1123控制导丝长度代码

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class grow_b : MonoBehaviour
{
    public GameObject prefab;
    List<GameObject> allbody;
    // Start is called before the first frame update
    void Start()
    {
        allbody = new List<GameObject>();
        allbody.Add(this.gameObject);
    }

    // Update is called once per frame
    void Update()
    {
        //GameObject last = Instantiate(prefab, new Vector3(10, 0, 0), Quaternion.identity);
        Vector3 pos = allbody[allbody.Count - 1].transform.position;
        float gap = allbody[0].transform.position.x + 280;
        bool flag = false;
        if (gap + 1 > allbody.Count) flag = true;
        float dist = (pos.x + 280) * (pos.x + 280) + (pos.y - 60) * (pos.y - 60) + (pos.z - 118) * (pos.z - 118);
        if (dist >= 1 && flag )
        {
            
            GameObject last = Instantiate(prefab, new Vector3(pos.x-1, pos.y, pos.z), Quaternion.Euler(0.0f, 0.0f, 90.0f));
            last.transform.parent = allbody[allbody.Count - 1].transform;
            last.GetComponent<ConfigurableJoint>().connectedBody = allbody[allbody.Count - 1].GetComponent<Rigidbody>();
            allbody.Add(last);
        }
        
        if (pos.x < -280)
        {
            GameObject des = allbody[allbody.Count - 1];
            allbody.RemoveAt(allbody.Count - 1);
            DestroyImmediate(des);

        }
        
    }
}