From 26980b3502f37f825457d4cb2b6099506f1729a8 Mon Sep 17 00:00:00 2001
From: ponchio <federico.ponchio@isti.cnr.it>
Date: Wed, 29 Sep 2004 13:55:33 +0000
Subject: [PATCH] Added Distance shpere - point.

---
 vcg/space/sphere3.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/vcg/space/sphere3.h b/vcg/space/sphere3.h
index 45632998..0a325355 100644
--- a/vcg/space/sphere3.h
+++ b/vcg/space/sphere3.h
@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.4  2004/04/02 09:49:01  ponchio
+Ehm... a couople of small errors.
+
 Revision 1.3  2004/04/02 09:44:13  ponchio
 Sphere ->Sphere3
 
@@ -74,6 +77,13 @@ public:
   	
 };
 
+template <class T> T Distance(const Sphere3<T> &sphere, 
+			      const Point3<T> &point) {
+  T dist = Distance(point, sphere.Center()) - sphere.Radius();
+  if(dist < 0) dist = 0;
+  return dist;
+}
+
 typedef Sphere3<float> Sphere3f;
 typedef Sphere3<double> Sphere3d;