fix:代码提初始化

Assets/Scripts/WorldIcons/FastSlowAnimationANDZoomIN.cs

@@ -0,0 +1,70 @@
+using System.Collections;
+using System.Collections.Generic;
+
+using UnityEngine;
+
+public class FastSlowAnimationANDZoomIN : MonoBehaviour
+{
+    public Camera cam;
+    public Camera workerCamera;
+    //Animator anim;
+
+    public float maxHeight = 2f;      // 最大上升高度（米）
+    float scaleRation = 0.5f;//默认缩放系数
+    public float upTime = 1.5f;// 上升到最高点所需时间（秒）
+
+    private Dictionary<Transform, Vector3> childrenStartPos = new Dictionary<Transform, Vector3>();
+    // Start is called before the first frame update
+    void Start()
+    {
+        cam = Camera.main;
+        // workerCamera = GameObject.Find("WorkerCamera").GetComponent<Camera>();zhe行代码为什么会引起 bug？目前还不清楚
+
+        foreach (Transform child in transform)
+        {
+            childrenStartPos[child] = child.position;
+
+        }
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        if (cam.gameObject.activeInHierarchy == true)
+        {
+            //自由视角下的动画逻辑
+            foreach (Transform child in transform)//每个孩子就是一个世界空间的大画布
+            {
+                //通过遍历每个子物体,每个物体的大小是独立计算的，不能取最小值
+                float dist = Vector3.Distance(child.position, cam.transform.position);
+                float scale = scaleRation * dist / 30f;//这里给改成0.1m是最近距离吧，缩放到0.00333倍,10倍是300米
+                scale = Mathf.Clamp(scale, 0.00333f, 10f);
+
+                maxHeight = 0.01f + (dist - 0.1f) * 0.99f / 49.9f;//0.01米设置为最低吧
+                maxHeight = Mathf.Clamp(maxHeight, 0.01f, 2f);
+
+                float yOffset = Mathf.PingPong(Time.time * (maxHeight / upTime), maxHeight);
+
+                child.position = childrenStartPos[child] + new Vector3(0, yOffset, 0);
+                child.localScale = Vector3.one * scale;
+                child.LookAt(child.position + cam.transform.forward);//看相机
+                                                                     //transform.LookAt(transform.position + target.forward);
+            }
+        }
+        else
+        {
+            //切换到工人视角下所放和浮动在这里
+            foreach (Transform child in transform)//每个孩子就是一个世界空间的大画布
+            {
+
+
+                float yOffset = Mathf.PingPong(Time.time * (0.3f / upTime), 0.3f);
+
+                child.position = childrenStartPos[child] + new Vector3(0, yOffset, 0);
+                child.localScale = Vector3.one * 0.3f;
+                child.LookAt(child.position + workerCamera.transform.forward);//看相机
+                                                                              //transform.LookAt(transform.position + target.forward);
+            }
+        }
+    }
+}