From ba40211cc8f1a5dd12f4df2eb4955d876a0c3ef9 Mon Sep 17 00:00:00 2001
From: Meow J <fang0716fy@gmail.com>
Date: Wed, 3 May 2017 21:55:42 +0800
Subject: [PATCH] Fix #65

---
 docs/04 Advanced OpenGL/05 Framebuffers.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/04 Advanced OpenGL/05 Framebuffers.md b/docs/04 Advanced OpenGL/05 Framebuffers.md
index 302257c..86ac38f 100644
--- a/docs/04 Advanced OpenGL/05 Framebuffers.md	
+++ b/docs/04 Advanced OpenGL/05 Framebuffers.md	
@@ -370,7 +370,7 @@ void main()
     {
         sampleTex[i] = vec3(texture(screenTexture, TexCoords.st + offsets[i]));
     }
-    vec3 col;
+    vec3 col = vec3(0.0);
     for(int i = 0; i < 9; i++)
         col += sampleTex[i] * kernel[i];