altoslib: Start restructuring AltosState harder

[fw/altos] / altoslib / AltosGreatCircle.java

diff --git a/altoslib/AltosGreatCircle.java b/altoslib/AltosGreatCircle.java
index f1cf0ae9089173de180b9b0e39108379ed807a53..770c3c6c34ffabc288db27a04f322ac980a0104c 100644 (file)
--- a/altoslib/AltosGreatCircle.java
+++ b/altoslib/AltosGreatCircle.java
@@ -19,7 +19,7 @@ package org.altusmetrum.altoslib_1;
 
 import java.lang.Math;
 
-public class AltosGreatCircle {
+public class AltosGreatCircle implements Cloneable {
        public double   distance;
        public double   bearing;
        public double   range;
@@ -95,6 +95,16 @@ public class AltosGreatCircle {
                elevation = Math.atan2(height_diff, distance) * 180 / Math.PI;
        }
 
+       public AltosGreatCircle clone() {
+               AltosGreatCircle n = new AltosGreatCircle();
+
+               n.distance = distance;
+               n.bearing = bearing;
+               n.range = range;
+               n.elevation = elevation;
+               return n;
+       }
+
        public AltosGreatCircle (double start_lat, double start_lon,
                                 double end_lat, double end_lon) {
                this(start_lat, start_lon, 0, end_lat, end_lon, 0);