SilverLight练习，移动方块的小游戏(源代码）

概述测试页面在这里，http://silverlight.services.live.com/invoke/84388/MoveBlock/iframe.html   代码如下:   using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Wi

测试页面在这里，http://silverlight.services.live.com/invoke/84388/MoveBlock/iframe.html

 

代码如下:

 

using System; using System.windows; using System.windows.Controls; using System.windows.input; using System.windows.Media; using System.windows.Shapes; using System.windows.Threading; namespace Escapa {     public partial class Page : UserControl     {         private Rectangle blackRect = new Rectangle();         private Rectangle whiteRect = new Rectangle();         private Rectangle blueRect1 = new Rectangle();         private Rectangle blueRect2 = new Rectangle();         private Rectangle blueRect3 = new Rectangle();         private Rectangle blueRect4 = new Rectangle();         private Rectangle redRect = new Rectangle();         private TextBlock readme = new TextBlock();         private dispatcherTimer timer = new dispatcherTimer();         private DateTime startTime;         private voID defaultValue()         {             this.blackRect.Height = 452; this.blackRect.WIDth = 452;             this.blackRect.SetValue(Canvas.leftProperty, 0.0);             this.blackRect.SetValue(Canvas.topProperty, 0.0);             this.blackRect.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0, 0));             this.whiteRect.Height = 349; this.whiteRect.WIDth = 349;             this.whiteRect.SetValue(Canvas.leftProperty, 46.0);             this.whiteRect.SetValue(Canvas.topProperty, 46.0);             this.whiteRect.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0xFF, 0xFF));             this.whiteRect.HorizontalAlignment = HorizontalAlignment.Center;             this.VerticalAlignment = VerticalAlignment.Center;             this.blueRect1.Height = 62;             this.blueRect1.WIDth = 62;             this.blueRect1.SetValue(Canvas.leftProperty, 68.0);             this.blueRect1.SetValue(Canvas.topProperty, 66.0);             this.blueRect1.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0x0F, 0x6F, 0xFF));             this.blueRect2.Height = 52;             this.blueRect2.WIDth = 62;             this.blueRect2.SetValue(Canvas.leftProperty, 268.0);             this.blueRect2.SetValue(Canvas.topProperty, 56.0);             this.blueRect2.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0xFF));             this.blueRect3.Height = 62;             this.blueRect3.WIDth = 32;             this.blueRect3.SetValue(Canvas.leftProperty, 68.0);             this.blueRect3.SetValue(Canvas.topProperty, 316.0);             this.blueRect3.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0xFF));             this.blueRect4.Height = 22;             this.blueRect4.WIDth = 98;             this.blueRect4.SetValue(Canvas.leftProperty, 298.0);             this.blueRect4.SetValue(Canvas.topProperty, 326.0);             this.blueRect4.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0xFF));             this.redRect.Height = 41;             this.redRect.WIDth = 41;             this.redRect.SetValue(Canvas.leftProperty, 204.0);             this.redRect.SetValue(Canvas.topProperty, 202.0);             this.redRect.Fill = new SolIDcolorBrush(color.FromArgb(0xFF, 0));             this.xs = 3.0;  //默认横移动速度             this.ys = 2.0;  //默认竖移动速度         }         /// <summary>一横一竖线是否相交</summary>         /// <param name="hx1">横线左</param>         /// <param name="hx2">横线右</param>         /// <param name="hy">横线y</param>         /// <param name="vy1">竖线高</param>         /// <param name="vy2">竖线低</param>         /// <param name="vx">竖线x</param>         /// <returns></returns>         private bool IslineCross(double hx1, double hx2, double hy, double vy1, double vy2, double vx)         {             return (vy1 < hy) && (vy2 > hy) && (hx1 < vx) && (hx2 > vx);         }         private bool IsRectCross(Rectangle r1, Rectangle r2)         {             double x11 = (double)r1.GetValue(Canvas.leftProperty);             double y11 = (double)r1.GetValue(Canvas.topProperty);             double x12 = x11 + r1.WIDth;             double y12 = y11 + r1.Height;             double x21 = (double)r2.GetValue(Canvas.leftProperty);             double y21 = (double)r2.GetValue(Canvas.topProperty);             double x22 = x21 + r2.WIDth;             double y22 = y21 + r2.Height;             return                 IslineCross(x11, x12, y11, y21, y22, x21)       //横上 竖左                 || IslineCross(x11, x22)    //横上 竖右                 || IslineCross(x11, y12, x21)    //横下 竖左                 || IslineCross(x11, x22)    //横下 竖右                 || IslineCross(x21, x22, x11)    //横上 竖左                 || IslineCross(x21, x12)    //横上 竖右                 || IslineCross(x21, x11)    //横下 竖左                 || IslineCross(x21, x12)    //横下 竖右                 ;         }         public Page()         {             InitializeComponent();             Canvas canvas = new Canvas();             this.LayoutRoot.Children.Add(canvas);             canvas.Children.Add(this.blackRect);             canvas.Children.Add(this.whiteRect);             canvas.Children.Add(this.blueRect1);             canvas.Children.Add(this.blueRect2);             canvas.Children.Add(this.blueRect3);             canvas.Children.Add(this.blueRect4);             canvas.Children.Add(this.redRect);             canvas.Children.Add(readme);             readme.Foreground = new SolIDcolorBrush(color.FromArgb(255, 255, 100, 180));             readme.FontSize = 20;             readme.Text = "在白色范围内移动红色方块，避免碰到蓝色方块";             this.defaultValue();             this.timer.Interval = new TimeSpan(0, 1);             this.timer.Tick += new EventHandler(timer_Tick);             this.redRect.MouseleftbuttonDown += new MousebuttonEventHandler(redRect_MouseleftbuttonDown);             this.redRect.MouseMove += new MouseEventHandler(redRect_MouseMove);             this.redRect.MouseleftbuttonUp += new MousebuttonEventHandler(redRect_MouseleftbuttonUp);         }         private voID CheckFinish()         {             //判断出白界             double redx = (double)this.redRect.GetValue(Canvas.leftProperty);             double redy = (double)this.redRect.GetValue(Canvas.topProperty);             double whitex = (double)this.whiteRect.GetValue(Canvas.leftProperty);             double whitey = (double)this.whiteRect.GetValue(Canvas.topProperty);             //判断红蓝碰撞             if (redx < whitex || redx + this.redRect.WIDth > whitex + this.whiteRect.WIDth) this.Finish();             if (redy < whitey || redy + this.redRect.Height > whitey + this.whiteRect.Height) this.Finish();             if (                 IsRectCross(this.redRect, this.blueRect1) ||                 IsRectCross(this.redRect, this.blueRect2) ||                 IsRectCross(this.redRect, this.blueRect3) ||                 IsRectCross(this.redRect, this.blueRect4)                 )             {                 this.Finish();             }         }         private voID Finish()         {             this.isMouseDown = false;             this.redRect.ReleaseMouseCapture();             MessageBox.Show(string.Format("{0}秒", (DateTime.Now - this.startTime).TotalSeconds));             this.timer.Stop();             this.readme.Visibility = Visibility.Visible;             this.defaultValue();         }         //4个蓝色方块的移动方向         private int fx1 = 1; private int fy1 = 1;         private int fx2 = -1; private int fy2 = 1;         private int fx3 = 1; private int fy3 = -1;         private int fx4 = -1; private int fy4 = -1;         private double xs;         private double ys;         voID timer_Tick(object sender, EventArgs e)         {             double v1x = (double)this.blueRect1.GetValue(Canvas.leftProperty);             double v1y = (double)this.blueRect1.GetValue(Canvas.topProperty);             double v2x = (double)this.blueRect2.GetValue(Canvas.leftProperty);             double v2y = (double)this.blueRect2.GetValue(Canvas.topProperty);             double v3x = (double)this.blueRect3.GetValue(Canvas.leftProperty);             double v3y = (double)this.blueRect3.GetValue(Canvas.topProperty);             double v4x = (double)this.blueRect4.GetValue(Canvas.leftProperty);             double v4y = (double)this.blueRect4.GetValue(Canvas.topProperty);             v1x += xs * fx1; v1y += ys * fy1;             v2x += xs * fx2; v2y += ys * fy2;             v3x += xs * fx3; v3y += ys * fy3;             v4x += xs * fx4; v4y += ys * fy4;             if (v1x < 0 || v1x > this.blackRect.WIDth - this.blueRect1.WIDth) fx1 *= -1;             if (v1y < 0 || v1y > this.blackRect.Height - this.blueRect1.Height) fy1 *= -1;             if (v2x < 0 || v2x > this.blackRect.WIDth - this.blueRect2.WIDth) fx2 *= -1;             if (v2y < 0 || v2y > this.blackRect.Height - this.blueRect2.Height) fy2 *= -1;             if (v3x < 0 || v3x > this.blackRect.WIDth - this.blueRect3.WIDth) fx3 *= -1;             if (v3y < 0 || v3y > this.blackRect.Height - this.blueRect3.Height) fy3 *= -1;             if (v4x < 0 || v4x > this.blackRect.WIDth - this.blueRect4.WIDth) fx4 *= -1;             if (v4y < 0 || v4y > this.blackRect.Height - this.blueRect4.Height) fy4 *= -1;             this.blueRect1.SetValue(Canvas.leftProperty, v1x);             this.blueRect1.SetValue(Canvas.topProperty, v1y);             this.blueRect2.SetValue(Canvas.leftProperty, v2x);             this.blueRect2.SetValue(Canvas.topProperty, v2y);             this.blueRect3.SetValue(Canvas.leftProperty, v3x);             this.blueRect3.SetValue(Canvas.topProperty, v3y);             this.blueRect4.SetValue(Canvas.leftProperty, v4x);             this.blueRect4.SetValue(Canvas.topProperty, v4y);             //每次速度提升1/1000             this.xs *= 1.001;             this.ys *= 1.001;             this.CheckFinish();         }         private double beginX;         private double beginY;         private bool isMouseDown;         voID redRect_MouseleftbuttonDown(object sender, MousebuttonEventArgs e)         {             this.beginX = e.Getposition(null).X;             this.beginY = e.Getposition(null).Y;             this.isMouseDown = true;             ((UIElement)sender).CaptureMouse();             if (this.timer.IsEnabled == false)             {                 this.timer.Start();  //开始移动                 this.readme.Visibility = Visibility.Collapsed;                 this.startTime = DateTime.Now;             }         }         voID redRect_MouseMove(object sender, MouseEventArgs e)         {             if (isMouseDown == true)             {                 double currX = e.Getposition(null).X;                 double currY = e.Getposition(null).Y;                 double currleft = (double)((UIElement)sender).GetValue(Canvas.leftProperty);                 double currtop = (double)((UIElement)sender).GetValue(Canvas.topProperty);                 ((UIElement)sender).SetValue(Canvas.leftProperty, currleft + currX - beginX);                 ((UIElement)sender).SetValue(Canvas.topProperty, currtop + currY - beginY);                 this.beginX = currX;                 this.beginY = currY;             }         }         voID redRect_MouseleftbuttonUp(object sender, MousebuttonEventArgs e)         {             this.isMouseDown = false;             ((UIElement)sender).ReleaseMouseCapture();         }     } } 总结

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