Paulinke/Turtelgrafik

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<language>Java</language>
<table border="0" cellpadding="0" cellspacing="10">
<tr>
<td>
'''Nikolaushaus'''
<canvas w="400" h="300"></canvas>
</td>
<td>
'''Treppe'''
<canvas w ="400" h="300"></canvas>
</tr>
<tr>
<td align="center" valign="top">
<code id="5375dc9278fa0">
public void nikolaus(double x) {
double c = Math.sqrt(2) * x;
for (i=1, i<=n, i++){
turtle1.forward(x);
turtle1.right(45);
turtle1.forward(c/2);
turtle1.right(90);
turtle1.forward(c/2);
turtle1.right(135);
turtle1.forward(x);
turtle1.left(45);
turtle1.forward(c);
turtle1.right(135);
turtle1.forward(x);
turtle1.right(135);
turtle1.forward(x);
turtle1.right(135);
turtle1.forward(c);
turtle1.right(135);
turtle1.forward(x);
}
}
</code>
<run id="5375d9ac13e01">
canvas.clear();
turtle1.move(1,299);
nikolaus(50); 
</run>
</td>
<td align="center" valign="top">
<code id="5375dc9279033">
public void treppe(double x, int n) {
  for (i=1, i<=n, i++) {
    turtle2.forward(x);
    turtle2.right(90);
    turtle2.forward(x);
    turtle2.left(90);
  }
  turtle2.right(180);
  turtle2.forward(x*n);
  turtle2.right(90);
  turtle2.forward(x*n);
}
</code>
<run id="5375d9ac13eae">
canvas2.clear();
turtle2.move(200,150);
treppe(40, 3);
</run>
</td>
</tr>
<tr>
<td>
'''Pentagramm'''
</td>
<td>
'''Rosette'''
</td>
</tr>
<tr>
<td>
<canvas w ="400" h="300"></canvas>
</td>
<td>
<canvas w ="400" h="300"></canvas>
</td>
</tr>
<tr>
<td>
<code id="5375dc92790bf">
public void pentagram(int x) {
turtle3.right(144);
for (i=1; i<=5; i++){
turtle3.forward(x);
turtle3.right(144);
}
}
</code>
<run id="5375d9ac13f3e">
canvas3.clear();
turtle3.move(200,150);
pentagram(100);
</run>
</td>
<td>
<code id="5375dc927913b">
public void rosette (double x, int m, int n) {
for (int i=1; i<=n; i++) {
turtle4.right(360/n+1);
n_eck(x,m);
}
}
public void n_eck (double x, int m) {
for (int i=1; i<=m; i++) {
turtle4.forward(x);
turtle4.right(360/m);
}
}
</code>
<run id="5375d9ac13fbc">
canvas4.clear();
turtle4.move(200,150);
rosette(50,5,50);
</run>
</td>
</tr>
</table>

<language>Java</language>
===Zickzacklinie===
<code id="537e0a635407e">
public void zickzacklinie (Object turtle, double x, int n) {
for (int i = 1; i <=n; i++){
turtle5.right(45);
turtle5.forward(x);
turtle5.right(90);
turtle5.forward(x);
turtle5.right(270);
}
}
</code>

<canvas width="750" height="200"></canvas>

<run id="537e0a63541ab">
canvas5.clear();
turtle5.move(100,150);
zickzacklinie(turtle5, 50, 10)
</run>

===Strichellinie===
<code id="537e0a635410e">
public void strichellinie(Object turtle, double x, int n) {
for (int i = 1; i <=n; i++) {
turtle.forward(x);
turtle.penUp();
turtle.forward(x);
turtle.penDown();
}
}

</code>

<canvas width="750" height="200"></canvas>

<run id="537e0a6354231">

canvas6.clear(); 
turtle6.move(50, 100);
strichellinie(turtle2, 40, 12);

</run>