1 files changed, 7 insertions, 0 deletions

diff --git a/src/bitmap.rs b/src/bitmap.rs
index 0b1754a..ff41cb8 100644
--- a/src/bitmap.rs
+++ b/src/bitmap.rs
@@ -333,3 +333,10 @@ pub fn positive_angle_with_x(start: MapPoint, end: MapPoint) -> f64 {
     let denum = (end.x as f64 - start.x as f64).abs();
     (numer / denum).atan().to_degrees()
 }
+
+pub fn manhattan(
+    MapPoint { x: sx, y: sy }: MapPoint,
+    MapPoint { x: ex, y: ey, .. }: MapPoint,
+) -> u32 {
+    abs_difference(sx, ex) + abs_difference(sy, ey)
+}