diff --git a/C#核心/test/Program.cs b/C#核心/test/Program.cs index 23c0696..4a41437 100644 --- a/C#核心/test/Program.cs +++ b/C#核心/test/Program.cs @@ -1,25 +1,55 @@ -// See https://aka.ms/new-console-template for more information -Console.WriteLine("Hello, World!"); -#region 知识点一 -#endregion +using System; +namespace Test +{ + enum E_RoomType + { + Bedroom, + LivingRoom + } + class Bedroom : IChangeRoom + { + public void ChangeRoom() + { + Console.WriteLine("卧室"); + } + } + class LivingRoom : IChangeRoom + { + public void ChangeRoom() + { + Console.WriteLine("客厅"); + } + } + interface IChangeRoom + { + void ChangeRoom() { } + } + class Show + { + IChangeRoom room; + public Show() + { + room = new Bedroom(); + } + public Show(IChangeRoom room) + { + this.room = room; + } + public void ShowRoom() + { + room.ChangeRoom(); + } -#region 知识点二 -#endregion - -#region 知识点三 -#endregion - -#region 知识点四 -#endregion - -#region 知识点五 -#endregion - -#region 知识点六 -#endregion - -#region 知识点七 -#endregion - -#region 知识点八 -#endregion \ No newline at end of file + } + + class Program + { + static void Main(string[] args) + { + Show s1 = new Show(); + Show s2 = new Show(new LivingRoom()); + s1.ShowRoom(); + s2.ShowRoom(); + } + } +} \ No newline at end of file diff --git a/C#核心实践/C#核心实践.sln b/C#核心实践/C#核心实践.sln index 60cfa81..778bcf4 100644 --- a/C#核心实践/C#核心实践.sln +++ b/C#核心实践/C#核心实践.sln @@ -1,7 +1,7 @@  Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio Version 17 -VisualStudioVersion = 17.14.36202.13 d17.14 +VisualStudioVersion = 17.14.36202.13 MinimumVisualStudioVersion = 10.0.40219.1 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "必备知识点_多脚本文件", "必备知识点_多脚本文件\必备知识点_多脚本文件.csproj", "{20F6B501-8D7E-468E-9D92-B0ACC81D217B}" EndProject @@ -9,6 +9,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "必备知识点_UML类图", EndProject Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "必备知识点_面向对象七大原则", "必备知识点_面向对象七大原则\必备知识点_面向对象七大原则.csproj", "{6379831D-2766-4714-A82E-1072023A574F}" EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "贪吃蛇", "贪吃蛇\贪吃蛇.csproj", "{B3D215DA-A41B-4CBE-B572-1FD94BF0239F}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Any CPU = Debug|Any CPU @@ -27,6 +29,10 @@ Global {6379831D-2766-4714-A82E-1072023A574F}.Debug|Any CPU.Build.0 = Debug|Any CPU {6379831D-2766-4714-A82E-1072023A574F}.Release|Any CPU.ActiveCfg = Release|Any CPU {6379831D-2766-4714-A82E-1072023A574F}.Release|Any CPU.Build.0 = Release|Any CPU + {B3D215DA-A41B-4CBE-B572-1FD94BF0239F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {B3D215DA-A41B-4CBE-B572-1FD94BF0239F}.Debug|Any CPU.Build.0 = Debug|Any CPU + {B3D215DA-A41B-4CBE-B572-1FD94BF0239F}.Release|Any CPU.ActiveCfg = Release|Any CPU + {B3D215DA-A41B-4CBE-B572-1FD94BF0239F}.Release|Any CPU.Build.0 = Release|Any CPU EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/C#核心实践/贪吃蛇/Lesson1/Game.cs b/C#核心实践/贪吃蛇/Lesson1/Game.cs new file mode 100644 index 0000000..847dae2 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson1/Game.cs @@ -0,0 +1,78 @@ +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 + { + /// + /// 开始场景 + /// + Begin, + /// + /// 游戏场景 + /// + Game, + /// + /// 结束场景 + /// + End, + }//游戏场景枚举 +} diff --git a/C#核心实践/贪吃蛇/Lesson1/ISceneUpdate.cs b/C#核心实践/贪吃蛇/Lesson1/ISceneUpdate.cs new file mode 100644 index 0000000..51812e1 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson1/ISceneUpdate.cs @@ -0,0 +1,18 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + /// + /// 场景更新接口 + /// + interface ISceneUpdate + { + void Update() + { + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson2/BaseScene.cs b/C#核心实践/贪吃蛇/Lesson2/BaseScene.cs new