feat: only use clockwise turns for orientation

1 files changed, 6 insertions, 8 deletions

diff --git a/src/Tile/TileOnBoard.ts b/src/Tile/TileOnBoard.ts
index bc1e66d..0fa8005 100644
--- a/src/Tile/TileOnBoard.ts
+++ b/src/Tile/TileOnBoard.ts
@@ -9,7 +9,7 @@ export interface Attachment {
 }
 
 export default class TileOnBoard extends Tile {
-  orientation: number; // amount of 90-degree counter-clockwise rotations from original orientation
+  orientation: number; // amount of 90-degree clockwise rotations from original orientation
   position: {
     x: number;
     y: number;
@@ -28,23 +28,21 @@ export default class TileOnBoard extends Tile {
   }
 
   getSide(direction: Direction) {
-    return super.getSide(direction + this.orientation);
+    return super.getSide(direction - this.orientation);
   }
 
   rotate(rotation = 1) {
-    // We want to rotate clockwise, but orientation stores counter-clockwise rotations,
-    // therefore use the difference, not sum.
-    this.orientation = this.orientation - rotation;
+    this.orientation += rotation;
   }
 
   getAttachments(tile: Tile): Attachment[] {
     return _.flatten([0, 1, 2, 3].map(side => {
       const item = this.getSide(side);
       return [0, 1, 2, 3]
-        .filter(rotation => tile.getSide(side - rotation + 2) === item)
-        .map(rotation => ({
+        .filter(orientation => tile.getSide(side - orientation + 2) === item)
+        .map(orientation => ({
           tile,
-          rotation,
+          orientation,
           side,
           attachTo: this as Tile
         }))