Room 308
reverse(4);
//reversed for polarity
motorSpeed(4,40);
goToAbsolutePosition(388);
reverse(4);
motorSpeed(4,90);
goFor(.85);
brake(4);
//quick stop
motorSpeed(4,0);
goFor(9);
//waits at gate for 9 seconds
reverse(4);
motorSpeed(4,45);
goToRelativePosition(342);
reverse(4);
motorSpeed(4,90);
goFor(.75);
brake(4);
motorSpeed(4,0);
goFor(12);
//quick stop and then coast to pick up R2D2
motorSpeed(4,40);
goToRelativePosition(-50);
motorSpeed(4,30);
goToRelativePosition(-50);
reverse(4);
motorSpeed(4,90);
goFor(.75);
brake(4);
finally understand the negative marks