/// <summary>
/// Иговой цикл на экране с меню - падающие крисстальчики на фоне
/// </summary>
private void UpdateGems()
{
if (CCRandom.NextDouble() < 0.02)
{
var type = CCRandom.GetRandomInt(0, 4);
var sprite = new CCSprite("crystalscrystals/" + type + ".png");
var x = CCRandom.NextDouble() * CCDirector.SharedDirector.WinSize.Width + Constants.KGemSize / 2;
var y = CCDirector.SharedDirector.WinSize.Height + Constants.KGemSize / 2;
var scale = 0.2 + 0.8 * CCRandom.NextDouble();
var speed = 2 * scale * Constants.KGemSize / 40;
sprite.Position = new CCPoint((float)x, (float)y);
sprite.Scale = (float)scale;
_fallingGems.Add(sprite, (float)speed);
_background.AddChild(sprite);
}
var gems = _fallingGems.Keys.ToArray();
foreach (var gem in gems)
{
var speed = _fallingGems[gem];
var pos = gem.Position;
gem.Position = pos - new CCPoint(0, speed);
if (pos.Y < -Constants.KGemSize / 2)
{
_background.RemoveChild(gem, true);
_fallingGems.Remove(gem);
}
}
}
