daily update on 20230322 by nitload youmu, new geometry structure rewritten 70%

源代码/StgSharp/Entities/Player.cs

@@ -1,12 +1,21 @@
 using StgSharp.Math;
 using System;
 using System.Collections.Generic;
+using System.Runtime.CompilerServices;
 using System.Text;
 
 namespace StgSharp
 {
     public class Player : Entity
     {
+        internal float _velocity;
+
+        public float Velocity
+        {
+            get { return _velocity; }
+        }
+
+
 
     }
 }