altoslib: Add null constructors to AltosQuaternion and AltosRotation

[fw/altos] / altoslib / AltosQuaternion.java

diff --git a/altoslib/AltosQuaternion.java b/altoslib/AltosQuaternion.java
index 1b4a9419c875799b3abaaca022e0535e75288c61..98c2fe51322851e5b7fb1e5b95723fc173f4655e 100644 (file)
--- a/altoslib/AltosQuaternion.java
+++ b/altoslib/AltosQuaternion.java
@@ -115,10 +115,17 @@ public class AltosQuaternion implements AltosJsonable {
        }
 
        public AltosQuaternion(AltosQuaternion q) {
-               this.r = q.r;
-               this.x = q.x;
-               this.y = q.y;
-               this.z = q.z;
+               r = q.r;
+               x = q.x;
+               y = q.y;
+               z = q.z;
+       }
+
+       public AltosQuaternion() {
+               r = 1;
+               x = 0;
+               y = 0;
+               z = 0;
        }
 
        static public AltosQuaternion vector(double x, double y, double z) {