Performance optimization for FlxTypedGroup.add()

gistfile1.txt

public function add(Object:T, Unsafe:Bool = false):T
	{
		if (Object == null)
		{
			FlxG.log.warn("Cannot add a `null` object to a FlxGroup.");
			return null;
		}
		
		// Use this when you're certain this group won't have any null or duplicate entries. Use only when maximum performance is needed.
		if(Unsafe == true)
		{
			members.push(Object);
			length++;
			return Object;
		}

		// Don't bother adding an object twice.
		if (FlxArrayUtil.indexOf(members, Object) >= 0)
		{
			return Object;
		}

		// First, look for a null entry where we can add the object.
		var index:Int = getFirstNull();
		if (index != -1)
		{
			members[index] = Object;

			if (index >= length)
			{
				length = index + 1;
			}

			return Object;
		}

		// If the group is full, return the Object
		if (maxSize > 0 && length >= maxSize)
		{
			return Object;
		}

		// If we made it this far, we need to add the object to the group.
		members.push(Object);
		length++;

		return Object;
	}