From ec54e3575798ffaf176ece4147125893c7a9a233 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sun, 2 Dec 2012 23:08:46 +0200
Subject: [PATCH] Tweak shader randomly a bit

---
 client/shaders/test_shader_1/opengl_vertex.glsl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client/shaders/test_shader_1/opengl_vertex.glsl b/client/shaders/test_shader_1/opengl_vertex.glsl
index e24f58c09..3cf1f122b 100644
--- a/client/shaders/test_shader_1/opengl_vertex.glsl
+++ b/client/shaders/test_shader_1/opengl_vertex.glsl
@@ -43,8 +43,12 @@ void main(void)
 	color.g = rg;
 	color.b = b;
 
+	// Make sides and bottom darker than the top
+	color = color * color; // SRGB -> Linear
 	if(gl_Normal.y <= 0.5)
-		color *= 0.7;
+		color *= 0.6;
+		//color *= 0.7;
+	color = sqrt(color); // Linear -> SRGB
 
 	color.a = gl_Color.a;