From 96067deba1e195d2c77383607cf5454da5d1a325 Mon Sep 17 00:00:00 2001
From: Sean Lilley <lilleyse@gmail.com>
Date: Wed, 29 Jun 2016 11:45:22 -0400
Subject: [PATCH] Flip uv.y

---
 lib/obj.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/obj.js b/lib/obj.js
index aa868f9..d8e11dc 100644
--- a/lib/obj.js
+++ b/lib/obj.js
@@ -105,6 +105,8 @@ function processObj(objFile, info, materials, images, done) {
                 var ui = getOffset(u, uvs, 2);
                 var ux = uvs[ui + 0];
                 var uy = uvs[ui + 1];
+                // Flip y so 0.0 is the bottom of the image
+                uy = 1.0 - uy;
                 vertexArray.push(ux, uy);
             } else {
                 // Some objects in the model may not have uvs, fill with 0's for consistency