Aggiunto LoginForm e Robot (IntelliJ)

Robot/src/Robot.java

@@ -0,0 +1,45 @@
+import java.awt.Point;
+
+/**
+ * State = 0 -> verso su
+ * State = 1 -> verso destra
+ * State = 2 -> verso il basso
+ * State = 3 -> verso sinistra
+ */
+public class Robot {
+    private int state;
+    private Point pos;
+
+    public Robot() {
+        state = 0;
+        pos = new Point();
+    }
+
+    public void turnLeft() {
+        if(state == 0) state = 3;
+        else state--;
+    }
+
+    public void turnRight() {
+        if(state == 3) state = 0;
+        else state++;
+    }
+
+    public void move() {
+        if(state == 0) pos.translate(0, 1);
+        else if(state == 1) pos.translate(1, 0);
+        else if(state == 2) pos.translate(0, -1);
+        else pos.translate(-1, 0);
+    }
+
+    public Point getLocation() {
+        return pos;
+    }
+
+    public String getDirection() {
+        if(state == 0) return "N";
+        else if(state == 1) return "E";
+        else if(state == 2) return "S";
+        else return "W";
+    }
+}