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上传时间: 2010-04-22
详细说明： 给初学者的简单例题！ private System.ComponentModel.IContainer components; private const int kNumberOfRows = 8; private const int kNumberOfTries = 3; private int NumTotalBricks = 0; private int NumBalls = 0; private Ball TheBall = new Ball(); private Paddle ThePaddle = new Paddle(); private System.Windows.Forms.Timer timer1; private Row[] Rows = new Row[kNumberOfRows]; private Score TheScore = null; private Thread oThread = null; [DllImpor t("winmm.dll")] public static extern long PlaySound(String lpszName, long hModule, long dwFlags); public Form1() { // // Required for Windows Form Designer support // InitializeComponent(); for (int i = 0; i < kNumberOfRows; i++) { Rows[i] = new Row(i); } ThePaddle.Position.X = 5; ThePaddle.Position.Y = this.ClientRectangle.Bottom - ThePaddle.Height; TheBall.Position.Y = this.ClientRectangle.Bottom - 200; this.SetBounds(this.Left, this.Top, Rows[0].GetBounds().Width, this.Height); TheScore = new Score(ClientRectangle.Right - 50, ClientRectangle.Bottom - 180); // choose Level SpeedDialog dlg = new SpeedDialog(); if (dlg.ShowDialog() == DialogResult.OK) { timer1.Interval = dlg.Speed; } // // TODO: Add any constructor code after InitializeComponent call // } /// /// Clean up any resources being used. /// protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } private string m_strCurrentSoundFile = "BallOut.wav"; public void PlayASound() { if (m_strCurrentSoundFile.Length > 0) { PlaySound(Application.StartupPath + "\\" + m_strCurrentSoundFile, 0, 0); } m_strCurrentSoundFile = ""; oThread.Abort(); } public void PlaySoundInThread(string wavefile) { m_strCurrentSoundFile = wavefile; oThread = new Thread(new ThreadStart(PlayASound)); oThread.Start(); } #region Windows Form Designer generated code /// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.timer1 = new System.Windows.Forms.Timer(this.components); // // timer1 // this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(552, 389); this.KeyPreview = true; this.Name = "Form1"; this.Text = "Brick Out"; this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyDown); this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint); } #endregion /// /// The main entry point for the application. /// [STAThread] static void Main() { Application.Run(new Form1()); } private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; g.FillRectangle(Brushes.White, 0, 0, this.ClientRectangle.Width, this.ClientRectangle.Height); TheScore.Draw(g); ThePaddle.Draw(g); DrawRows(g); TheBall.Draw(g); } private void DrawRows(Graphics g) { for (int i = 0; i < kNumberOfRows; i++) { Rows[i].Draw(g); } } private void CheckForCollision() { if (TheBall.Position.X < 0) // hit the left side, switch polarity { TheBall.XStep *= -1; TheBall.Position.X += TheBall.XStep; PlaySoundInThread("WallHit.wav"); } if (TheBall.Position.Y < 0) // hit the top of the form, switch polarity { TheBall.YStep *= -1; TheBall.Position.Y += TheBall.YStep; PlaySoundInThread("WallHit.wav"); } if (TheBall.Position.X > this.ClientRectangle.Right - TheBall.Width ) // hit the left side, switch polarity { TheBall.XStep *= -1; TheBall.Position.X += TheBall.XStep; PlaySoundInThread("WallHit.wav"); } if (TheBall.Position.Y > this.ClientRectangle.Bottom - TheBall.YStep) // lost the ball! { IncrementGameBalls(); Reset(); PlaySoundInThread("BallOut.wav"); } if (RowsCollide(TheBall.Position)) { TheBall.YStep *= -1; PlaySoundInThread("BrickHit.wav"); } int hp = HitsPaddle(TheBall.Position); if (hp > -1)// lost the ball! { PlaySoundInThread("PaddleHit.wav"); switch (hp) { case 1: TheBall.XStep = -7; TheBall.YStep = -3; break; case 2: TheBall.XStep = -5; TheBall.YStep = -5; break; case 3: TheBall.XStep = 5; TheBall.YStep = -5; break; default: TheBall.XStep = 7; TheBall.YStep = -3; break; } } } private int HitsPaddle(Point p) { Rectangle PaddleRect = ThePaddle.GetBounds(); if (p.Y >= this.ClientRectangle.Bottom - (PaddleRect.Height + TheBall.Height) ) { if ((p.X > PaddleRect.Left) && (p.X < PaddleRect.Right)) { if ((p.X > PaddleRect.Left) && (p.X <= PaddleRect.Left + PaddleRect.Width/4)) return 1; else if ((p.X > PaddleRect.Left + PaddleRect.Width/4) && (p.X <= PaddleRect.Left + PaddleRect.Width/2)) return 2; else if ((p.X > PaddleRect.Left + PaddleRect.Width/2) && (p.X <= PaddleRect.Right - PaddleRect.Width/2)) return 3; else return 4; } } return -1; } private void IncrementGameBalls() { NumBalls++; if (NumBalls >= kNumberOfTries) { timer1.Stop(); string msg = "Game Over\nYou knocked out " + NumTotalBricks; if (NumTotalBricks == 1) msg += " brick."; else msg += " bricks."; MessageBox.Show(msg); Application.Exit(); } } private void Reset() { TheBall.XStep = 5; TheBall.YStep = 5; TheBall.Position.Y = this.ClientRectangle.Bottom - 190; TheBall.Position.X = 5; timer1.Stop(); TheBall.UpdateBounds(); Invalidate(TheBall.GetBounds()); } private int SumBricks () { int sum = 0; for (int i = 0; i < kNumberOfRows; i++) { sum += Rows[i].BrickOut; } return sum; } private bool RowsCollide (Point p) { for (int i = 0; i < kNumberOfRows; i++) { if (Rows[i].Collides(TheBall.GetBounds())) { Rectangle rRow = Rows[i].GetBounds(); Invalidate(rRow); return true; } } return false; } private void timer1_Tick(object sender, System.EventArgs e) { TheBall.UpdateBounds(); Invalidate(TheBall.GetBounds()); TheBall.Move(); TheBall.UpdateBounds(); Invalidate(TheBall.GetBounds()); CheckForCollision(); NumTotalBricks = SumBricks(); TheScore.Count = NumTotalBricks; Invalidate(TheScore.GetFrame()); if (NumTotalBricks == kNumberOfRows*Row.kNumberOfBricks) { timer1.Stop(); MessageBox.Show("You Win! You knocked out all the bricks!"); Application.Exit(); } } private void Form1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { string result = e.KeyData.ToString(); Invalidate(ThePaddle.GetBounds()); switch (result) { case "Left": ThePaddle.MoveLeft(); Invalidate(ThePaddle.GetBounds()); if (timer1.Enabled == false) timer1.Start(); break; case "Right": ThePaddle.MoveRight(ClientRectangle.Right); Invalidate(ThePaddle.GetBounds()); if (timer1.Enabled == false) timer1.Start(); break; default: break; } } ...展开收缩
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