MINAS

src/uebung10/logo/DarkForest.java

@@ -1,4 +1,4 @@
-package logo;
+package uebung10.logo;
 
 public interface DarkForest {
     void breadCrumb(double x, double y);

src/uebung10/logo/Demo.java

@@ -1,4 +1,4 @@
-package logo;
+package uebung10.logo;
 
 public class Demo {
     public static void main(String[] args) {

src/uebung10/logo/Go.java

@@ -0,0 +1,19 @@
+package uebung10.logo;
+
+public class Go implements Stmt{
+
+    public final double dist;
+
+    public Go(double dist) {
+        if (dist < 0) {
+            throw new IllegalArgumentException();
+        } else {
+            this.dist = dist;
+        }
+    }
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+}

src/uebung10/logo/HanselGretelFrame.java

@@ -1,4 +1,4 @@
-package logo;
+package uebung10.logo;
 
 import javax.swing.JFrame;
 import javax.swing.JPanel;

src/uebung10/logo/HanselGretelVisitor.java

@@ -0,0 +1,18 @@
+package uebung10.logo;
+
+public class HanselGretelVisitor implements Visitor<Turtle> {
+
+    private double gap;
+    private double s;
+    private Turtle turtle;
+    private DarkForest forest;
+
+    public HanselGretelVisitor(double s, Turtle turtle, DarkForest forest) {
+        this.s = s;
+        this.turtle = turtle;
+        this.forest = forest;
+    }
+
+    
+
+}

src/uebung10/logo/PenDown.java

@@ -0,0 +1,9 @@
+package uebung10.logo;
+
+public class PenDown implements Stmt{
+    
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+}

src/uebung10/logo/PenUp.java

@@ -0,0 +1,9 @@
+package uebung10.logo;
+
+public class PenUp implements Stmt {
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+}

src/uebung10/logo/Sequence.java

@@ -0,0 +1,15 @@
+package uebung10.logo;
+
+public class Sequence implements Stmt {
+
+    public final Stmt[] seq;
+
+    public Sequence(Stmt... seq) {
+        this.seq = seq;
+    }
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+}

src/uebung10/logo/Stmt.java

@@ -0,0 +1,7 @@
+package uebung10.logo;
+
+public interface Stmt {
+
+    public <T> T accept(Visitor<T> visitor);
+
+}

src/uebung10/logo/Turn.java

@@ -0,0 +1,15 @@
+package uebung10.logo;
+
+public class Turn implements Stmt{
+
+    public final double angle;
+
+    public Turn(double angle) {
+        this.angle = angle;
+    }
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+}

src/uebung10/logo/Turtle.java

@@ -1,4 +1,4 @@
-package logo;
+package uebung10.logo;
 
 public class Turtle {
     private double x;

src/uebung10/logo/Visitor.java

@@ -0,0 +1,11 @@
+package uebung10.logo;
+
+public interface Visitor<T> {
+
+    T visit(PenUp penUp);
+    T visit(PenDown penDown);
+    T visit(Turn turn);
+    T visit(Sequence sequence);
+    T visit(Go go);
+
+}