X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fscene_depth.h;h=ea2fbebb45cd24128a30ac221c54cd81e9589534;hb=74b2136d5b41b18e2eec698f1fd11b503aa1100a;hp=160fd02d2a9f2c9ebf17249cd66af3e7e44d46ba;hpb=63fe317d7db724162561da52aa382c82ac3c29be;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/scene_depth.h b/shaders/scene_depth.h
index 160fd02..ea2fbeb 100644
--- a/shaders/scene_depth.h
+++ b/shaders/scene_depth.h
@@ -206,14 +206,18 @@ static struct vg_shader _shader_scene_depth = {
 "   vec3 sun_colour  = mix( vec3(1.0), g_sunset_colour.rgb, g_sunset_phase*0.5 );\n"
 "        sun_colour *= sun_shape;\n"
 "\n"
-"\n"
+"   \n"
 "   float star = 0.0;\n"
-"   for( float j = 1.0; j <= 4.1; j += 1.0 ){\n"
-"      float m = mix(0.6, 0.9, smoothstep(1.0, 2.0, j));\n"
-"      star += stars( ray_dir, 1.94 * pow( 1.64, j ), m ) * (1.0 / pow(4.0, j));\n"
+"   float star_blend = 10.0*max(0.0,(1.0-g_day_phase*2.0));\n"
+"\n"
+"   if( star_blend > 0.001 ){\n"
+"      for( float j = 1.0; j <= 4.1; j += 1.0 ){\n"
+"         float m = mix(0.6, 0.9, smoothstep(1.0, 2.0, j));\n"
+"         star += stars( ray_dir, 1.94 * pow( 1.64, j ), m ) * (1.0/pow(4.0, j));\n"
+"      }\n"
 "   }\n"
 "   \n"
-"   vec3 composite   = sky_colour + sun_colour + star*10.0*max(0.0,(1.0-g_day_phase*2.0));\n"
+"   vec3 composite   = sky_colour + sun_colour + star*star_blend;\n"
 "   return composite;\n"
 "}\n"
 "\n"