/// <summary>
/// Adds a child to a sequence or group
/// </summary>
/// <param name="child">child to add</param>
public Animation Child(Animation child)
{
if (child._parent != null)
{
throw new ArgumentException("Child already has a parent");
}
child.SetParent(this);
return(this);
}
/// <summary>
/// Stop the given animation.
/// </summary>
/// <param name="anim"></param>
private static void Stop(Animation anim)
{
if ((anim._flags & Flags.Stopping) == Flags.Stopping)
{
return;
}
anim._flags |= Flags.Stopping;
// Stop all children
while (anim._firstChild != null)
{
Stop(anim._firstChild);
}
anim.SetParent(null);
anim.IsActive = false;
var onStop = anim._onStop;
var target = anim._target;
// Free the animation
FreeAnimation(anim);
// Auto-destroy the node
if (anim.IsAutoDestroy)
{
if (target is Node node)
{
node.Destroy();
}
}
// Call onStop
onStop?.Invoke();
}
