Collection<Actor> getObjectsAtPixel(int x, int y) {
// This is a very naive and slow way of getting the objects at a given
// pixel.
// However, it makes sure that it doesn't use the collision checker
// which we want to keep optimised.
// It will be very slow with a lot of rotated objects. It is only used
// when using the mouse to select objects, which is not a time-critical
// task.
List<Actor> result = new LinkedList<Actor>();
TreeActorSet objects = getObjectsListInPaintOrder();
for (Actor actor : objects) {
Rect bounds = actor.getBoundingRect();
if (x >= bounds.getX()
&& x <= bounds.getRight()
&& y >= bounds.getY()
&& y <= bounds.getTop()) {
if (actor.containsPoint(x, y)) {
result.add(actor);
}
}
}
return result;
}