file mode 100644 index 0000000..efcf458 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson2/BaseScene.cs @@ -0,0 +1,48 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + abstract class BaseScene : ISceneUpdate + { + protected int nowSceneIndex = 0; + protected string title; + protected string str1; + + public abstract void PressEnter(); + public void Update() + { + //要完成的内容：绘制开始和结束场景，并完成切换选择功能 + Console.ForegroundColor = ConsoleColor.White; + + //绘制标题 + Console.SetCursorPosition(Game.w / 2 - title.Length, 5); + Console.Write(title); + + //绘制选项 + Console.SetCursorPosition(Game.w / 2 - str1.Length, 8); + Console.ForegroundColor = nowSceneIndex == 0 ? ConsoleColor.Red : ConsoleColor.White; + Console.Write(str1); + + Console.SetCursorPosition(Game.w / 2 - 4, 10); + Console.ForegroundColor = nowSceneIndex == 1 ? ConsoleColor.Red : ConsoleColor.White; + Console.Write("结束游戏"); + //根据nowSceneIndex绘制wsj选中的索引 + switch (Console.ReadKey(true).Key) + { + case ConsoleKey.W: + nowSceneIndex = 0; + break; + case ConsoleKey.S: + nowSceneIndex = 1; + break; + case ConsoleKey.Enter: + PressEnter(); + break; + } + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson2/BeginScene.cs b/C#核心实践/贪吃蛇/Lesson2/BeginScene.cs new file mode 100644 index 0000000..fcf937c --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson2/BeginScene.cs @@ -0,0 +1,31 @@ +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); + } + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson2/EndScene.cs b/C#核心实践/贪吃蛇/Lesson2/EndScene.cs new file mode 100644 index 0000000..8dd6d9d --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson2/EndScene.cs @@ -0,0 +1,32 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Security.Cryptography.X509Certificates; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + class EndScene : BaseScene + { + public EndScene() + { + title = "游戏结束"; + str1 = "重新开始"; + } + 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.Begin); + } + else + { + //结束游戏 + Environment.Exit(0); + } + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson2/GameScene.cs b/C#核心实践/贪吃蛇/Lesson2/GameScene.cs new file mode 100644 index 0000000..3e2a145 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson2/GameScene.cs @@ -0,0 +1,65 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + class GameScene : ISceneUpdate + { + Map map; + Snake snake; + Food food; + public GameScene() + { + map = new Map(); + snake = new Snake(40, 10); + food = new Food(snake); + } + public void Update() + { + + map.Draw();//画地图 + food.Draw();//画食物 + snake.Move();//让蛇动起来 + snake.Draw();//画蛇 + if (snake.CheckEnd(map))//检测游戏是否结束 + { + Game.ChangeScene(E_Scene.End); + } + snake.CheckEat(food);//检测蛇是否吃到食物 + Thread.Sleep(200);//控制蛇的移动速度 + //检测用户输入 + if (Console.KeyAvailable)//Console.KeyAvailable的作用是：如果有按键输入才返回Ture，防止卡住 + { + switch (Console.ReadKey(true).Key) + { + case ConsoleKey.W: + case ConsoleKey.UpArrow: + snake.ChangeDirection(E_MoveDirection.Up); + //向上 + break; + case ConsoleKey.S: + case ConsoleKey.DownArrow: + snake.ChangeDirection(E_MoveDirection.Down); + //向下 + break; + case ConsoleKey.A: + case ConsoleKey.LeftArrow: + snake.ChangeDirection(E_MoveDirection.Left); + //向左 + break; + case ConsoleKey.D: + case ConsoleKey.RightArrow: + snake.ChangeDirection(E_MoveDirection.Right); + //向右 + break; + default: + break; + } + } + + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson3/GameObject.cs b/C#核心实践/贪吃蛇/Lesson3/GameObject.cs new file mode 100644 index 0000000..4ed6652 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson3/GameObject.cs @@ -0,0 +1,19 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + abstract