private void DrawBuildingFlame(double x, double y, double life, double maxLife, Sprite sprite, byte?alpha = null)
{
var healthK = life / maxLife;
if (healthK < 0.51)
{
int numbers = Enum.GetValues(typeof(BigFlameSprite)).Cast <BigFlameSprite>().Count();
sprite = Sprites.BigFlame((BigFlameSprite)((index / 2) % numbers));
}
else if (healthK < 0.75)
{
int numbers = Enum.GetValues(typeof(SmallFlameSprite)).Cast <SmallFlameSprite>().Count();
sprite = Sprites.SmallFlame((SmallFlameSprite)((index / 2) % numbers));
}
if (alpha.HasValue)
{
sprite.Color = new Color(255, 255, 255, alpha.Value);
}
DrawGameUnitSprite(sprite, x, y);
}