除了游戏本身以外，所有菜单都可以正常使用。 当我尝试将内容切换到包含游戏的页面时，它全部空白！ 我已经将游戏作为主页面进行了测试，但是当我从另一个页面进入游戏时，它只会变成空白。我会发布游戏代码
编辑：我做了一些调试，我修改了一些代码，现在我可以打开游戏窗口，通过调试程序，我可以看到该类完成了它应该做的一切。唯一的问题是它没有识别我的键盘，如果我从游戏板开始作为我的主页，它一切正常，但如果我从另一个菜单切换到它，游戏板显示，但控件不工作。任何提示？using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Threading;
using System.Windows.Interop;
namespace Pong
{
public partial class Page : UserControl
{
public int MaxScore = 5;
public String [] names = new String [2];
public bool Playing = false;
public double MouseScaleY = 0.0;
public bool[] KeysDown = new bool[256];
public SilverlightHost appHost = Application.Current.Host;
public Random random = new Random();
public DispatcherTimer timer = new DispatcherTimer();
//passar os nomes dos jogadores, a dificuldade e o max score no construtor de PAGE
//depois é so actualizar a label do max Score e a dos nomes ( no metodo onde diz Player One wins !!) uheueh
public Page() //String p1, String p2, int maxScore
{
InitializeComponent();
//setmaxScore(maxScore);
//names[0] = p1;
//names[1] = p2;
this.Loaded += new RoutedEventHandler(Page_Loaded);
}
public void setmaxScore(int score)
{
this.MaxScore = score;
}
public void Page_Loaded(object sender, RoutedEventArgs e)
{
timer.Interval = TimeSpan.FromMilliseconds(20);
timer.Tick += new EventHandler(timer_Tick);
timer.Start();
this.KeyDown += new KeyEventHandler(Page_KeyDown);
this.KeyUp += new KeyEventHandler(Page_KeyUp);
//this.MouseMove += new MouseEventHandler(Page_MouseMove);
//this.MouseLeftButtonUp += new MouseButtonEventHandler(Page_MouseLeftButtonUp);
Round_Reset();
}
public void timer_Tick(object sender, EventArgs e)
{
Game_HandleInput();
//Game_RunAI();
PlayerOne.Move();
PlayerTwo.Move();
Ball.Move();
Game_CheckCollisions();
}
#region AI
public void Game_RunAI()
{
double intersectPoint = 300; //default to centre
if (Ball.XVel > 0) //coming towards us
{
intersectPoint = Ball.Y + 10; // center of ball
}
if (intersectPoint <= (PlayerTwo.Y + 50))
{
PlayerTwo.Y -= Math.Min(10.0, (PlayerTwo.Y + 50) - intersectPoint);
}
if (intersectPoint >= (PlayerTwo.Y + 50))
{
PlayerTwo.Y += Math.Min(10.0, intersectPoint - (PlayerTwo.Y + 50));
}
}
#endregion
public void Game_HandleInput()
{
if (KeysDown[(int)Key.Up])
{
PlayerOne.Y -= 10.0;
}
if (KeysDown[(int)Key.Down])
{
PlayerOne.Y += 10.0;
}
if (KeysDown[(int)Key.W])
{
PlayerTwo.Y -= 10.0;
}
if (KeysDown[(int)Key.S])
{
PlayerTwo.Y += 10.0;
}
if (KeysDown[(int)Key.Space])
{
Game_HandleSpacekey();
}
}
public void Game_CheckCollisions()
{
// Bouncing off the top and bottom walls
if ((Ball.Y <= 0) || (Ball.Y >= 580))
Ball.BounceY();
// Has the ball gone far enough to left or right to score a point?
