Exemplo n.º 1
0
 /// <summary>
 /// The RetrieveBall method is called to remove the ball from the wheel.
 /// </summary>
 public void RetrieveBall()
 {
     _ballControl.Visibility = Visibility.Hidden;
     OnBallTossed?.Invoke(false);    // Publish the status of the ball - the ball is no longer in the wheel.
 }
Exemplo n.º 2
0
        /// <summary>
        /// The TossBall method is called to toss the ball.
        /// </summary>
        public void TossBall()
        {
            try
            {
                if (_ballStoryBoard == null)
                {
                    // Initialize the story board.
                    _ballStoryBoard            = new Storyboard();
                    _ballStoryBoard.Completed += new EventHandler(BallStopped);
                }
                else if (_ballStoryBoard.GetCurrentState(_ballControl) == ClockState.Stopped || _ballStoryBoard.GetIsPaused(_ballControl))
                {
                    return; // Ball is already moving or is paused - do not spin.
                }

                // Ball spinning animation 1.
                if (_ballSpinningAnimation1 == null)
                {
                    // Initialize the ball spinning animation.
                    _ballSpinningAnimation1            = new DoubleAnimation();
                    _ballSpinningAnimation1.SpeedRatio = Constants.BallSpeedRatio;
                    Storyboard.SetTargetName(_ballSpinningAnimation1, Constants.BallRotateTransformName);
                    Storyboard.SetTargetProperty(_ballSpinningAnimation1, new PropertyPath(RotateTransform.AngleProperty));
                    _ballStoryBoard.Children.Add(_ballSpinningAnimation1);  // Add the animation to the story board.
                }
                // Number of rotations in total degrees - multiply by ball speed ratio (positive degrees for clockwise).
                _ballSpinningAnimation1.From = 0;
                _ballSpinningAnimation1.To   = _winningNumberEndAngleDegrees + (Constants.FullCircleDegrees * Constants.BallSpeedRatio);
                // Duration of spin seconds - multiply by ball speed ratio.
                TimeSpan ballSpinningDuration = _wheelSpinningAnimation1EndTime.Subtract(DateTime.Now);
                _ballSpinningAnimation1.Duration = TimeSpan.FromSeconds(ballSpinningDuration.TotalSeconds * Constants.BallSpeedRatio);

                // Ball falling animation.
                if (_ballFallingAnimation == null)
                {
                    // Initialize the ball falling animation.
                    _ballFallingAnimation            = new DoubleAnimation();
                    _ballFallingAnimation.SpeedRatio = Constants.BallSpeedRatio;
                    Storyboard.SetTargetName(_ballFallingAnimation, Constants.BallTranslateTransformName);
                    Storyboard.SetTargetProperty(_ballFallingAnimation, new PropertyPath(TranslateTransform.YProperty));
                    _ballStoryBoard.Children.Add(_ballFallingAnimation);  // Add the animation to the story board.
                }
                // Distance for the ball to fall in pixels.
                _ballFallingAnimation.From = _ballCenterPositionYPixels - _ballYOffsetPixels;   // Start at the top-edge of the wheel.
                _ballFallingAnimation.To   = _ballCenterPositionYPixels - (_ballYOffsetPixels * Constants.BallFallPercent);
                // Duration of fall in seconds - same as rotation duration.
                _ballFallingAnimation.Duration = _ballSpinningAnimation1.Duration;

                // Ball spinning animation 2.
                if (_ballSpinningAnimation2 == null)
                {
                    // Initialize the ball spinning animation - it is a clone of the second wheel spinning animation.
                    _ballSpinningAnimation2 = _wheelSpinningAnimation2.Clone();
                    Storyboard.SetTargetName(_ballSpinningAnimation2, Constants.BallRotateTransformName);
                    Storyboard.SetTargetProperty(_ballSpinningAnimation2, new PropertyPath(RotateTransform.AngleProperty));
                    _ballStoryBoard.Children.Add(_ballSpinningAnimation2);  // Add the animation to the story board.
                }
                // Begin time - begins after the first ball spinning animation.
                _ballSpinningAnimation2.BeginTime = TimeSpan.FromSeconds(ballSpinningDuration.TotalSeconds);

                // Ball sound.
                if (_ballMediaTimeLine == null)
                {
                    _ballMediaTimeLine = new MediaTimeline();
                    //_ballMediaTimeLine.SpeedRatio = Constants.BallSpeedRatio;
                    _ballMediaTimeLine.FillBehavior = FillBehavior.Stop;
                    _ballMediaTimeLine.Source       = new Uri(Directory.GetCurrentDirectory() + Constants.BallAudioFile, UriKind.Relative);
                    Storyboard.SetTarget(_ballMediaTimeLine, _ballMediaElement);
                    _ballStoryBoard.Children.Add(_ballMediaTimeLine);
                }
                //_ballMediaTimeLine.Duration = TimeSpan.FromSeconds(ballSpinningDuration.TotalSeconds * Constants.BallSpeedRatio);
                _ballMediaTimeLine.Duration = TimeSpan.FromSeconds(ballSpinningDuration.TotalSeconds);

                _ballControl.Visibility = Visibility.Visible;
                _ballStoryBoard.Begin(_ballControl, true);  // Start the story board.
                OnBallTossed?.Invoke(true);                 // Publish the status of the ball.
            }
            catch (Exception ex)
            {
                throw new Exception("RouletteBall.TossBall(): " + ex.ToString());
            }
        }