107 lines
3.2 KiB
C#
107 lines
3.2 KiB
C#
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/* This file is part of the "NavMesh Extension" project by Rebound Games.
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* You are only allowed to use these resources if you've bought them directly or indirectly
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* from Rebound Games. You shall not license, sublicense, sell, resell, transfer, assign,
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* distribute or otherwise make available to any third party the Service or the Content.
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*/
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using NavMeshExtension;
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/// <summary>
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/// Example integration of NavMesh Agents with portal behavior.
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/// <summary>
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[RequireComponent(typeof(UnityEngine.AI.NavMeshAgent))]
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public class AgentController : MonoBehaviour
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{
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/// <summary>
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/// Target destination object, set by mouse input.
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/// <summary>
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public GameObject pointer;
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//reference to pointer object
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private static GameObject pointerObj;
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//reference to agent
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private UnityEngine.AI.NavMeshAgent agent;
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//resulting path from the PortalManager call
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private Vector3[] path;
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//get components
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void Start()
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{
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if(!pointerObj)
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pointerObj = (GameObject)Instantiate(pointer, transform.position, Quaternion.identity);
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agent = GetComponent<UnityEngine.AI.NavMeshAgent>();
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}
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//check for mouse input
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void Update()
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{
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RaycastHit hit;
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//on left mouse button down
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if (Input.GetMouseButtonDown(0))
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{
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Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
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//the mouse ray has hit a collider in the scene
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if (Physics.Raycast(ray, out hit))
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{
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//reposition pointer object to the hit point
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pointerObj.transform.position = hit.point;
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//construct path:
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//starting at the current gameobject position
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//ending at the position of the pointer object
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path = PortalManager.GetPath(transform.position, pointerObj.transform.position);
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//stop existing movement routines
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StopAllCoroutines();
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//start new agent movement to the destination
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StartCoroutine(GoToDestination());
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}
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}
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}
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//loops over path positions, sets the
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//current target destination of this agent
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IEnumerator GoToDestination()
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{
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//path index
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int i = 0;
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//iterate over all positions
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while(i < path.Length)
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{
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//teleport to the current position
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agent.Warp(path[i]);
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i++;
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//walk to the next position
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agent.SetDestination(path[i]);
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while (agent.pathPending)
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yield return null;
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//wait until we reached this position
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float remain = agent.remainingDistance;
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while (remain == Mathf.Infinity || remain - agent.stoppingDistance > float.Epsilon
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|| agent.pathStatus != UnityEngine.AI.NavMeshPathStatus.PathComplete)
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{
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remain = agent.remainingDistance;
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yield return null;
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}
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//increase counter
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i++;
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}
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//agent reached the final destination
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agent.Stop(true);
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}
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}
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