/**
* compare method, is this new plottable nearest than the current one.
*
* @param newPl the item we're looking at
*/
private final void compare(final Plottable newPl) {
// is it even visible?
if (!newPl.getVisible()) return;
// calculate the range
final double range = newPl.rangeFrom(location);
// did it produce a valid range?
if (range == Plottable.INVALID_RANGE) {
return;
}
// so, we have a valid range. is it our first?
if (distance == Plottable.INVALID_RANGE) {
object = newPl;
distance = range;
} else {
if (range < distance) {
distance = range;
object = newPl;
}
}
}
