From 3080013b4feb8f862fddfa11647c0f8974affb02 Mon Sep 17 00:00:00 2001
From: tschw <tschwinger@isonews2.com>
Date: Mon, 26 Oct 2015 16:51:44 +0100
Subject: [PATCH] Fixed flickering lighting with MeshLambertMaterial.

---
 .../shaders/ShaderChunk/lights_lambert_vertex.glsl         | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/renderers/shaders/ShaderChunk/lights_lambert_vertex.glsl b/src/renderers/shaders/ShaderChunk/lights_lambert_vertex.glsl
index 1b4b80a163..89fb25924a 100644
--- a/src/renderers/shaders/ShaderChunk/lights_lambert_vertex.glsl
+++ b/src/renderers/shaders/ShaderChunk/lights_lambert_vertex.glsl
@@ -3,6 +3,11 @@ vec3 diffuse = vec3( 1.0 );
 GeometricContext geometry = GeometricContext( mvPosition.xyz, normalize( transformedNormal ), normalize( -mvPosition.xyz ) );
 GeometricContext backGeometry = GeometricContext( geometry.position, -geometry.normal, geometry.viewDir );
 
+	vLightFront = vec3( 0.0 );
+#ifdef DOUBLE_SIDED
+	vLightBack = vec3( 0.0 );
+#endif
+
 #if MAX_POINT_LIGHTS > 0
 
 	for ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {
@@ -94,4 +99,4 @@ GeometricContext backGeometry = GeometricContext( geometry.position, -geometry.n
 
 		#endif
 
-	}
\ No newline at end of file
+	}
-- 
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