Improved fog quality

res/main.glslv

@@ -6,17 +6,19 @@ layout (location = 2) in vec4 v_light;
 
 out vec4 a_color;
 out vec2 a_texCoord;
+out float a_distance;
 
 uniform mat4 u_model;
-uniform mat4 u_projview;
+uniform mat4 u_proj;
+uniform mat4 u_view;
 uniform vec3 u_skyLightColor;
 uniform float u_gamma;
 
 void main(){
-	vec4 position = u_projview * u_model * vec4(v_position, 1.0);
+	vec4 viewmodelpos = u_view * u_model * vec4(v_position, 1.0);
 	a_color = vec4(pow(v_light.rgb, vec3(u_gamma)),1.0f);
 	a_texCoord = v_texCoord;
 	a_color.rgb += u_skyLightColor * v_light.a*0.5;
-	a_color.rgb *= 1.0-position.z*0.0025;
-	gl_Position = position;
+	a_distance = length(viewmodelpos);
+	gl_Position = u_proj * viewmodelpos;
 }