diff --git a/src/context.c b/src/context.c
index c9f00b8..4eb36bb 100644
--- a/src/context.c
+++ b/src/context.c
@@ -14,7 +14,7 @@
 void set_clean_color_context(unsigned char r, unsigned char g, unsigned char b)
 {
 	glEnable(GL_DEPTH_TEST);
-
+	glEnable(GL_FRAMEBUFFER_SRGB); 
 	glClearColor((float)r / 0xff, (float)g / 0xff, (float)b / 0xff, 1.0);
 }
 
diff --git a/src/data/shaders.h b/src/data/shaders.h
index e166136..48294f5 100644
--- a/src/data/shaders.h
+++ b/src/data/shaders.h
@@ -15,20 +15,34 @@ const char * vs =
 	"layout (location = 6) in float aNormal_z;"
 	"layout (location = 7) in float aNormal_w;"
 
-	"uniform float idx;"
+	"uniform uint idx;"
+
+	"uniform uint i;"
+	"uniform float angle;"
+
 	"uniform mat4 fix;"
 	"uniform mat4 rot;"
 	"uniform mat4 mdl;"
 
-	"out float index;"
+	"flat out uint index;"
 	"out vec3 Normal;"
 	"out vec3 FragPos;"
 
+	"mat2 rotate2d( float angle )"
+	"{"
+		"return mat2( cos(angle), sin(angle), -sin(angle), cos(angle) );"
+	"}"
+
 	"void main()"
 	"{"
 	"	index=idx;"
+
 	"	vec3 aNormal = vec3(aNormal_x,aNormal_y,aNormal_z);"
 	"	vec3 aPos = vec3(aPos_x,aPos_y,aPos_z);"
+
+	"	aNormal[i] = (vec2(aNormal_w, aNormal[i]) * rotate2d(angle))[0];"
+	"	aPos[i] = (vec2(aPos_w, aPos[i]) * rotate2d(angle))[0];"
+
 	"	Normal = mat3(transpose(inverse(rot*mdl))) * aNormal;"
 	"	gl_Position = fix * rot * mdl * vec4( aPos, 1.0 );\n"
 	"	FragPos = vec3( rot * mdl * vec4(aPos, 1.0));"
@@ -46,7 +60,7 @@ const char * fs_plain =
 #endif
 	"uniform sampler2DArray palette;"
 
-	"in float index;"
+	"flat in uint index;"
 	"out vec4 FragColor;"
 	"in vec3 Normal;"
 	"in vec3 FragPos;"
@@ -67,7 +81,7 @@ const char * fs =
 
     "uniform sampler2DArray palette;"
 
-    "in float index;"
+    "flat in uint index;"
     "in vec3 Normal;"
     "in vec3 FragPos;"
 
@@ -85,9 +99,9 @@ const char * fs =
 
     "   vec3 halfwayDir = normalize(lightDir + viewDir);\n"
 
-    "   float specular = pow(max(dot(normalize(Normal), halfwayDir), 0.0), 16.0);\n"
-    "   float diffuse = max(dot(normalize(Normal), lightDir), 0.0);\n"
+    "   float specular = pow(abs(dot(normalize(Normal), halfwayDir)), 32.0);\n"
+    "   float diffuse = abs(dot(normalize(Normal), lightDir));\n"
 
-    "   vec3 result = (0.5 + 0.5 * diffuse + specular) * color.rgb;\n"
-    "   FragColor = vec4(result, color.a);\n"
+    "   vec3 result = (0.5 + 1.5*diffuse + 4*specular) * color.rgb;\n"
+    "   FragColor = vec4(result, color.a)*1/2.2;\n"
     "}";