added wall

src/shaders/raycasting.cginc

@@ -34,7 +34,7 @@ HitResult castBricks(vec3 origin, vec3 start, vec3 dir, vec3 incAxis, uint addr)
 
             // Normal vector (negate previous increment axis and mult by sign)
             vec3 normal = -incAxis * raySign;
-            return HitResult(brick-1, hitPoint, normal);
+            return HitResult(brick, hitPoint, normal);
         }
 
         // Get new closest axis to increment

src/shaders/shading.cginc

@@ -13,6 +13,6 @@ vec3 applyLighting(vec3 hitPoint, vec3 view, vec3 normal, uint brick)
     vec3 specular = light_color * pow(max(dot(view, reflect(-_SunDir, normal)), 0.0), 32);
 
     // Combine colors
-    vec3 object_color = _Materials[brick].albedo.rgb;//vec3(0.0, 0.1, 0.5);
+    vec3 object_color = _Materials[brick-1].albedo.rgb;//vec3(0.0, 0.1, 0.5);
     return (ambient + diffuse + specular) * object_color;
 }