贪吃蛇小项目

C#核心实践/贪吃蛇/Lesson1/Game.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace 贪吃蛇
+{
+    class Game
+    {
+        //窗口宽高
+        public const int h = 20;
+        public const int w = 80;
+        //当前游戏场景
+        public static ISceneUpdate nowScene;
+
+        public Game()
+        {
+            Console.CursorVisible = false;
+            Console.SetWindowSize(w, h);
+            Console.SetBufferSize(w, h);
+
+            ChangeScene(E_Scene.Begin);//初始场景为开始场景
+        }
+        public void Start()
+        {
+            //游戏主循环
+            while (true)
+            {
+                try
+                {
+                    if (nowScene != null)
+                    {
+                        nowScene.Update();//场景不为空就更新场景
+                    }
+                }
+                catch
+                {
+
+                }
+            }
+        }
+        public static void ChangeScene(E_Scene type)
+        {
+            //切场景时先擦除上一次绘制的内容
+            Console.Clear();
+            switch (type)
+            {
+                case E_Scene.Begin:
+                    nowScene = new BeginScene();
+                    break;
+                case E_Scene.Game:
+                    nowScene = new GameScene();
+                    break;
+                case E_Scene.End:
+                    nowScene = new EndScene();
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+    enum E_Scene
+    {
+        /// <summary>
+        /// 开始场景
+        /// </summary>
+        Begin,
+        /// <summary>
+        /// 游戏场景
+        /// </summary>
+        Game,
+        /// <summary>
+        /// 结束场景
+        /// </summary>
+        End,
+    }//游戏场景枚举
+}

C#核心实践/贪吃蛇/Lesson1/ISceneUpdate.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace 贪吃蛇
+{
+    /// <summary>
+    /// 场景更新接口
+    /// </summary>
+    interface ISceneUpdate
+    {
+        void Update()
+        {
+        }
+    }
+}