private void Window_Idle(object sender, EventArgs e)
{
//update game data
gameData.updateInfo(camera.LastFrame);
//check for goals
for (int i = 0; i < balls.Count; i++)
{
Ball ball = balls[i];
if (Helper.isGoal(ball, goals))
{
//find the player who scored, increase his score
int index = players.IndexOf(ball.LastHit);
if (index != -1)
{
//make sure someone hit the ball
players[index].Score++;
if (Helper.gameIsOver(players[index], setup.MaxScore))
{
//if the game is over, display a label
Label label = new Label {
Content = setup.PlayerNames[index] + " wins the game!",
FontSize = 40,
FontFamily = new System.Windows.Media.FontFamily("Tahoma")
};
Canvas.SetLeft(label, (World.ActualWidth / 4) - label.ActualWidth);
Canvas.SetTop(label, (World.ActualHeight / 2) - label.ActualHeight);
World.Children.Add(label);
}
}
// Set ball in center of world and reinitialize the speeds. if there were multiple balls, remove the ball that scored instead
if (balls.Count == 1)
{
ResetBall(ball);
gameData.updateInfo(camera.LastFrame);
PauseResume();
}
else
{
World.Children.Remove(ball.Shape);
balls.Remove(ball);
}
}
}
//hand detection
using (Bitmap bmp = camera.LastFrame) {
if (bmp != null)
{
List <System.Drawing.Point> hands = Handdetection.GetHandLocations(Handdetection.imageBinarization(bmp, setup.Threshold, setup.Mirror), setup.Rectangles);
System.Drawing.Size s = bmp.Size;
Dispatcher.BeginInvoke(new Action(() => {
for (int i = 0; i < players.Count; i++)
{
Player player = players[i];
//determine which coordinate should be altered
if (player.Direction == 'Y')
{
if (hands[i].Y != 0)
{
double relativeValue = (double)hands[i].Y / s.Height;
//if the player is affected by a reverse powerup, invert position
if (player.ReverseTime > 0)
{
player.Beam.Y = World.ActualHeight - (relativeValue * World.ActualHeight);
}
else
{
player.Beam.Y = relativeValue * World.ActualHeight;
}
}
}
else
{
if (hands[i].X != 0)
{
double relativeValue = (double)hands[i].X / s.Width;
//if the player is affected by a reverse powerup, invert position
if (player.ReverseTime > 0)
{
player.Beam.X = World.ActualWidth - (relativeValue * World.ActualWidth);
}
else
{
player.Beam.X = relativeValue * World.ActualWidth;
}
}
}
}
}));
}
}
//ball collision
Physics p = new Physics(World, setup);
Ball b;
for (int i = 0; i < balls.Count; i++)
{
b = balls[i];
System.Windows.Point[] intersection = new System.Windows.Point[3];
try {
Dispatcher.Invoke(new Action(() => { intersection = p.Intersection(b); }));
if (!(intersection[0].X < 0))
{
b = p.BallCollisionBeam(b, intersection);
}
b = p.HandleSideCollisions(b);
} catch (Exception) { }
//ball movement
try {
Dispatcher.Invoke(new Action(() => { b.X += b.SpeedX; }));
} catch (Exception) { }
try {
Dispatcher.Invoke(new Action(() => { b.Y += b.SpeedY; }));
} catch (Exception) { }
//Handle powerups
try {
Dispatcher.Invoke(new Action(() => { p.HandlePowerups(b, players, powerups, balls); }));
} catch (Exception) { }
}
}
