暂存

Assets/Cyp/DemoShader/ScrollTest2.cs

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+using System.Collections;
+using System.Collections.Generic;
+using System.Threading;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class ScrollTest2 : MonoBehaviour
+{
+    // Start is called before the first frame update
+    private ScrollRect scroll;
+    private Transform content;
+    private float contentSize;
+    [SerializeField] Button L, R;
+    void Start()
+    {
+        scroll = gameObject.GetComponent<ScrollRect>();
+        content = gameObject.transform.Find("Viewport").Find("Content");
+        
+        contentSize = 1f/(content.childCount-2);
+        scroll.horizontalNormalizedPosition = contentSize / 2;
+        if (L != null) 
+        {
+            L.onClick.AddListener(goLeft);
+        }
+        if (R != null)
+        {
+            R.onClick.AddListener(goRight);
+        }
+    }
+    void goLeft()
+    {
+        if (scroll.horizontalNormalizedPosition <= contentSize) return;
+        start = true;
+        scrollValue = -1 * contentSize / 30;
+    }
+    void goRight()
+    {
+        if ((scroll.horizontalNormalizedPosition + contentSize)>=1) return;
+        start = true;
+        scrollValue = contentSize / 30;
+    }
+    private bool start = false, _lock = false;
+    private float scrollValue = 0,totalScrollValue = 0;
+    // Update is called once per frame
+    void Update()
+    {
+        if (start)
+        {
+            if (_lock) return;
+            _lock = true;
+            totalScrollValue += scrollValue;
+            if (System.Math.Abs(totalScrollValue) >= contentSize)
+            {
+                scrollValue = 0;
+                start = false;
+                totalScrollValue = 0;
+            }
+            else 
+            {
+                scroll.horizontalNormalizedPosition += scrollValue;
+            }
+            _lock = false;
+        }
+    }
+}