From 4e13f0afa5c6f3583de1d112454c1181d6de9ea7 Mon Sep 17 00:00:00 2001
From: Matt Williams <matt@milliams.com>
Date: Sat, 11 Jan 2014 22:23:55 +0000
Subject: [PATCH] Checking for zero exactly gives better solutions to QEF

---
 .../include/PolyVoxCore/DualContouringSurfaceExtractor.inl    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/PolyVoxCore/include/PolyVoxCore/DualContouringSurfaceExtractor.inl b/library/PolyVoxCore/include/PolyVoxCore/DualContouringSurfaceExtractor.inl
index 545ab542..1523659c 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/DualContouringSurfaceExtractor.inl
+++ b/library/PolyVoxCore/include/PolyVoxCore/DualContouringSurfaceExtractor.inl
@@ -69,7 +69,7 @@ namespace PolyVox
 			}
 			
 			edge.normal = (gA * edge.fraction +  gB * (1.0f-edge.fraction));
-			if(edge.normal.lengthSquared() > 0.000001f) 
+			if(edge.normal.lengthSquared() != 0.0f) 
 			{
 				edge.normal.normalise();
 			}
@@ -141,7 +141,7 @@ namespace PolyVox
 			
 			const auto& vertexPosition = evaluateQEF(matrix, vector, rows) + massPoint;
 			
-			if(cellVertexNormal.lengthSquared() > 0.000001f) 
+			if(cellVertexNormal.lengthSquared() != 0.0f)
 			{
 				cellVertexNormal.normalise();
 			}