From 45ae4a2c662ba6aea159523dc5d1a479c81a5516 Mon Sep 17 00:00:00 2001
From: Fabian Klemp <fabian.klemp1@rwth-aachen.de>
Date: Fri, 30 Jan 2015 15:11:00 +0100
Subject: [PATCH] Only sample shadows from the first light source.

---
 Shader/phong.fsh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Shader/phong.fsh b/Shader/phong.fsh
index f2756d4..337fc63 100644
--- a/Shader/phong.fsh
+++ b/Shader/phong.fsh
@@ -111,7 +111,9 @@ void main()
             vec3 cameraVector = normalize(camera - vec3(fragPosition));
             specularColor += clamp(pow((dot((cameraVector+lightVector),normalize(vNormal))/(length(cameraVector+lightVector)*length(normalize(vNormal)))),shininess), 0.0, 1.0)
             *specularFactor*intensity*lightColors[i];
-            visibility = samplePointShadow(shadowMap_cube, lightDirection);
+            if (i == 0) {
+                visibility = samplePointShadow(shadowMap_cube, lightDirection);
+            }
         }
         /*float value = texture(shadowMap_cube, lightDirection);
         oColor = vec4(value, value, value, 255);*/