canvas.clear();
// Finding color bullets
ScreenRegion greenBullet = s.wait(new ColorImageTarget(Images.GreenBullet),10000);
ScreenRegion redBullet = s.find(new ColorImageTarget(Images.RedBullet));
ScreenRegion silverBullet = s.find(new ColorImageTarget(Images.SilverBullet));
canvas.addBox(greenBullet);
canvas.addLabel(Relative.to(greenBullet).topLeft().above(20).getScreenLocation(), "green");
canvas.addBox(redBullet);