贪吃蛇小项目

C#核心实践/贪吃蛇/Lesson2/BeginScene.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 BeginScene : BaseScene
+    {
+        public BeginScene()
+        {
+            title = "贪吃蛇小游戏";
+            str1 = "开始游戏";
+        }
+        public override void PressEnter()
+        {
+            //根据nowSceneIndex的值决定按下回车后做什么
+            if( nowSceneIndex == 0 )
+            {
+                //切换到开始游戏
+                Game.ChangeScene(E_Scene.Game);
+            }
+            else
+            {
+                //结束游戏
+                Environment.Exit(0);
+            }
+        }
+    }
+}