/**
* Construct a hyperbola
*
* @param f1 FPoint2 : first focus
* @param f2 FPoint2 : second focus
* @param interceptDistance : closest distance of point on arm to f1
*/
public Hyperbola(FPoint2 f1, FPoint2 f2, double interceptDistance) {
double fDist = f2.distance(f1);
if (!(interceptDistance >= 0 && interceptDistance <= fDist))
throw new FPError(
"Hyperbola construction: icept="
+ Tools.f(interceptDistance)
+ " of max "
+ Tools.f(fDist)
+ "\n f1="
+ f1
+ " f2="
+ f2);
double ratio = 0;
if (fDist > 0) {
ratio = interceptDistance / fDist;
}
FPoint2 pt = FPoint2.interpolate(f1, f2, ratio);
construct(f1, f2, pt);
}
