private static void AddAnimation(AnimationBase animation)
{
if (counter % 50 == 0)
{
var toBeDeleted = new Collection <WeakReference>();
foreach (var i in allAnimations)
{
if (!i.IsAlive)
{
toBeDeleted.Add(i);
}
}
foreach (var i in toBeDeleted)
{
allAnimations.Remove(i);
}
}
counter++;
allAnimations.Add(new WeakReference(animation));
}
protected AnimationBase()
{
AnimationBase.AddAnimation(this);
}