Implemented turtle layer and turtle class

test/src/schule/ngb/zm/TestTurtle.java

@@ -0,0 +1,78 @@
+package schule.ngb.zm;
+
+import schule.ngb.zm.turtle.TurtleLayer;
+import schule.ngb.zm.turtle.TurtleLayer.Turtle;
+
+public class TestTurtle extends Zeichenmaschine {
+
+	public static void main( String[] args ) {
+		new TestTurtle();
+	}
+
+	TurtleLayer turtle;
+
+	TurtleLayer.Turtle t1, t2;
+
+	public void setup() {
+		turtle = new TurtleLayer();
+		addLayer(turtle);
+
+		t1 = turtle.getTurtle();
+		t2 = turtle.newTurtle();
+
+		t1.setStrokeWeight(2.0);
+		t2.setStrokeWeight(1.4);
+
+		t1.setFillColor(244, 64, 22);
+		t2.setFillColor(33, 64, 255);
+	}
+
+	@Override
+	public void update( double delta ) {
+		//t1.right(1);
+		t1.penUp();
+		t1.moveTo(100, 100);
+		t1.penDown();
+
+		t2.penUp();
+		t2.moveTo(200, 200);
+		t2.penDown();
+	}
+
+	public void draw() {
+		turtle.clear();
+		star(5, 80, 40, t1);
+		star(5, 80, 40, t2);
+	}
+
+	void star( int corners, int size ) {
+		star(5, size, 40, t1);
+	}
+
+	void star( int corners, int size, int angle, Turtle t ) {
+		int angle2 = (180 - (360/corners) - angle) / 2;
+
+		t.penUp();
+		t.left();
+		t.fd(size*1.25);
+		t.right();
+		t.penDown();
+
+		for( int i = 0; i < corners; i++ ) {
+			t.right(360/corners);
+			t.right(angle2);
+			t.fd(size);
+			t.left(2*angle2);
+			t.fd(size);
+			t.right(angle2);
+		}
+		t.fill();
+
+		t.penUp();
+		t.right();
+		t.fd(size*1.25);
+		t.left();
+		t.penDown();
+	}
+
+}