/// <summary>
/// draws bubbles on the colorFrame
/// </summary>
/// <param name="bubble"></param>
/// <param name="drawingContext"></param>
private static void DrawBubble(Bubble bubble, DrawingContext drawingContext)
{
Color white = new Color();
white = Color.FromArgb(100, 255, 255, 255);
Brush brush = new RadialGradientBrush(white, bubble.BubbleColor);
Pen pen = new Pen(new SolidColorBrush(Color.FromArgb(150, 0, 0, 0)), 5);
drawingContext.DrawEllipse(brush, pen, new Point(bubble.BubblePosition.X, bubble.BubblePosition.Y), bubble.BubbleSize, bubble.BubbleSize);
}
/// <summary>
/// checks if gesture matches with bubble colors
/// </summary>
/// <param name="handState"></param>
/// <param name="bubble"></param>
/// <returns></returns>
private bool gestureMatches(HandState handState, Bubble bubble)
{
switch (handState)
{
case HandState.Open:
return(bubble.BubbleColor.G.Equals(bubbleColorGreen.G));
case HandState.Lasso:
return(bubble.BubbleColor.B.Equals(bubbleColorBlue.B));
case HandState.Closed:
return(bubble.BubbleColor.R.Equals(bubbleColorRed.R));
default:
return(false);
}
}
/// <summary>
/// spwan bubbles with random properties at random locations
/// </summary>
private void spawnBubbles()
{
try
{
DateTime now = DateTime.Now;
lock (Bubbles)
{
if ((lastBubbleSpawnedAt == null || now - lastBubbleSpawnedAt >= new TimeSpan(0, 0, 0, 0, bubbleSpawnRate)))
{
Bubble bubble = new Bubble(randomColor(), randomPosition(), rnd.Next(bubbleMinRadius, bubbleMaxRadius + 1), rnd.Next(bubbleMinTime, bubbleMaxTime + 1));
this.Bubbles.Add(bubble);
lastBubbleSpawnedAt = now;
}
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// detects collisions between bubbles and hands and adds score to the player
/// </summary>
private bool detectCollision(Player player, Bubble bubble)
{
Point leftHand = this.window.getPoint(JointType.HandLeft, player.body);
Point rightHand = this.window.getPoint(JointType.HandRight, player.body);
if ((Point.Subtract(leftHand, bubble.BubblePosition).Length < window.HandSize + bubble.BubbleSize && gestureMatches(player.body.HandLeftState, bubble)) ||
(Point.Subtract(rightHand, bubble.BubblePosition).Length < window.HandSize + bubble.BubbleSize && gestureMatches(player.body.HandRightState, bubble)))
{
double bubbleRadiusRange = (this.bubbleMaxRadius - this.bubbleMinRadius);
double bubbleTimeRange = (this.bubbleMaxTime - this.bubbleMinTime);
player.score += (int)(10 + 45 * (1.0 / bubbleRadiusRange * bubble.BubbleSize - (this.bubbleMinRadius / bubbleRadiusRange)) +
45 * (1.0 / bubbleTimeRange * bubble.TimeToDisappear - (this.bubbleMinTime / bubbleTimeRange)));
Console.WriteLine(player.body.TrackingId + ": Score " + player.score);
this.popSound.Play();
return(true);
}
return(false);
}
/// <summary>
/// checks if the bubbles should disappear
/// </summary>
/// <param name="bubble"></param>
/// <returns></returns>
private static bool shouldDespawn(Bubble bubble)
{
return(DateTime.Now - bubble.Created > new TimeSpan(0, 0, 0, 0, bubble.TimeToDisappear));
}