From cdb5c2d37558a65cd144201b4fd8534e027f94f4 Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Fri, 2 Jun 2017 03:04:42 +0900
Subject: [PATCH] Fix the number of triangle calculation. Fixes #127

---
 examples/viewer/viewer.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/viewer/viewer.cc b/examples/viewer/viewer.cc
index 3df5361..c660de9 100644
--- a/examples/viewer/viewer.cc
+++ b/examples/viewer/viewer.cc
@@ -421,7 +421,8 @@ static bool LoadObjAndConvert(float bmin[3], float bmax[3],
         glBindBuffer(GL_ARRAY_BUFFER, o.vb);
         glBufferData(GL_ARRAY_BUFFER, vb.size() * sizeof(float), &vb.at(0),
                      GL_STATIC_DRAW);
-        o.numTriangles = vb.size() / (3 + 3 + 3 + 2) * 3;
+        o.numTriangles = vb.size() / (3 + 3 + 3 + 2) / 3; // 3:vtx, 3:normal, 3:col, 2:texcoord
+
         printf("shape[%d] # of triangles = %d\n", static_cast<int>(s),
                o.numTriangles);
       }