说明：
我希望用c#的form实现飞机大战
效果图:
step1:C:\Users\wangrusheng\RiderProjects\WinFormsApp2\WinFormsApp2\Form1.cs
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;namespace WinFormsApp2
{public partial class Form1 : Form{private readonly string[] ENEMY_EMOJIS = { "🦄", "🐺", "🐗", "🐴", "🦋", "🐌", "🐞", "🐝", "🦀", "🐡", "🐬", "🦑", "🐊", "🦓", "🐇" };private const int Swidth = 600;private const int Sheight = 900;private const int HeroSize = 40;private const int EnemySize = 30;private const int BulletSpeed = 8;private System.Windows.Forms.Timer gameTimer; // 添加这一行private Rectangle heroRect;private List<Enemy> enemies = new List<Enemy>();private List<Rectangle> bullets = new List<Rectangle>();private int score;private GameState gameState = GameState.Menu;private Font emojiFont = new Font("Segoe UI Emoji", 20);public Form1(){InitializeComponent();this.DoubleBuffered = true;this.ClientSize = new Size(Swidth, Sheight);this.Paint += MainForm_Paint;this.MouseMove += MainForm_MouseMove;this.KeyDown += MainForm_KeyDown;gameTimer = new System.Windows.Forms.Timer(); // 初始化 TimergameTimer.Interval = 16;gameTimer.Tick += GameTimer_Tick;}private enum GameState { Menu, Playing, GameOver }private void GameTimer_Tick(object sender, EventArgs e){if (gameState != GameState.Playing) return;// 生成敌人if (new Random().Next(0, 100) < 5 && enemies.Count < 10){enemies.Add(new Enemy(ENEMY_EMOJIS[new Random().Next(ENEMY_EMOJIS.Length)],new Point(new Random().Next(0, Swidth - EnemySize), -EnemySize)));}// 更新子弹位置for (int i = bullets.Count - 1; i >= 0; i--){var bullet = bullets[i];bullet.Y -= BulletSpeed;bullets[i] = bullet;if (bullet.Y < -BulletSpeed)bullets.RemoveAt(i);}// 更新敌人位置并检测碰撞for (int i = enemies.Count - 1; i >= 0; i--){var enemy = enemies[i];enemy.Update();// 检测子弹碰撞foreach (var bullet in bullets){if (enemy.Bounds.IntersectsWith(bullet)){enemies.RemoveAt(i);score++;break;}}// 检测玩家碰撞if (enemy.Bounds.IntersectsWith(heroRect)){gameState = GameState.GameOver;gameTimer.Stop();}if (enemy.Bounds.Y > Sheight)enemies.RemoveAt(i);}Invalidate();}private void MainForm_KeyDown(object sender, KeyEventArgs e){if (gameState == GameState.Playing && e.KeyCode == Keys.Space){bullets.Add(new Rectangle(heroRect.X + heroRect.Width / 2 - 5,heroRect.Y - 10,10, 20));}if (gameState == GameState.GameOver && e.KeyCode == Keys.Enter){gameState = GameState.Menu;Invalidate();}}private void MainForm_MouseMove(object sender, MouseEventArgs e){if (gameState == GameState.Playing){heroRect.X = e.X - HeroSize / 2;heroRect.Y = e.Y - HeroSize / 2;heroRect = KeepInBounds(heroRect);}}private void MainForm_Paint(object sender, PaintEventArgs e){var g = e.Graphics;g.Clear(Color.White);switch (gameState){case GameState.Menu:DrawMenu(g);break;case GameState.Playing:DrawGame(g);break;case GameState.GameOver:DrawGameOver(g);break;}}private void DrawMenu(Graphics g){var title = "飞机大战";var start = "开始游戏 (点击)";var exit = "退出游戏 (按ESC)";var titleSize = g.MeasureString(title, Font);g.DrawString(title, Font, Brushes.Black, Swidth / 2 - titleSize.Width / 2, 100);var startRect = new RectangleF(Swidth / 2 - 100, 300, 200, 40);g.DrawString(start, Font, Brushes.Blue, startRect);var exitRect = new RectangleF(Swidth / 2 - 100, 400, 200, 40);g.DrawString(exit, Font, Brushes.Red, exitRect);// 检测鼠标点击this.MouseClick += (s, e) =>{if (startRect.Contains(e.Location)){StartGame();}};}private void DrawGame(Graphics g){// 绘制玩家g.DrawString("🚀", emojiFont, Brushes.Black, heroRect);// 绘制敌人foreach (var enemy in enemies){g.DrawString(enemy.Emoji, emojiFont, Brushes.Red, enemy.Bounds);}// 绘制子弹foreach (var bullet in bullets){g.FillRectangle(Brushes.Gold, bullet);}// 绘制分数g.DrawString($"Score: {score}", Font, Brushes.Black, 10, 10);}private void DrawGameOver(Graphics g){g.DrawString($"游戏结束! 分数: {score}", Font, Brushes.Red, Swidth / 2 - 100, Sheight / 2);g.DrawString("按 Enter 返回菜单", Font, Brushes.Black, Swidth / 2 - 100, Sheight / 2 + 50);}private void StartGame(){gameState = GameState.Playing;heroRect = new Rectangle(Swidth / 2 - HeroSize / 2, Sheight - 100, HeroSize, HeroSize);enemies.Clear();bullets.Clear();score = 0;gameTimer.Start();}private Rectangle KeepInBounds(Rectangle rect){rect.X = Math.Max(0, Math.Min(Swidth - rect.Width, rect.X));rect.Y = Math.Max(0, Math.Min(Sheight - rect.Height, rect.Y));return rect;}private class Enemy{public string Emoji { get; }public Rectangle Bounds { get; private set; }public Enemy(string emoji, Point position){Emoji = emoji;Bounds = new Rectangle(position, new Size(EnemySize, EnemySize));}public void Update(){Bounds = new Rectangle(Bounds.X, Bounds.Y + 4, Bounds.Width, Bounds.Height);}}}
}
end