浏览器嵌入，国旗文件

Assets/Scripts/UI/Prefab/Login/QuickLoginScroll.cs

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+using System.Collections;
+using System.Collections.Generic;
+using System.Threading;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class QuickLoginScroll : MonoBehaviour
+{
+    // Start is called before the first frame update
+    private ScrollRect scroll;
+    private Transform content;
+    private float contentSize;
+    private int count;
+    [SerializeField] Button L, R;
+    void Start()
+    {
+        scroll = gameObject.GetComponent<ScrollRect>();
+        content = gameObject.transform.Find("Viewport").Find("Content");
+        //Initial();
+        if (L != null)
+        {
+            L.onClick.AddListener(goLeft);
+        }
+        if (R != null)
+        {
+            R.onClick.AddListener(goRight);
+        }
+    }
+    public void Initial() 
+    {
+        count = content.childCount;
+        if (content.childCount - 2 > 0)
+        {
+            contentSize = 1f / (content.childCount - 2);
+        }
+        else 
+        {
+            contentSize = 0;
+        }
+        //scroll.horizontalNormalizedPosition = 0;
+        Canvas.ForceUpdateCanvases();
+        scroll.horizontalNormalizedPosition = contentSize/2;
+        SetColor();
+    }
+    void goLeft()
+    {
+        if (scroll.horizontalNormalizedPosition <= contentSize) return;
+        if (!start) startPosition = scroll.horizontalNormalizedPosition;
+        start = true;
+        scrollValue = -1 * contentSize / 30;
+    }
+    void goRight()
+    {
+        if ((scroll.horizontalNormalizedPosition + contentSize) >= 1) return;
+        if (!start) startPosition = scroll.horizontalNormalizedPosition;
+        start = true;
+        scrollValue = contentSize / 30;
+    }
+    private bool start = false, _lock = false;
+    private float scrollValue = 0, totalScrollValue = 0, startPosition = 0;
+    void SetColor()
+    {
+        int index = (int)System.Math.Round(
+                    (scroll.horizontalNormalizedPosition + (contentSize / 2)) / contentSize,
+                    0);
+        for (int i = 1; i < content.childCount-1; i++) 
+        {
+            string c;
+            if (i == index)
+            {
+                content.GetChild(i).GetComponent<QuickLoginUser>().setActive();
+            }
+            else 
+            {
+                content.GetChild(i).GetComponent<QuickLoginUser>().setNoActive();
+            }
+        }
+    }
+    // Update is called once per frame
+    void Update()
+    {
+        if (start)
+        {
+            totalScrollValue += scrollValue;
+            if (System.Math.Abs(totalScrollValue) >= contentSize)
+            {
+                scrollValue = 0;
+                start = false;
+                scroll.horizontalNormalizedPosition = startPosition + totalScrollValue;
+                //Debug.Log();
+                
+                SetColor();
+                totalScrollValue = 0;
+            }
+            else 
+            {
+                scroll.horizontalNormalizedPosition += scrollValue;
+            }
+        }
+    }
+}