unity3d 每隔2秒移动一次对象到随机坐标

0g0grzrc 于 2022-11-15 发布在其他

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我想让enemy每2秒移动到-2.4到2.4之间的一个随机X位置，但是他移动得很急，而且移动的距离很小。我怀疑问题出在speed * Time.deltaTime上，但是我不知道如何修复它

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Random=UnityEngine.Random;

public class EnemyController : MonoBehaviour
{
    public Transform enemy;
    private float random;
    [SerializeField] private float speed = 10f;

    void Start()
    {
        StartCoroutine(MoveEnemy());
    }

    IEnumerator MoveEnemy()
    {
        while (!MainGame.lose)
        {
            yield return new WaitForSeconds(2);

            random = Random.Range(-2.4f, 2.4f);
            Debug.Log(random);
            enemy.transform.position = Vector2.MoveTowards(enemy.position,
                new Vector3(random, enemy.position.y),
                speed * Time.deltaTime);
        }
    }
}

unity3d

来源：https://stackoverflow.com/questions/74361273/once-every-2-seconds-move-the-object-to-random-coordinates

1条答案

按热度按时间

lmvvr0a81#

你每两秒才移动一次敌人。对我来说，听起来你更想不断地移动敌人，但每两秒才选择一个新的目标位置，所以eidogg。

// you can directly make Start a Coroutine by changing its return type 
IEnumerator Start()
{
    while (!MainGame.lose)
    {
        var random = Random.Range(-2.4f, 2.4f);
        var targetPosition = new Vector3(random, enemy.position.y);

        for(var time = 0f; time < 2f; time += Time.deltaTime)
        {
            // need to check within here since otherwise it would always try to finish the for loop
            if(MainGame.lose) 
            {
                // quits from this entire routine
                yield break;
            }

            enemy.position = Vector2.MoveTowards(enemy.position, targetPosition, speed * Time.deltaTime);

            // this basically means continue in the next frame
            yield return null;

            if(enemy.position == targetPosition) 
            {
                // quits the for loop and basically starts again from var random = ...
                break;
            }
        }
    }
}

因此，在最多两秒内，你尝试以恒定的线性运动到达这个随机目标，如果你超过2秒或在此之前到达目标，你将选择一个新的随机目标位置

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unity3d 每隔2秒移动一次对象到随机坐标

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