Working on fog, dialogs, etc

resources/shaders/fog_desktop.fragment

@@ -0,0 +1,18 @@
+//precisionmediump float;
+uniform sampler2D Texture;
+varying vec2 texCoord;
+varying float fogDistance;
+
+void main()
+{
+	vec4 color = texture2D(Texture,texCoord).rgba;
+
+	if(color.a < 0.1)
+        discard;
+
+	vec3 fogColor = vec3(0.53, 0.81, 0.92);
+	float fogFactor = clamp((fogDistance - 90.0) / 30.0, 0.0, 1.0);
+	vec3 finalColor = mix(color.rgb, fogColor, fogFactor);
+
+	gl_FragColor = vec4(finalColor, color.a);
+}