Init

Assets/GameScripts/Main/UI/UnityUIBindings.cs

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+using R3;
+using System;
+using TMPro;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Tuan.GameScripts.Main
+{
+    public static class UnityUIBindings
+    {
+        public static IDisposable SubscribeToScrollbar(this ReactiveProperty<float> source, Scrollbar scrollbar)
+        {
+            return source.Subscribe(scrollbar, static (x, s) => s.value = x);
+        }
+        public static IDisposable SubscribeToInputField(this ReactiveProperty<float> source, InputField inputField)
+        {
+            return source.Subscribe(inputField, static (x, t) => t.text = x.ToString());
+        }
+        public static IDisposable BindToScrollbar(this ReactiveProperty<float> source, Scrollbar scrollbar)
+        {
+            var disposable = new CompositeDisposable();
+
+            // 值 → Scrollbar
+            source.SubscribeToScrollbar(scrollbar).AddTo(disposable);
+
+            // Scrollbar → 值
+            scrollbar.OnValueChangedAsObservable().Subscribe(_value => { source.Value = _value; }).AddTo(disposable);
+
+            return disposable;
+        }
+        public static IDisposable BindToInputField(this ReactiveProperty<float> source, InputField inputField)
+        {
+            var disposable = new CompositeDisposable();
+
+            // 值 → InputField
+            source.SubscribeToInputField(inputField).AddTo(disposable);
+
+            // InputField → 值
+            inputField.OnValueChangedAsObservable().Subscribe(_value => 
+            {
+                float result;
+                if (float.TryParse(_value,out result))
+                source.Value = result; 
+            }).AddTo(disposable);
+
+            return disposable;
+        }
+    }
+}
+
+