X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2Fgeom%2FVec.java;h=979cf2d914aeac420d0e37c8ad747e52bc91c775;hp=bc10a3495022cac3b4f7fd845407347aa09e6416;hb=20fe91a50615c12bdfdec4a72665ff92a700abd5;hpb=e32bd0376c8c859f51920674c84e6599ef7aeb18

diff --git a/src/edu/berkeley/qfat/geom/Vec.java b/src/edu/berkeley/qfat/geom/Vec.java
index bc10a34..979cf2d 100644
--- a/src/edu/berkeley/qfat/geom/Vec.java
+++ b/src/edu/berkeley/qfat/geom/Vec.java
@@ -4,6 +4,9 @@ import javax.media.opengl.glu.*;
 
 /** vector in 3-space; immutable */
 public final class Vec {
+
+    public static final Vec ZERO = new Vec(0,0,0);
+
     public final float x, y, z;
     public Vec(double x, double y, double z) { this((float)x, (float)y, (float)z); }
     public Vec(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }