QList<RVector> RShape::getIntersectionPointsAE(const RArc& arc1,
const REllipse& ellipse2, bool limited) {
QList<RVector> candidates =
RShape::getIntersectionPointsCE(
RCircle(arc1.getCenter(), arc1.getRadius()),
ellipse2);
if (!limited) {
return candidates;
}
QList<RVector> res;
for (int i=0; i<candidates.count(); i++) {
RVector c = candidates[i];
if (arc1.isOnShape(c)) {
if (!ellipse2.isFullEllipse()) {
double a1 = ellipse2.getCenter().getAngleTo(ellipse2.getStartPoint());
double a2 = ellipse2.getCenter().getAngleTo(ellipse2.getEndPoint());
double a = ellipse2.getCenter().getAngleTo(c);
if (!RMath::isAngleBetween(a, a1, a2, ellipse2.isReversed())) {
continue;
}
}
res.append(c);
}
}
return res;
}
QList<RVector> RShape::getIntersectionPointsEE(const REllipse& ellipse1, const REllipse& ellipse2, bool limited) {
QList<RVector> candidates = getIntersectionPointsEE(ellipse1, ellipse2);
if (!limited) {
return candidates;
}
QList<RVector> ret;
for (int i=0; i<candidates.length(); i++) {
RVector c = candidates[i];
bool onShape = true;
double a1 = ellipse1.getCenter().getAngleTo(ellipse1.getStartPoint());
double a2 = ellipse1.getCenter().getAngleTo(ellipse1.getEndPoint());
double a = ellipse1.getCenter().getAngleTo(c);
if (!RMath::isAngleBetween(a, a1, a2, ellipse1.isReversed())) {
// qDebug() << "1) angle NOT between: "
// << " a: " << RMath::rad2deg(a)
// << " a1: " << RMath::rad2deg(a1)
// << " a2: " << RMath::rad2deg(a2)
// << " r: " << ellipse1.isReversed();
//ret.append(c);
onShape = false;
}
a1 = ellipse2.getCenter().getAngleTo(ellipse2.getStartPoint());
a2 = ellipse2.getCenter().getAngleTo(ellipse2.getEndPoint());
a = ellipse2.getCenter().getAngleTo(c);
if (!RMath::isAngleBetween(a, a1, a2, ellipse2.isReversed())) {
// qDebug() << "2) angle NOT between: "
// << " a: " << RMath::rad2deg(a)
// << " a1: " << RMath::rad2deg(a1)
// << " a2: " << RMath::rad2deg(a2)
// << " r: " << ellipse2.isReversed();
//ret.append(c);
onShape = false;
}
if (onShape) {
ret.append(c);
}
}
return ret;
}
