1 files changed, 38 insertions, 0 deletions

diff --git a/src/ch/epfl/maze/physical/ProbabilisticAnimal.java b/src/ch/epfl/maze/physical/ProbabilisticAnimal.java
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+++ b/src/ch/epfl/maze/physical/ProbabilisticAnimal.java
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+package ch.epfl.maze.physical;
+
+import ch.epfl.maze.util.Direction;
+import ch.epfl.maze.util.Vector2D;
+
+import java.util.Random;
+
+/**
+ * A probabilistic animal that use a random component in its decision making process.
+ *
+ * @author Pacien TRAN-GIRARD
+ */
+
+abstract public class ProbabilisticAnimal extends Animal {
+
+    private final Random randomSource;
+
+    /**
+     * Constructs a probabilistic animal with a starting position
+     *
+     * @param position Starting position of the probabilistic animal in the labyrinth
+     */
+
+    public ProbabilisticAnimal(Vector2D position) {
+        super(position); // no pun intended
+        this.randomSource = new Random();
+    }
+
+    /**
+     * Moves according to a <i>random walk</i>.
+     */
+
+    @Override
+    public Direction move(Direction[] choices) {
+        return choices[randomSource.nextInt(choices.length)];
+    }
+
+}