Added remaining ghosts incl. movment-strategies

src/main/java/se/urmo/game/entities/ClydeStrategy.java

@@ -0,0 +1,21 @@
+package se.urmo.game.entities;
+
+import se.urmo.game.map.GameMap;
+
+import java.awt.Point;
+
+public class ClydeStrategy implements GhostStrategy {
+    @Override
+    public Point chooseTarget(Ghost clyde, PacMan pacman, GameMap map) {
+        Point pacTile = pacman.getTilePosition();
+        Point clydeTile = clyde.getPosition(); // ghost’s current tile
+
+        double distance = pacTile.distance(clydeTile);
+
+        if (distance > 8) {
+            return pacTile; // chase Pac-Man
+        } else {
+            return new Point(0, map.getHeight() - 1); // retreat to corner
+        }
+    }
+}