Przykłady Turtle

JavaApplication1/src/turtle/Poczatek.java

+package turtle;
+
+public class Poczatek {
+    public static void main(String[] args) {
+        Turtle turtle = new Turtle();
+        turtle.penColor("red");
+        turtle.forward(200);
+        turtle.left(90);
+        turtle.forward(200);
+        turtle.left(90);
+        turtle.penColor("blue");
+        turtle.forward(200);
+        turtle.left(90);
+        turtle.forward(200);
+
+        turtle.penColor("green");
+        turtle.left(135);
+        turtle.forward(200 * Math.sqrt(2));
+
+        // przeskok bez rysowania
+        turtle.up();
+        turtle.setPosition(-300, -200);
+        turtle.down();
+        turtle.dot();
+    }
+
+}

JavaApplication1/src/turtle/Wielokat.java

+package turtle;
+
+import java.awt.Color;
+import javax.swing.JOptionPane;
+
+// Narysuj wielokąt foremny o podanej liczbie boków
+public class Wielokat {
+
+    public static void main(String[] args) {
+        final int obwod = 1500;
+        int ileBokow = Integer.parseInt(JOptionPane.showInputDialog("Podaj liczbę boków"));
+
+        Turtle turtle = new Turtle();
+        Turtle.setCanvasSize(obwod/2, obwod/2);
+
+        double kat = 360.0 / ileBokow;
+        double bok = 1.0 * obwod / ileBokow;
+
+        turtle.up();
+        turtle.setPosition(-bok/2, -obwod/(2*Math.PI));
+        turtle.down();
+        turtle.penColor(Color.RED);
+        turtle.width(4);
+
+        for(int i = 0; i < ileBokow; i++) {
+            turtle.forward(bok);
+            turtle.left(kat);
+        }
+    }
+
+}

JavaApplication1/src/turtle/Wielokat_v1.java

+package turtle;
+
+import javax.swing.JOptionPane;
+
+// Narysuj wielokąt foremny o podanej liczbie boków
+public class Wielokat_v1 {
+
+    public static void main(String[] args) {
+        int ileBokow = Integer.parseInt(JOptionPane.showInputDialog("Podaj liczbę boków"));
+
+        Turtle turtle = new Turtle();
+        Turtle.setCanvasSize(1600, 900);
+
+        double kat = 360.0 / ileBokow;
+
+        for(int i = 0; i < ileBokow; i++) {
+            turtle.forward(100);
+            turtle.left(kat);
+        }
+
+    }
+
+}