<script src="http://spelprogrammering.nu/simple.js">
function start()
{
translate(-180,50);

  save();
  translate(500, 400);
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  save();
  rotate(90);
  arrow();
  restore();
  circle(0, 0, 4, "black");
  circle(200, 0, 4, "black");

  line(0,0, 200, 0, 2, "blue", true);
  save();
  rotate(180);
  translate(148, 0);
  save();
  rotate(-90);
  translate(315,0);
  rotate(180);
  arrow(0,0,0,315, true, 2, "red");
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  rotate(180);
  arrow(0,0,0,148, true, 2, "red");
  restore();
  arrow(0, 0, 90, 315, true, 2, "green");
  arrow(0, 0, 136, 455, false, 2, "green");
  save();
  rotate(-90);
  translate(315,0);
  arrow(0, 0, 90, 327, true, 2, "green");
  restore();

  translate(200, 0);
  arrow(0, 0, 90, 228, true, 2, "green");
  arrow(0, 0, 57, 270, false, 2, "green");
  save();
  rotate(-90);
  translate(228,0);
  arrow(0, 0, -90, 148, true, 2, "green");
  restore();
  save();
  rotate(35);
  translate(400, 0);
  rotate(180);
  arrow(0,0,0,400, false, 2, "black");
  restore();

  save();
  translate(327, 0);
  rotate(180);
  arrow(0,0,0,327, true, 2, "red");
  rotate(180);
  rotate(90);
  translate(228, 0);
  rotate(180);
  arrow(0,0,0,228, true, 2, "red");
  restore();


  ring(0, 0, 100, 2, "black");
  translate(-100, 0);
  rotate(90);
  line(0,0, 200, 0, 2, "blue", true);
  rotate(180);
  line(0,0, 200, 0, 2, "blue", true);
  restore();

  save();
  translate(500, 400);
  rotate(150);
  translate(350, 0);
  rotate(180);
  arrow(0, 0, 0, 350);

  restore();
  restore();

  text(480,440,20, "A");
  text(640,550,20, "B");

  save();
  translate(290, 550);
  text(0,0,20, "v");
  text(13,5,15, "A");
  text(15,-20,10, "in");
  restore();

  save();
  translate(720, 800);
  text(0,0,20, "v");
  text(13,5,15, "B");
  text(15,-20,10, "in");
  restore();

  save();
  translate(410, 170);
  text(0,0,20, "v");
  text(13,5,15, "A");
  text(15,-20,10, "ut");
  restore();

  save();
  translate(820, 480);
  text(0,0,20, "v");
  text(13,5,15, "B");
  text(15,-20,10, "ut");
  restore();

}
</script>