Merge pull request #3 from kannoneer/main

Fix point list vs plane relative position check
dhaumont · May 25, 2024 · e9ce1b4 · e9ce1b4
2 parents 4e45b60 + c25211d
commit e9ce1b4
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/visilib/math_predicates.h b/visilib/math_predicates.h
@@ -222,7 +222,12 @@ namespace visilib
             }
         }
 
-        if (myRight == 0)
+        if (myRight == 0 && myLeft == 0 && points.size() > 0)
+        {
+            // Relative position is on the boundary if all points were on the plane.
+            return ON_BOUNDARY;
+        }
+        else if (myRight == 0)
         {
             V_ASSERT(myLeft > 0);
             return ON_NEGATIVE_SIDE;