diff --git a/src/tile.rs b/src/tile.rs
index 0f49ab1..a3b9873 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -43,6 +43,14 @@ impl Tile {
 
     // todo refactor
 
+    pub fn invert(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.invert();
+            image
+        }).collect()
+    }
+
     pub fn flip(&mut self) {
         self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
             let mut image = frame.clone();