102 lines
2.9 KiB
C#
102 lines
2.9 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class AStarPathfindingAgent : MonoBehaviour
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{
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public float speed = 0.5f;
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private NodeMap Map;
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private Pathfinding Pathfinder;
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public Node currentPosition;
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public bool isChasing;
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private Animator myAnim;
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public List<Node> path;
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// Start is called before the first frame update
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private void Awake()
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{
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Map = FindObjectOfType<NodeMap>();
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Pathfinder = FindObjectOfType<Pathfinding>();
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}
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void Start()
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{
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currentPosition = Map.NodeFromWorldPoint(new Vector2(transform.position.x, transform.position.y));
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//Debug.Log("current world position:" + currentPosition.worldPosition + " current transform position:" + transform.position);
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Map.TeleportTo(this.gameObject, currentPosition);
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}
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// Update is called once per frame
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void Update()
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{
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}
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public void FindPath()
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{
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Pathfinder.FindPath(transform.position,Pathfinder.Player.position, this);
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}
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public IEnumerator FollowPath()
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{
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myAnim = GetComponent<Animator>();
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myAnim.SetBool("isChasing", true);
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myAnim.SetBool("left", false);
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int targetIndex = 0;
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if (path == null || path.Count == 0)
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{
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isChasing = false;
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myAnim.SetBool("isChasing", false);
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yield break;
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}
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Vector3 currentWorldPosition;
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Node currentWaypoint = path[targetIndex];
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while (true)
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{
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currentWorldPosition = transform.position;
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//if (transform.position == currentWaypoint.worldPosition)
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if (Vector3.Distance(transform.position, currentWaypoint.worldPosition)<0.01f)
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{
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targetIndex++;
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bool reachedPosition = targetIndex >= path.Count;
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if (reachedPosition)
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{
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myAnim.SetBool("isChasing", false);
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yield break;
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}
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currentWaypoint = path[targetIndex];
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}
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Vector3 current = transform.position;
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Vector3 target = currentWaypoint.worldPosition;
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if (Pathfinder.Player.position.x < current.x)
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{
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myAnim.SetBool("Left", true);
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}
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if (Pathfinder.Player.position.x >= current.x)
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{
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myAnim.SetBool("Left", false);
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}
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transform.position = Vector3.MoveTowards(current, target, speed * Time.deltaTime);
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yield return null;
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}
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}
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public void OnDrawGizmos()
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{
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Gizmos.color = Color.red;
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Gizmos.DrawCube(currentPosition.worldPosition, Vector3.one);
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Gizmos.color = Color.black;
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if (path == null) return;
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foreach (var n in path)
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{
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Gizmos.DrawCube(n.worldPosition, Vector3.one);
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}
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}
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} |