From e3d0a6d0cb4141c5d8f9c464bfd3d94a10c32c61 Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Fri, 30 Mar 2012 23:42:04 +0000
Subject: [PATCH] added method for generating a random point into a triangle
 (it generate three random barycentric coords)

---
 vcg/math/random_generator.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/vcg/math/random_generator.h b/vcg/math/random_generator.h
index ac2f0674..24445c29 100644
--- a/vcg/math/random_generator.h
+++ b/vcg/math/random_generator.h
@@ -331,6 +331,18 @@ public:
 		return (((double)generate(0)) + 0.5)*(1.0/4294967296.0);
 	}
 
+	/// Generate a random triple of baricentric coords
+	template <class PointType>
+	void generateBarycentric(PointType &p){
+		p[1] = this->generate01();
+		p[2] = this->generate01();
+
+		if(p[1] + p[2] > 1.0){
+			p[1] = 1.0 - p[1];
+			p[2] = 1.0 - p[2];
+		}
+		p[0]=1.0-(p[1] + p[2]);
+	}
 };