/**
* tags any entities contained in a std container that are within the radius of the single entity
* parameter
*/
public static <T extends BaseGameEntity, conT extends List<? extends T>> void TagNeighbors(
T entity, conT others, final double radius) {
ListIterator<? extends T> it = others.listIterator();
// iterate through all entities checking for range
while (it.hasNext()) {
T curOb = it.next();
// first clear any current tag
curOb.UnTag();
// work in distance squared to avoid sqrts
Vector2D to = sub(curOb.Pos(), entity.Pos());
// the bounding radius of the other is taken into account by adding it
// to the range
double range = radius + curOb.BRadius();
// if entity within range, tag for further consideration
if ((curOb != entity) && (to.LengthSq() < range * range)) {
curOb.Tag();
}
} // next entity
}
