X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosQuaternion.java;h=af9eb47558c701ad273753934826a4f6a5638854;hb=2a4d741872449b5332f28e018fa3acc53ed7d891;hp=e96aa7db0fca1c7d90cf462f6ed39a7b3f044018;hpb=7041c386cdf37716f8daf0bc1a9204db620e3de9;p=fw%2Faltos

diff --git a/altoslib/AltosQuaternion.java b/altoslib/AltosQuaternion.java
index e96aa7db..af9eb475 100644
--- a/altoslib/AltosQuaternion.java
+++ b/altoslib/AltosQuaternion.java
@@ -15,9 +15,9 @@
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_9;
+package org.altusmetrum.altoslib_11;
 
-public class AltosQuaternion {
+public class AltosQuaternion implements AltosHashable {
 	double	r;		/* real bit */
 	double	x, y, z;	/* imaginary bits */
 
@@ -147,4 +147,24 @@ public class AltosQuaternion {
 					   c_x * s_y * c_z + s_x * c_y * s_z,
 					   c_x * c_y * s_z - s_x * s_y * c_z);
 	}
+
+	public AltosHashSet hashSet() {
+		AltosHashSet h = new AltosHashSet();
+
+		h.putDouble("r", r);
+		h.putDouble("x", x);
+		h.putDouble("y", y);
+		h.putDouble("z", z);
+		return h;
+	}
+
+	public AltosQuaternion(AltosHashSet h) {
+		if (h == null)
+			return;
+
+		r = h.getDouble("r", 1);
+		x = h.getDouble("x", 0);
+	        y = h.getDouble("y", 0);
+		z = h.getDouble("z", 0);
+	}
 }