class GameObject : IDraw + { + //当前位置 + public Position pos; + + //绘制对象 + //可以继承接口后，把接口中的方法变成抽象方法，让子类去实现 + //因为时抽象行为，所以子类必须实现 + public abstract void Draw(); + } +} diff --git a/C#核心实践/贪吃蛇/Lesson3/IDraw.cs b/C#核心实践/贪吃蛇/Lesson3/IDraw.cs new file mode 100644 index 0000000..9632301 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson3/IDraw.cs @@ -0,0 +1,13 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + interface IDraw + { + void Draw(); + } +} diff --git a/C#核心实践/贪吃蛇/Lesson3/Position.cs b/C#核心实践/贪吃蛇/Lesson3/Position.cs new file mode 100644 index 0000000..2f0a761 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson3/Position.cs @@ -0,0 +1,28 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + struct Position + { + public int x; + public int y; + public Position(int x, int y) + { + this.x = x; + this.y = y; + } + //重载==和!=运算符来判断两个Position是否相等 + public static bool operator == (Position p1, Position p2) + { + return p1.x == p2.x && p1.y == p2.y; + } + public static bool operator !=(Position p1, Position p2) + { + return !(p1 == p2); + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson4/Food.cs b/C#核心实践/贪吃蛇/Lesson4/Food.cs new file mode 100644 index 0000000..5e285de --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson4/Food.cs @@ -0,0 +1,36 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + class Food : GameObject + { + public Food(Snake snake) + { + RandomPos(snake); + } + public override void Draw() + { + Console.ForegroundColor = ConsoleColor.Cyan; + Console.SetCursorPosition(pos.x, pos.y); + Console.Write("◎"); + } + public void RandomPos(Snake snake) + { + Random r = new Random(); + int x = r.Next(1, Game.w / 2 - 1) * 2; //1-38的随机数 + int y = r.Next(2, Game.h - 3); //1-18的随机数 + pos = new Position(x, y); + //判断生成的位置是否和蛇身重合 + if (snake.CheckSamePos(pos)) + { + RandomPos(snake); + } + + } + + } +} diff --git a/C#核心实践/贪吃蛇/Lesson4/SnakeBody.cs b/C#核心实践/贪吃蛇/Lesson4/SnakeBody.cs new file mode 100644 index 0000000..fcc8909 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson4/SnakeBody.cs @@ -0,0 +1,29 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + enum E_BodyType + { + Head, //蛇头 + Body, //蛇身 + } + class SnakeBody : GameObject + { + private E_BodyType bodyType; //身体类型 + public SnakeBody(int x, int y, E_BodyType bodyType) + { + pos = new Position(x, y); + this.bodyType = bodyType; + } + public override void Draw() + { + Console.SetCursorPosition(pos.x, pos.y); + Console.ForegroundColor = bodyType == E_BodyType.Head ? ConsoleColor.Yellow : ConsoleColor.Green; + Console.Write(bodyType == E_BodyType.Head ? "●" : "○"); + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson4/Wall.cs b/C#核心实践/贪吃蛇/Lesson4/Wall.cs new file mode 100644 index 0000000..b4dae80 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson4/Wall.cs @@ -0,0 +1,22 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + class Wall : GameObject + { + public Wall(int x, int y) + { + pos = new Position(x, y); + } + public override void Draw() + { + Console.ForegroundColor = ConsoleColor.Red; + Console.SetCursorPosition(pos.x, pos.y); + Console.Write("■"); + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson5/Map.cs b/C#核心实践/贪吃蛇/Lesson5/Map.cs new file mode 100644 index 0000000..24f2858 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson5/Map.cs @@ -0,0 +1,49 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + class Map : IDraw + { + public Wall[] walls; //存放墙位置的数组 + + public Map() + { + //初始化墙 + walls = new Wall[Game.w + (Game.h -3) * 2]; + int index = 0; + //上边墙 + for (int x = 0; x < Game.w; x+=2) + { + walls[index++] = new Wall(x, 0); + } + //下边墙 + for (int x = 0; x < Game.w; x+=2) + { + walls[index++] = new Wall(x, Game.h - 2); + } + //左边墙 + for (int y = 1; y < Game.h - 2; y++) + { + walls[index++] = new Wall(0, y); + } + //右边墙 + for (int y = 1; y < Game.h - 2; y++) + { + walls[index++] = new Wall(Game.w - 2, y); + } + } + + public void Draw() + { + for (int x = 0; x < walls.Length; x++) + { + walls[x].Draw(); + + } + } + } +} diff --git a/C#核心实践/贪吃蛇/Lesson6/Snake.cs b/C#核心实践/贪吃蛇/Lesson6/Snake.cs new file mode 100644 index 0000000..2066657 --- /dev/null +++ b/C#核心实践/贪吃蛇/Lesson6/Snake.cs @@ -0,0 +1,141 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace 贪吃蛇 +{ + enum E_MoveDirection + { + Up, + Down, + Left, + Right + } + class Snake : IDraw + { + E_MoveDirection moveDirection;//记录蛇当前的移动方向 + SnakeBody[] bodies; //存放蛇身体的数组 + int nowNum;//用一个变量记录蛇的长度 + public Snake(int x, int y) + { + moveDirection = E_MoveDirection.Right; + bodies = new SnakeBody[200]; + bodies[0] = new SnakeBody(x, y, E_BodyType.Head); + nowNum = 1; + } + public void Draw() + { + //只画出当前的蛇身 + for (int i = 0; i < nowNum; i++) + { + bodies[i].Draw(); + } + + } + + #region Lesson7 + //蛇的移动 + public void Move() + { + //移动前擦除前一个位置 + SnakeBody lastBody = bodies[nowNum - 1]; + Console.SetCursorPosition(lastBody.pos.x, lastBody.pos.y); + Console.Write(" "); + + for(int i = nowNum - 1; i > 0; i--) + { + bodies[i].pos = bodies[i - 1].pos; + } + switch (moveDirection) + { + case E_MoveDirection.Up: + bodies[0].pos.y--; + break; + case E_MoveDirection.Down: + bodies[0].pos.y++; + break; + case E_MoveDirection.Left: + bodies[0].pos.x -= 2; + break; + case E_MoveDirection.Right: + bodies[0].pos.x += 2; + break; + } + } + #endregion + + #region Lesson8 + public void ChangeDirection(E_MoveDirection newDirection) + { + //不能直接掉头 + if ( newDirection == moveDirection || + nowNum > 1 && (moveDirection == E_MoveDirection.Right && newDirection == E_MoveDirection.Left ) || + nowNum > 1 && (moveDirection == E_MoveDirection.Left && newDirection == E_MoveDirection.Right) || + nowNum > 1 && (moveDirection == E_MoveDirection.Up && newDirection == E_MoveDirection.Down) || + nowNum > 1 && (moveDirection == E_MoveDirection.Down && newDirection == E_MoveDirection.Up) ) + { + return; + } + moveDirection = newDirection; + } + #endregion + + #region Lesson9 + //碰撞检测 + public bool CheckEnd(Map map) + { + //是否和墙体位置重合 + for(int i = 0; i < map.walls.Length; i++) + { + if (bodies[0].pos == map.walls[i].pos) + { + return true; + } + } + //是否和自己身体位置重合 + for(int i = 1; i < nowNum; i++) + { + if (bodies[0].pos == bodies[i].pos) + { + return true; + } + } + return false; + } + #endregion + + #region Lesson10 + public bool CheckSamePos(Position p) + { + for(int i = 0; i < nowNum; i++) + { + if (bodies[i].pos == p) + { + return true; + } + } + return false; + } + public void CheckEat(Food food) + { + if (bodies[0].pos == food.pos) + { + //吃到了就再次随机生成食物，并且让蛇变长 + food.RandomPos(this); + GrowUp(); + } + } + #endregion + + #region Lesson11 + private void GrowUp() + { + SnakeBody lastBody = bodies[nowNum - 1]; + bodies[nowNum] = new SnakeBody(lastBody.pos.x, lastBody.pos.y, E_BodyType.Body); + nowNum++; + } + #endregion + } +} diff --git a/C#核心实践/贪吃蛇/Program.cs b/C#核心实践/贪吃蛇/Program.cs new file mode 100644 index 0000000..22c38ee --- /dev/null +++ b/C#核心实践/贪吃蛇/Program.cs @@ -0,0 +1,11 @@ +namespace 贪吃蛇 +{ + class Program + { + static void Main(string[] args) + { + Game game = new Game(); + game.Start(); + } + } +} diff --git a/C#核心实践/贪吃蛇/贪吃蛇.csproj b/C#核心实践/贪吃蛇/贪吃蛇.csproj new file mode 100644 index 0000000..f45e109 --- /dev/null +++ b/C#核心实践/贪吃蛇/贪吃蛇.csproj @@ -0,0 +1,14 @@ + + + + Exe + net8.0 + enable + enable + + + + + + +