point p1, p2, p3, p4;

[setup, 500, 500]{
	p1 = new point(100, 200);
 p2 = new point(400, 50); 
 p3 = new point(400, 300); 
 p4 = new point(500, 250); 

}

[paint]{
	clearAll();
 setColor(255, 0, 0);
	fillOval(p1, 25, 25);	
	drawBezierCurve(p2, p3, p3, p4);
 setColor(0, 0, 245);
 fillOval(p2, 10, 10);
 setColor(0, 0, 245);
	drawBezierCurve(p3, p4, p4, p2);
 fillOval(p3, 10, 10);
 setColor(0, 0, 245);
 fillOval(p4, 10, 10);

}

[always]{
	p1.pushTo(mouse);
}

[everyterm, 1, 4, 3]{
	p2.pushTo(p1);
}

[everyterm, 2, 4, 2]{
	p3.pushTo(p2);
}

[everyterm, 3, 4, 1]{
	p4.pushTo(p3);
}