diff --git a/src/dreammaker/dmi.rs b/src/dreammaker/dmi.rs
index 80e939fc..cd1939c9 100644
--- a/src/dreammaker/dmi.rs
+++ b/src/dreammaker/dmi.rs
@@ -20,6 +20,10 @@ pub enum Dir {
 }
 
 impl Dir {
+    pub const CARDINALS: &'static [Dir] = &[Dir::North, Dir::South, Dir::East, Dir::West];
+    pub const DIAGONALS: &'static [Dir] = &[Dir::Northeast, Dir::Northwest, Dir::Southeast, Dir::Southwest];
+    pub const ALL: &'static [Dir] = &[Dir::North, Dir::South, Dir::East, Dir::West, Dir::Northeast, Dir::Northwest, Dir::Southeast, Dir::Southwest];
+
     /// Attempt to build a direction from its integer representation.
     pub fn from_int(int: i32) -> Option<Dir> {
         Some(match int {
diff --git a/src/tools/render_passes/icon_smoothing.rs b/src/tools/render_passes/icon_smoothing.rs
index 1f293019..b95cb05d 100644
--- a/src/tools/render_passes/icon_smoothing.rs
+++ b/src/tools/render_passes/icon_smoothing.rs
@@ -79,7 +79,7 @@ fn calculate_adjacencies(objtree: &ObjectTree, neighborhood: &Neighborhood, atom
         }
     };
 
-    for &dir in &[Dir::South, Dir::North, Dir::East, Dir::West] {
+    for &dir in Dir::CARDINALS {
         adjacencies |= check_one(dir, 1 << dir.to_int());
     }