如何将地形上的所有球体从原始位置移动到新位置并循环返回原始位置？

Question

我想要它做的是在编辑器和运行游戏时看到所有球体同时移动到另一个方向，或者它可能是相同的方向直到 endPoint 然后回到 startPoint循环不停。

这是我的脚本：

using System;
using UnityEngine;
using Random = UnityEngine.Random;

[ExecuteInEditMode]
public class SphereBuilder : MonoBehaviour
{
    // for tracking properties change
    private Vector3 _extents;
    private int _sphereCount;
    private float _sphereSize;

    /// <summary>
    ///     How far to place spheres randomly.
    /// </summary>
    public Vector3 Extents;

    /// <summary>
    ///     How many spheres wanted.
    /// </summary>
    public int SphereCount;

    public float SphereSize;

    private void OnValidate()
    {
        // prevent wrong values to be entered
        Extents = new Vector3(Mathf.Max(0.0f, Extents.x), Mathf.Max(0.0f, Extents.y), Mathf.Max(0.0f, Extents.z));
        SphereCount = Mathf.Max(0, SphereCount);
        SphereSize = Mathf.Max(0.0f, SphereSize);
    }

    private void Reset()
    {
        Extents = new Vector3(250.0f, 20.0f, 250.0f);
        SphereCount = 100;
        SphereSize = 20.0f;
    }

    private void Update()
    {
        UpdateSpheres();
    }

    private void UpdateSpheres()
    {
        if (Extents == _extents && SphereCount == _sphereCount && Mathf.Approximately(SphereSize, _sphereSize))
            return;

        // cleanup
        var spheres = GameObject.FindGameObjectsWithTag("Sphere");
        foreach (var t in spheres)
        {
            if (Application.isEditor)
            {
                DestroyImmediate (t);
            }
            else
            {
                Destroy(t);
            }
        }

        var withTag = GameObject.FindWithTag("Terrain");
        if (withTag == null)
            throw new InvalidOperationException("Terrain not found");

        for (var i = 0; i < SphereCount; i++)
        {
            var o = GameObject.CreatePrimitive(PrimitiveType.Sphere);
            o.tag = "Sphere";
            o.transform.localScale = new Vector3(SphereSize, SphereSize, SphereSize);

            // get random position
            var x = Random.Range(-Extents.x, Extents.x);
            var y = Extents.y; // sphere altitude relative to terrain below
            var z = Random.Range(-Extents.z, Extents.z);

            // now send a ray down terrain to adjust Y according terrain below
            var height = 10000.0f; // should be higher than highest terrain altitude
            var origin = new Vector3(x, height, z);
            var ray = new Ray(origin, Vector3.down);
            RaycastHit hit;
            var maxDistance = 20000.0f;
            var nameToLayer = LayerMask.NameToLayer("Terrain");
            var layerMask = 1 << nameToLayer;
            if (Physics.Raycast(ray, out hit, maxDistance, layerMask))
            {
                var distance = hit.distance;
                y = height - distance + y; // adjust
            }
            else
            {
                Debug.LogWarning("Terrain not hit, using default height !");
            }

            // place !
            o.transform.position = new Vector3(x, y, z);
        }

        _extents = Extents;
        _sphereCount = SphereCount;
        _sphereSize = SphereSize;
    }
}

更新

我创建了另一个 c# 脚本并将其拖到地形上。

using UnityEngine;
using System.Collections;

public class MoveSpheres : MonoBehaviour {

    public Transform _transform;
    private Vector3 pos1 = new Vector3(-4,0,0);
    private Vector3 pos2 = new Vector3(4,0,0);
    public float speed = 1.0f;
    // Use this for initialization
    void Start () {



    }

    // Update is called once per frame
    void Update () {

        _transform.position = Vector3.Lerp (pos1, pos2, Mathf.PingPong(Time.time*speed, 1.0f));


    }
}

这个脚本移动一个球体。但我想移动所有的球体。 而且，如果我在第一个脚本中更改球体的数量，然后移动它们也继续移动它们。

问题在于第一个脚本中的 Destroy 部分。

Answer 1

您可以将球体从一个位置移动到另一个位置并返回https://docs.unity3d.com/ScriptReference/Vector3.Lerp.html