if (Ball.X <= 0)//PlayerOne.X)
{
//ball is past playerOne's paddle, player two scores a point
int playerTwoScore = Convert.ToInt32(PlayerTwoScore.Text);
playerTwoScore++;
PlayerTwoScore.Text = playerTwoScore.ToString();
if (playerTwoScore >= MaxScore)
{
GameWonMessage_Show("Player Two Wins!");
}
Round_Reset();
}
else if ((Ball.X + Ball.Width) >= 800) //(PlayerTwo.X + PlayerTwo.Width))
{
//ball is past player two's paddle, player one scores a point
int playerOneScore = Convert.ToInt32(PlayerOneScore.Text);
playerOneScore++;
PlayerOneScore.Text = playerOneScore.ToString();
if (playerOneScore >= MaxScore)
{
GameWonMessage_Show("Player One Wins!");
}
Round_Reset();
}
//check whether Y values can intersect
if ((Ball.Y + Ball.Height) >= PlayerOne.Y &&
Ball.Y <= (PlayerOne.Y + PlayerOne.Height))
{
if (Ball.XVel < 0)
{
double ballX = Ball.X;
if (Math.Abs(ballX - (PlayerOne.X + PlayerOne.Width)) < 10)
{
Ball.BounceX();
Ball.ApplyMoment(0.0, PlayerOne.Y - PlayerOne.PrevY);
}
}
}
//check whether Y values can intersect
if ((Ball.Y + Ball.Height) >= PlayerTwo.Y &&
Ball.Y <= (PlayerTwo.Y + PlayerTwo.Height))
{
if (Ball.XVel > 0)
{
double ballX = Ball.X + Ball.Width;
if (Math.Abs(ballX - PlayerTwo.X) < 10)
{
Ball.BounceX();
Ball.ApplyMoment(0.0, PlayerTwo.Y - PlayerTwo.PrevY);
}
}
}
}
public void Game_HandleSpacekey()
{
if (NewGameMessage.Opacity > 0.99999)
{
NewGameMessage_SlideOut.Begin();
// BlackOut_Hide();
}
else if (GameWonMessage.Opacity > 0.99999)
{
//GameWonMessage_Hide();
this.Content = new Play();
// Game_Reset();
//EM VEZ DE FAZERMOS GAME RESET , VAMOS PARA O MENU PRINCIPAL
}
else if (GameWonMessage.Opacity > 0.00001 ||
NewGameMessage.Opacity > 0.00001)
{
//This space intentionally left blank.
}
else
{
Round_Start();
}
}
public void Game_Reset()
{
PlayerOneScore.Text = "0";
PlayerTwoScore.Text = "0";
Round_Reset();
}
public void Round_Start()
{
if (!Playing)
{
double direction = 0.0;
bool okDirection = false;
int nrTries = 0;
while (!okDirection && nrTries < 10)
{
direction = random.NextDouble() * (2 * Math.PI);
okDirection = true;
if (Math.Abs(direction - (0.5 * Math.PI)) < 0.7 ||
Math.Abs(direction - (1.5 * Math.PI)) < 0.7)
{
okDirection = false;
}
nrTries++;
}
double speed = (random.NextDouble() + 1) * 10;
Ball.XVel = speed * Math.Cos(direction);
Ball.YVel = speed * Math.Sin(direction);
//marker.X2 = 400 + Ball.XVel; marker.Y2 = 300 + Ball.YVel;
Playing = true;
}
}
public void Round_Reset()
{
Ball.X = 390;
Ball.Y = 290;
Ball.XVel = Ball.YVel = 0;
PlayerOne.Y = PlayerTwo.Y = 250;
Playing = false;
}
void Page_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
Game_HandleSpacekey();
e.Handled = true;
}
void Page_MouseMove(object sender, MouseEventArgs e)
{
PlayerOne.Y = (e.GetPosition(this).Y) - 50;
}
void Page_KeyDown(object sender, KeyEventArgs e)
{
KeysDown[(int)e.Key] = true;
e.Handled = true;
}
void Page_KeyUp(object sender, KeyEventArgs e)
{
KeysDown[(int)e.Key] = false;
e.Handled = true;
}
public void GameWonMessage_Show(string text)
{
BlackOut_Show();
GameWonMessage.WinnerText.Text = text;
GameWonMessage.IsHitTestVisible = true;
GameWonMessage_SlideIn.Begin();
}
public void GameWonMessage_Hide()
{
GameWonMessage_SlideOut.Begin();
GameWonMessage.IsHitTestVisible = false;
BlackOut_Hide();
}
public void BlackOut_Show()
{
BlackOut.IsHitTestVisible = true;
}
public void BlackOut_Hide()
{
BlackOut.IsHitTestVisible = false;
}
#region Obsolete - Resizing code
void Content_FullScreenChanged(object sender, EventArgs e)
{
Content_Resized(null, null);
}
void Content_Resized(object sender, EventArgs e)
{
if ((appHost.Content.ActualHeight >= 600) &&
(appHost.Content.ActualWidth >= 800))
{
double scaleX = appHost.Content.ActualWidth / 800;
double scaleY = appHost.Content.ActualHeight / 600;
double scale = Math.Min(scaleX, scaleY);
MouseScaleY = scaleY;
this.Width = LayoutRoot.Width = appHost.Content.ActualWidth;
this.Height = LayoutRoot.Height = appHost.Content.ActualHeight;
//BoardScale.ScaleX = BoardScale.ScaleY = scale;
//BoardTranslate.X = ((appHost.Content.ActualWidth / scale) - 800) / 2;
//BoardTranslate.Y = ((appHost.Content.ActualHeight / scale) - 600) / 2;
BlackOut.Width = LayoutRoot.Width;
BlackOut.Height = LayoutRoot.Height;
//BlackOutScale.ScaleX = scaleX;
//BlackOutScale.ScaleY = scaleY;
//BlackOutTranslate.X = -BoardTranslate.X;
//BlackOutTranslate.Y = -BoardTranslate.Y;
}
}