mars sky and lighting tweaks (#10)

* mars sky and lighting tweaks

* fix daytime light color

Author: Pyritie

shaders/ad_astra_config/lightAndAmbientColors.glsl

@@ -93,9 +93,9 @@
     vec3 ambientColor = mix(clearAmbientColor, rainAmbientColor, rainFactor);
 #elif defined(WORLD_MARS)
     #ifndef COMPOSITE
-	    vec3 noonClearLightColor = vec3(0.45, 0.20, 0.08) * 1.0; // Reduced brightness
+	    vec3 noonClearLightColor = vec3(0.55, 0.45, 0.4) * 1.0; // Reduced brightness
     #else
-        vec3 noonClearLightColor = vec3(0.4, 0.18, 0.06) * 0.85; // Reduced brightness
+        vec3 noonClearLightColor = vec3(0.5, 0.40, 0.38) * 0.85; // Reduced brightness
     #endif
     vec3 noonClearAmbientColor = pow(skyColor, vec3(0.65)) * 0.75; // Slightly dimmer ambient
 
@@ -107,13 +107,13 @@
     vec3 sunsetClearAmbientColor   = noonClearAmbientColor * vec3(0.75, 0.65, 0.65) * 0.6; // Slightly dimmer ambient
 
     #if !defined COMPOSITE && !defined DEFERRED1
-        vec3 nightClearLightColor = vec3(0.05, 0.04, 0.04) * (0.4 + vsBrightness * 0.3);
+        vec3 nightClearLightColor = vec3(0.14, 0.12, 0.10) * (0.45 + vsBrightness * 0.35);
     #elif defined DEFERRED1
-        vec3 nightClearLightColor = vec3(0.04, 0.03, 0.03);
+        vec3 nightClearLightColor = vec3(0.12, 0.11, 0.09);
     #else
-        vec3 nightClearLightColor = vec3(0.05, 0.04, 0.04);
+        vec3 nightClearLightColor = vec3(0.14, 0.12, 0.10);
     #endif
-    vec3 nightClearAmbientColor   = vec3(0.02, 0.018, 0.016) * (0.8 + vsBrightness * 0.4);
+    vec3 nightClearAmbientColor   = vec3(0.07, 0.06, 0.05) * (1.15 + vsBrightness * 0.55);
 
     vec3 dayRainLightColor   = vec3(0.18, 0.12, 0.08) * 0.85;
     vec3 dayRainAmbientColor = vec3(0.15, 0.12, 0.18) * 2.3;

shaders/ad_astra_config/skyColors.glsl

@@ -31,16 +31,16 @@
     vec3 nightDownSkyColor    = nightDown;
 #elif defined(WORLD_MARS)
     // Mars sky colors - original Taidum values for proper brightness
-    const vec3 dayUp    = vec3(0.12, 0.07, 0.04); // Original Taidum values
-    const vec3 dayMid   = vec3(0.10, 0.06, 0.03); // Original Taidum values
-    const vec3 dayDown  = vec3(0.08, 0.05, 0.02); // Original Taidum values
+    const vec3 dayUp    = vec3(0.90, 0.67, 0.52);
+    const vec3 dayMid   = vec3(0.94, 0.61, 0.38);
+    const vec3 dayDown  = vec3(0.99, 0.77, 0.62);
 
     // Prevent extremely low values that break DH rendering
-    const vec3 nightUp  = vec3(0.020, 0.018, 0.016);
-    const vec3 nightMid = vec3(0.016, 0.014, 0.012);
-    const vec3 nightDown= vec3(0.012, 0.010, 0.008);
+    const vec3 nightUp  = vec3(0.038, 0.038, 0.044);
+    const vec3 nightMid = vec3(0.034, 0.034, 0.040);
+    const vec3 nightDown= vec3(0.031, 0.031, 0.037);
 
-    vec3 sunsetDownSkyColorP  = dayDown;
+    vec3 sunsetDownSkyColorP  = vec3(0.22, 0.69, 0.95);
 
     vec3 dayUpSkyColor        = dayUp;
     vec3 dayMiddleSkyColor    = dayMid;