VARYING vec4 vCol;

void MAIN()
{
       vec2 size = vec2(textureSize(SCREEN_TEXTURE, 0));
   vec2 uv = FRAGCOORD.xy / size;
       vec4 tex = texture(SCREEN_TEXTURE, uv);
       ROUGHNESS = 0.7;



       BASE_COLOR = vec4(tex.rgb,1.0);
       BASE_COLOR = vec4(tex.rgb*vec3(0.1,0.1,0.1),1.0)*vCol.b;
}