flip/mirror/rotate functions for tiles

src/image.rs

@@ -5,7 +5,7 @@ pub struct Image {
 
 impl Image {
     /// flip image vertically
-    fn flip(&mut self) {
+    pub fn flip(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         for row in self.pixels.chunks(8).rev() {
@@ -18,7 +18,7 @@ impl Image {
     }
 
     /// mirror image horizontally
-    fn mirror(&mut self) {
+    pub fn mirror(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         for row in self.pixels.chunks(8) {
@@ -31,7 +31,7 @@ impl Image {
     }
 
     /// rotate image 90° clockwise
-    fn rotate(&mut self) {
+    pub fn rotate(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         // start from bottom-left corner, work upward in that column,

src/tile.rs

@@ -40,6 +40,32 @@ impl Tile {
             "".to_string()
         }
     }
+
+    // todo refactor
+
+    pub fn flip(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.flip();
+            image
+        }).collect()
+    }
+
+    pub fn mirror(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.mirror();
+            image
+        }).collect()
+    }
+
+    pub fn rotate(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.rotate();
+            image
+        }).collect()
+    }
 }
 
 impl From<String> for Tile {