Polygon source = new Polygon();
source.addPoint(100,100);
source.addPoint(150,80);
source.addPoint(210,120);
source.addPoint(340,150);
source.addPoint(150,200);
source.addPoint(120,250);
this.source = source;
circle = new Circle(0,0,50);
rect = new Rectangle(-100,-40,200,80);