaser()
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{
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if (laserPrefab == null || firePoint == null)
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return;
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Instantiate(
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laserPrefab,
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firePoint.position,
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firePoint.rotation);
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if (laserPrefab == null || firePoint == null) return;
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Instantiate(laserPrefab, firePoint.position, firePoint.rotation);
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Debug.Log("Laser Shot!");
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}
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@@ -69,9 +69,9 @@ NavMeshProjectSettings:
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cost: 1
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- name:
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cost: 1
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m_LastAgentTypeID: -887442657
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m_LastAgentTypeID: -334000983
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m_Settings:
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- serializedVersion: 2
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- serializedVersion: 3
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agentTypeID: 0
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agentRadius: 0.5
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agentHeight: 2
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@@ -84,7 +84,9 @@ NavMeshProjectSettings:
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cellSize: 0.16666667
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manualTileSize: 0
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tileSize: 256
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accuratePlacement: 0
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buildHeightMesh: 0
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maxJobWorkers: 0
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preserveTilesOutsideBounds: 0
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debug:
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m_Flags: 0
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m_SettingNames:
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Reference in New Issue
Block a user