Fog and more blocks

resources/shaders/simple.frag

@@ -1,11 +1,23 @@
 #version 450
 
+vec3 SkyColour = vec3(186.0f / 255.0f, 214.0f / 255.0f, 254.0f / 255.0f);
+
 in vec3 TexCoord;
+in float Distance;
 
 out vec4 outColour;
 
 uniform sampler2DArray tex;
 
 void main() {
-    outColour = texture(tex, TexCoord);
+
+	outColour = texture(tex, TexCoord);
+
+	if (outColour.w == .0)
+		discard;
+	
+	float fogMax = 20000;
+	
+	outColour = vec4(mix(outColour.xyz, SkyColour, min(1.0f, Distance / fogMax)), outColour.w);
+
 }

resources/shaders/simple.vert

@@ -4,12 +4,23 @@ layout (location = 0) in vec3 position;
 layout (location = 1) in vec3 texcoord;
 
 out vec3 TexCoord;
+out float Distance;
 
 uniform mat4 model;
 uniform mat4 view;
 uniform mat4 proj;
 
 void main() {
-    TexCoord = texcoord;
-    gl_Position = proj * view * model * vec4(position, 1.0);
+	
+	TexCoord = texcoord;
+	
+	gl_Position = proj * view * model * vec4(position, 1.0);
+
+	// Makes no sense but it works
+	Distance = (
+		gl_Position.x * gl_Position.x + 
+		gl_Position.y * gl_Position.y + 
+		gl_Position.z * gl_Position.z
+	);
+
 }