Implement Pinky A.I.

1 files changed, 29 insertions, 6 deletions

diff --git a/src/ch/epfl/maze/physical/pacman/Pinky.java b/src/ch/epfl/maze/physical/pacman/Pinky.java
index 3e4209d..ebabc15 100644
--- a/src/ch/epfl/maze/physical/pacman/Pinky.java
+++ b/src/ch/epfl/maze/physical/pacman/Pinky.java
@@ -6,31 +6,54 @@ import ch.epfl.maze.physical.GhostPredator;
 import ch.epfl.maze.util.Direction;
 import ch.epfl.maze.util.Vector2D;
 
+import java.util.Vector;
+
 /**
  * Pink ghost from the Pac-Man game, targets 4 squares in front of its target.
+ *
+ * @author Pacien TRAN-GIRARD
  */
-
 public class Pinky extends GhostPredator {
 
+    private static final int TARGET_OFFSET = 4;
     /**
      * Constructs a Pinky with a starting position.
      *
      * @param position Starting position of Pinky in the labyrinth
      */
-
     public Pinky(Vector2D position) {
         super(position);
-        // TODO
     }
 
+    /**
+     * Targets the position the Prey is heading toward.
+     *
+     * @param daedalus The Daedalus
+     * @return The projected position
+     */
     @Override
-    public Direction move(Direction[] choices, Daedalus daedalus) {
-        // TODO
-        return Direction.NONE;
+    protected Vector2D getPreyTargetPosition(Daedalus daedalus) {
+        Vector2D offsetVector = this.getTargetOffsetVector(this.getPreyDirection(daedalus));
+        return this
+                .getPreyPosition(daedalus)
+                .add(offsetVector);
+    }
+
+    /**
+     * Returns the offset vector directed to the given Direction.
+     *
+     * @param direction The Direction
+     * @return The offset Vector2D
+     */
+    private Vector2D getTargetOffsetVector(Direction direction) {
+        return (new Vector2D())
+                .addDirectionTo(direction)
+                .mul(TARGET_OFFSET);
     }
 
     @Override
     public Animal copy() {
         return new Pinky(this.getPosition());
     }
+
 }