Clean up some

shaders/planet_stone_desktop.fragment

@@ -5,11 +5,8 @@ varying float viewZ;
 varying vec3 pos;
 
 uniform sampler2D Texture;
-uniform float uDistanceToPlanetSurface; 
-uniform float uCurrentZFar;             
+uniform float uDistanceToPlanetSurface;          
 
-// Константы для тумана:
-//const vec4 FOG_COLOR = vec4(0.0, 0.3, 0.3, 1.0); // Синий туман
 const vec4 FOG_COLOR = vec4(0.0, 0.5, 1.0, 1.0); // Синий туман
 
 varying vec3 worldPosition;
@@ -23,6 +20,8 @@ void main()
     vec3 finalColor = textureColor.rgb; 
 	
 	float realDist = distance(worldPosition, uViewPos);
+	
+	float alphaFactor = clamp((2000 - realDist) / 500.0, 0.0, 1.0);
 
 	float fogFactor;
 	if (uDistanceToPlanetSurface > 1000)
@@ -35,7 +34,7 @@ void main()
 		
 		fogFactor = clamp((realDist - 2400) / (300.0*(1 + 10*t)), 0.0, 1.0);
 		
-		gl_FragColor = mix(vec4(finalColor.rgb, 1.0), FOG_COLOR, fogFactor*(1.0 - t));
+		gl_FragColor = mix(vec4(finalColor.rgb, alphaFactor), FOG_COLOR, fogFactor*(1.0 - t));
 	}
 	else if (uDistanceToPlanetSurface > 40)
 	{
@@ -48,13 +47,13 @@ void main()
 		
 		float fogFactor2 = clamp((realDist - 1000) / 800.0, 0.0, 1.0);
 		
-		gl_FragColor = mix(vec4(finalColor.rgb, 1.0), FOG_COLOR, max(fogFactor, fogFactor2*(1.0 - t)));
+		gl_FragColor = mix(vec4(finalColor.rgb, alphaFactor), FOG_COLOR, max(fogFactor, fogFactor2*(1.0 - t)));
 	}
 	else 
 	{
 		fogFactor = clamp((realDist - 1000) / (800.0), 0.0, 1.0);
 		
-		gl_FragColor = mix(vec4(finalColor.rgb, 1.0), FOG_COLOR, fogFactor);
+		gl_FragColor = mix(vec4(finalColor.rgb, alphaFactor), FOG_COLOR, fogFactor);
 	}
     
 }