public float getMaxZ() { return Math.max(p1.z, p2.z); }
public float getMinZ() { return Math.min(p1.z, p2.z); }
+ /** the line passing through both endpoints of this segment */
+ public Line getLine() { return new Line(p1, p2); }
+
+ public float length() { return p1.distance(p2); }
+
+ public double distance(Point p) {
+ Line line = getLine();
+ Point proj = line.getProjection(p);
+ if (proj.distance(p1)+proj.distance(p2) > length())
+ return Math.min(p1.distance(p),
+ p2.distance(p));
+ return proj.distance(p);
+ }
+
}