From e7a0d74312214f6e85685cc13945e41c5a7d4f8e Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Mon, 1 Apr 2019 13:07:39 +0200
Subject: [PATCH] Add vignette to post shader

---
 res/shaders/post.frag | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/res/shaders/post.frag b/res/shaders/post.frag
index eea465d..fe66b1e 100644
--- a/res/shaders/post.frag
+++ b/res/shaders/post.frag
@@ -26,5 +26,5 @@ void main() {
         color += texture(framebuffer, p);
     }
     color /= pow(2*radius+1, 2);
-    color_out = vec4(color, 1.0);
+    color_out = vec4(color * (1-pow(length((UV-0.5)*1.2), 3)), 1.0); // vignette
 }