public void addMagicDots(bool useRandom)
{
int seed = (int)DateTime.Now.Ticks;
while (_magicDots.Count < DENSITY)
{
seed += (int)DateTime.Now.Ticks;
Random r = new Random(seed);
double size = DOT_SIZE_MIN + (DOT_SIZE_MAX - DOT_SIZE_MIN) * r.NextDouble();
byte red = (byte)(COLOR_OFFSET + ((255 - COLOR_OFFSET) * r.NextDouble()));
byte green = (byte)(COLOR_OFFSET + ((255 - COLOR_OFFSET) * r.NextDouble()));
byte blue = (byte)(COLOR_OFFSET + ((255 - COLOR_OFFSET) * r.NextDouble()));
AirBubbleItem magicDot = new AirBubbleItem(red, green, blue, size);
magicDot.X = this.Width * r.NextDouble();
magicDot.Y = useRandom ? this.Height * r.NextDouble() : this.Height;
magicDot.CenterX = magicDot.X;
magicDot.UpSpeed = UP_SPEED_MIN + (UP_SPEED_MAX - UP_SPEED_MIN) * r.NextDouble();
magicDot.SwingRadius = SWING_RADIUS_MIN + (SWING_RADIUS_MAX - SWING_RADIUS_MIN) * r.NextDouble();
magicDot.SwingSpeed = (int)(SWING_SPEED_MIN + (SWING_SPEED_MAX - SWING_SPEED_MIN) * r.NextDouble());
magicDot.Counter = (int)(180 * r.NextDouble());;
magicDot.Run();
_magicDots.Add(magicDot);
LayoutRoot.Children.Add(magicDot);
}
}
void moveMagicDots()
{
for (int i = _magicDots.Count - 1; i >= 0; i--)
{
AirBubbleItem magicDot = _magicDots[i];
magicDot.Run();
if (magicDot.Y + DOT_SIZE_MAX < 0)
{
LayoutRoot.Children.Remove(magicDot);
_magicDots.Remove(magicDot);
}
}
addMagicDots(false);
}