Version: 2022.3
语言: 中文

NavMeshAgent.CompleteOffMeshLink

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public void CompleteOffMeshLink ();

描述

完成在当前 OffMeshLink 上的移动。

代理将移动到当前 OffMeshLink 另一端上最近的有效导航网格位置。

除非代理在 OffMeshLink 上，否则 CompleteOffMeshLink 将不起作用（另请参阅：isOnOffMeshLink）。

当 autoTraverseOffMeshLink 被禁用时，代理会在网格外链接处暂停，直到此函数被调用为止。 此函数可用于跨越 OffMeshLink 实现自定义移动。 

using UnityEngine;
using UnityEngine.AI;
using System.Collections;

public enum OffMeshLinkMoveMethod
{
    Teleport,
    NormalSpeed,
    Parabola
}

[RequireComponent(typeof(NavMeshAgent))]
public class AgentLinkMover : MonoBehaviour
{
    public OffMeshLinkMoveMethod method = OffMeshLinkMoveMethod.Parabola;
    IEnumerator Start()
    {
        NavMeshAgent agent = GetComponent<NavMeshAgent>();
        agent.autoTraverseOffMeshLink = false;
        while (true)
        {
            if (agent.isOnOffMeshLink)
            {
                if (method == OffMeshLinkMoveMethod.NormalSpeed)
                    yield return StartCoroutine(NormalSpeed(agent));
                else if (method == OffMeshLinkMoveMethod.Parabola)
                    yield return StartCoroutine(Parabola(agent, 2.0f, 0.5f));
                agent.CompleteOffMeshLink();
            }
            yield return null;
        }
    }

    IEnumerator NormalSpeed(NavMeshAgent agent)
    {
        OffMeshLinkData data = agent.currentOffMeshLinkData;
        Vector3 endPos = data.endPos + Vector3.up * agent.baseOffset;
        while (agent.transform.position != endPos)
        {
            agent.transform.position = Vector3.MoveTowards(agent.transform.position, endPos, agent.speed * Time.deltaTime);
            yield return null;
        }
    }

    IEnumerator Parabola(NavMeshAgent agent, float height, float duration)
    {
        OffMeshLinkData data = agent.currentOffMeshLinkData;
        Vector3 startPos = agent.transform.position;
        Vector3 endPos = data.endPos + Vector3.up * agent.baseOffset;
        float normalizedTime = 0.0f;
        while (normalizedTime < 1.0f)
        {
            float yOffset = height * 4.0f * (normalizedTime - normalizedTime * normalizedTime);
            agent.transform.position = Vector3.Lerp(startPos, endPos, normalizedTime) + yOffset * Vector3.up;
            normalizedTime += Time.deltaTime / duration;
            yield return null;
        }
    }
}

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