From b083093db48fa5ffe99f894f68b6fe30546868c3 Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Thu, 24 Nov 2016 17:55:20 +0900
Subject: [PATCH] Show geomeric normal for mesh object.

---
 examples/glview/shader.frag | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/glview/shader.frag b/examples/glview/shader.frag
index 9fa989a..05d28ce 100644
--- a/examples/glview/shader.frag
+++ b/examples/glview/shader.frag
@@ -11,6 +11,6 @@ void main(void)
     if (uIsCurve > 0) {
         gl_FragColor = texture2D(diffuseTex, texcoord);
     } else {
-        gl_FragColor = vec4(0.5, 0.6, 0.7, 1.0);
+        gl_FragColor = vec4(0.5 * normalize(normal) + 0.5, 1.0);
     }
 }