/**
* Returns a list of all the items in this manager that are within a certain radius of the
* provided location.
*
* @param center The location to search from
* @param radius The distance away from the location to select items
* @return List of items that are in the area
*/
public List<T> getInArea(Location3D center, double radius) {
Map<Double, T> sortedItems = new TreeMap<Double, T>();
for (T single : myGameSprites) {
if (!single.isVisible()) {
continue;
}
// Do basic test first
if (single.getWorldLocation().getManhattanDistance(center) < radius) {
// Do accurate test second
double distance = single.getWorldLocation().getDistance(center);
if (distance < radius) {
sortedItems.put(distance, single);
}
}
}
return new ArrayList<T>(sortedItems.values());
}
/**
* Adds items to the manager. These items will then be observed by the NodeMap and will be updated
* and painted every cycle.
*
* @param gs The item to add
*/
public void add(T gs) {
gs.addObserver(GameState.getMap().getNodeMap());
gs.setChanged();
gs.notifyObservers(gs.getWorldLocation());
myGameSprites.add(gs);
}
