/**
* Return nearest point from point "from" following supplied orientation
*
* <p>Returns null if no intersection was found
*
* @param from point from which we are coming to area
* @param orientation orientation we are coming from
* @return
*/
@Override
public FGEPoint nearestPointFrom(FGEPoint from, SimplifiedCardinalDirection orientation) {
FGEHalfLine hl = FGEHalfLine.makeHalfLine(from, orientation);
FGEArea intersection = computeLineIntersection(hl);
if (intersection instanceof FGEEmptyArea) {
return null;
} else if (intersection instanceof FGEPoint) {
return (FGEPoint) intersection;
} else if (intersection instanceof FGEUnionArea) {
double minimalDistanceSq = java.lang.Double.POSITIVE_INFINITY;
FGEPoint returned = null;
for (FGEArea a : ((FGEUnionArea) intersection).getObjects()) {
if (a instanceof FGEPoint) {
double distSq = FGEPoint.distanceSq(from, (FGEPoint) a);
if (distSq < minimalDistanceSq) {
returned = (FGEPoint) a;
minimalDistanceSq = distSq;
}
}
}
return returned;
} else if (intersection instanceof FGESegment) {
FGEPoint p1, p2;
p1 = ((FGESegment) intersection).getP1();
p2 = ((FGESegment) intersection).getP2();
if (FGEPoint.distanceSq(from, p1) < FGEPoint.distanceSq(from, p2)) {
return p1;
} else {
return p2;
}
} else {
logger.warning("Unexpected area: " + intersection);
return null;
}
/*if (getNorthWestRoundBounds().contains(returned)) {
//System.out.println("outlineIntersect() in NW");
return getNorthWestRound().nearestPointFrom(returned,orientation);
}
if (getSouthWestRoundBounds().contains(returned)) {
//System.out.println("outlineIntersect() in SW");
return getSouthWestRound().nearestPointFrom(returned,orientation);
}
if (getNorthEastRoundBounds().contains(returned)) {
//System.out.println("outlineIntersect() in NE");
return getNorthEastRound().nearestPointFrom(returned,orientation);
}
if (getSouthEastRoundBounds().contains(returned)) {
//System.out.println("outlineIntersect() in SE");
return getSouthEastRound().nearestPointFrom(returned,orientation);
}*/
// return returned;
}
