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Assets/Artists/Scripts/ReplaceModel.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using Dreamteck.Splines.Primitives;
+using UnityEngine;
+using Object = System.Object;
+using Random = UnityEngine.Random;
+
+namespace Net.Like.Xue.Tokyo
+{
+    public class ReplaceModel : MonoBehaviour
+    {
+        [SerializeField] private Animator animator;
+        [SerializeField] private Transform[] models;
+        
+        private void Start()
+        {
+            for (var i = 0; i < transform.childCount; i++)
+            {
+                DestroyImmediate(transform.GetChild(0));
+            }
+
+            var index = Random.Range(0, transform.childCount);
+            var newModel =models[index];
+           newModel =  Instantiate(newModel, transform);
+           if (newModel.TryGetComponent<Animator>(out var x))
+           {
+               DestroyImmediate(x);
+           }
+           
+           animator.Rebind();
+        }
+    }
+
+}