From 0d943a8a9dbf41abc46d1282d006291e9f11a6df Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Fri, 13 Sep 2013 00:58:48 +0900
Subject: [PATCH] Fix texcoord export.

---
 examples/obj_sticher/obj_writer.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/obj_sticher/obj_writer.cc b/examples/obj_sticher/obj_writer.cc
index 7d0f1ba..aa9b244 100644
--- a/examples/obj_sticher/obj_writer.cc
+++ b/examples/obj_sticher/obj_writer.cc
@@ -99,14 +99,14 @@ bool WriteObj(const std::string& filename, std::vector<tinyobj::shape_t> shapes)
     }
     if (shapes[i].mesh.normals.size() > 0) has_vn = true;
 
-    // texcoord
+    // facevarying texcoord
     if (shapes[i].mesh.texcoords.size() > 0) {
       for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
         for (int j = 0; j < 3; j++) {
           int idx = shapes[i].mesh.indices[3*k+j];
           fprintf(fp, "vt %f %f %f\n",
-            shapes[i].mesh.texcoords[3*idx+0],
-            shapes[i].mesh.texcoords[3*idx+1]);
+            shapes[i].mesh.texcoords[2*idx+0],
+            shapes[i].mesh.texcoords[2*idx+1]);
         }
       }
     }