/*
* dequeue method will remove the top Node from the Queue and return the AIPolygon being
* held inside the node being removed
* Parameters: None
* Return: (AIPolygon)
* null if the queue is empty
* the AIPolygon being held if the queue is not empty
*/
public AIPolygon dequeue()
{
AIPolygonNode temp = front;
front = temp.getNextNode();
size--;
return(temp.getPolygon());
}
/*
* getPolygonAtIndex will find a AIPolygonNode at a certian point inside the Queue
* and return the AIPolygon being held inside the node. It will not remove the
* Node from the Queue
* Parameters: (int)index is the index in the Queue that the caller wants sent back
* Return: (AIPolygon)
* the AIPolygon at the index in the Queue
*/
public AIPolygon getPolygonAtIndex(int index)
{
if (index == 0)
{
return(front.getPolygon());
}
AIPolygonNode temp = front;
for (int count = 0; count < index; count++)
{
temp = temp.getNextNode();
}
return(temp.getPolygon());
}
