From 9bec90d20c20b01e94a8b5d8364bbe60f9687f05 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Tue, 24 Nov 2015 17:57:23 +0100
Subject: Refactor Bear A.I.

---
 .../physical/stragegies/picker/CyclePicker.java     | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/ch/epfl/maze/physical/stragegies')

diff --git a/src/ch/epfl/maze/physical/stragegies/picker/CyclePicker.java b/src/ch/epfl/maze/physical/stragegies/picker/CyclePicker.java
index e1a969f..efa3794 100644
--- a/src/ch/epfl/maze/physical/stragegies/picker/CyclePicker.java
+++ b/src/ch/epfl/maze/physical/stragegies/picker/CyclePicker.java
@@ -38,4 +38,25 @@ public interface CyclePicker extends BlindPicker {
         return dir;
     }
 
+    /**
+     * Counts the number of rotations to rotates to the given Direction
+     *
+     * @param direction The Direction
+     * @return The number of rotations
+     */
+    default int countRotations(Direction direction) {
+        if (direction == Direction.NONE) return 0;
+        if (this.getStartingDirection() == Direction.NONE) return 0;
+        if (this.getRotationDirection() == Direction.NONE) return 0;
+
+        Direction dir = this.getStartingDirection();
+        int counter = 0;
+        while (dir != direction) {
+            dir = dir.unRelativeDirection(this.getRotationDirection());
+            counter += 1;
+        }
+
+        return counter;
+    }
+
 }
-- 
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