code Cleanup

src/ch/zhaw/ads/ADS4_2_test.java

@@ -6,7 +6,7 @@ import org.junit.jupiter.api.BeforeEach;
 import java.util.StringTokenizer;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-/*
+
 public class ADS4_2_test {
     HilbertServer hlb;
     Turtle turtle;
@@ -97,4 +97,3 @@ public class ADS4_2_test {
         }
     }
 }
-*/

src/ch/zhaw/ads/HilbertServer.java

@@ -0,0 +1,37 @@
+package ch.zhaw.ads;
+
+public class HilbertServer implements CommandExecutor {
+    Turtle turtle;
+
+    @Override
+    public String execute(String command) {
+        int depth = Integer.parseInt(command);
+        double dist = 0.8 / (Math.pow(2,depth+1)-1);
+        turtle = new Turtle(0.1, 0.1);
+        hilbert(depth, dist, -90);
+        return turtle.getTrace();
+    }
+
+    public void hilbert(int depth, double dist, double angle){
+        if(depth < 0){
+            return;
+        }
+        depth --;
+        turtle.turn(-angle);
+        // draw recursive
+        hilbert(depth, dist, -angle);
+        turtle.move(dist);
+        turtle.turn(angle);
+        // draw recursive
+        hilbert(depth, dist, angle);
+        turtle.move(dist);
+        // draw recursive
+        hilbert(depth, dist, angle);
+        turtle.turn(angle);
+        turtle.move(dist);
+        // draw recursive
+        hilbert(depth, dist, -angle);
+        turtle.turn(-angle);
+
+    }
+}

src/ch/zhaw/ads/SnowflakeServer.java

@@ -1,7 +1,7 @@
 package ch.zhaw.ads;
 
 public class SnowflakeServer implements CommandExecutor {
-    double distanz = 1.0;
+    double distanz = 0.7;
     Turtle turtle;
 
     @Override
@@ -9,11 +9,11 @@ public class SnowflakeServer implements CommandExecutor {
         int steps = Integer.parseInt(command);
         turtle = new Turtle();
         turtle.reset(0.5, 0.9);
-        turtle.turn(60);
+        turtle.turn(240);
 
-        for(int i = 0; i > 3; i++){
-            turtle.turn(-120);
-            drawSnowFlake(steps, 0.7 * distanz);
+        for(int i = 0; i < 3; i++){
+            drawSnowFlake(steps, distanz);
+            turtle.turn(120);
         }
         return turtle.getTrace();
     }
@@ -25,11 +25,11 @@ public class SnowflakeServer implements CommandExecutor {
             distanz = distanz / 3;
             steps--;
             drawSnowFlake(steps, distanz);
-            turtle.turn(60);
+            turtle.turn(-60);
             drawSnowFlake(steps, distanz);
-            turtle.turn(-120);
+            turtle.turn(120);
             drawSnowFlake(steps, distanz);
-            turtle.turn(60);
+            turtle.turn(-60);
             drawSnowFlake(steps, distanz);
         }
     }