+ json extends

1 files changed, 37 insertions, 0 deletions

diff --git a/WorldlineKeepers/Assets/ThirdParty/StringUtil/DoubleVString.cs b/WorldlineKeepers/Assets/ThirdParty/StringUtil/DoubleVString.cs
new file mode 100644
index 0000000..5d9c6e8
--- /dev/null
+++ b/WorldlineKeepers/Assets/ThirdParty/StringUtil/DoubleVString.cs
@@ -0,0 +1,37 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+/// <summary>
+/// 给UI.Text使用的double buffer string
+/// </summary>
+public class DoubleVString
+{   
+    private int index;
+    private VString stringA;
+    private VString stringB;
+
+    public DoubleVString(int maxCount)
+    {
+        stringA = new VString(maxCount);
+        stringB = new VString(maxCount);
+    }
+    
+    public VString GetCurrentVString()
+    {
+        return (index % 2) == 0 ? stringA : stringB;
+    }
+    
+    public VString GetNextVString()
+    {
+        return (index % 2) == 0 ? stringB : stringA;
+    }
+
+
+    //交换current 和Next string对象
+    public void SwapVString()
+    {
+        index = (index + 1) % 2;
+    }
+}
\ No newline at end of file