X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2Fgeom%2FPlane.java;h=1789e55aee635d8773cdff9b74963f8cfce8a9d3;hp=419bb9392a86789a406546575609527c64a70f06;hb=de2400d58116bd995e73baf7a429e22def1e4067;hpb=9668f77ce3eeed3a393345c357818e1f85b3a637

diff --git a/src/edu/berkeley/qfat/geom/Plane.java b/src/edu/berkeley/qfat/geom/Plane.java
index 419bb93..1789e55 100644
--- a/src/edu/berkeley/qfat/geom/Plane.java
+++ b/src/edu/berkeley/qfat/geom/Plane.java
@@ -3,6 +3,9 @@ import javax.media.opengl.*;
 
 public class Plane {
 
+    // FIXME: could be given by
+    // ax+by+cz=d
+
     public final Vec norm;
     public final float dvalue;
 
@@ -18,7 +21,7 @@ public class Plane {
         Vec v1 = p2.norm.cross(p3.norm).times(-1 * p1.dvalue);
         Vec v2 = p3.norm.cross(p1.norm).times(-1 * p2.dvalue);
         Vec v3 = p1.norm.cross(p2.norm).times(-1 * p3.dvalue);
-        return Point.ORIGIN.plus(v1.plus(v2).plus(v3).times(1/z));
+        return Point.ZERO.plus(v1.plus(v2).plus(v3).times(1/z));
     }
 
 }