Module org.jhotdraw8.geom

Package org.jhotdraw8.geom.intersect

Class IntersectPointRay

java.lang.Object

org.jhotdraw8.geom.intersect.IntersectPointRay

public class IntersectPointRay
extends Object

Method Summary

Modifier and Type	Method	Description
static @Nullable Double	argumentOnRay(double ox, double oy, double dx, double dy, double amax, double px, double py, double tolerance)
static double	projectedPointOnRay(double ox, double oy, double dx, double dy, double px, double py)	Projects a point on an infinite line defined by the given ray.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

projectedPointOnRay

public static double projectedPointOnRay(double ox,
 double oy,
 double dx,
 double dy,
 double px,
 double py)

Projects a point on an infinite line defined by the given ray. The returned argument value is in range [Double.NEGATIVE_INFINITY,Double.POSITIVE_INFINITY].

Parameters:

ox - x origin of ray

oy - y origin of ray

dx - x direction of ray

dy - y direction of ray

px - x coordinate of point

py - y coordinate of point

Returns:

argument 't' at point px,py on the ray.

argumentOnRay

public static @Nullable Double argumentOnRay(double ox,
 double oy,
 double dx,
 double dy,
 double amax,
 double px,
 double py,
 double tolerance)