Karel Challenges

Just press ctrl+f and type in #.#.#
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2.1.1
// The Starting Function
function start() {
    gotoBall();
    returnSpot();
}

// Function To Goto Ball
function gotoBall(){
    turnLeft();
    fourMove();
    turnRight();
    move();
    move();
    takeBall();
}

// Function To Return Back
function returnSpot(){
    turnAround();
    move();
    move();
    turnLeft();
    fourMove();
    turnLeft();
    putBall();
}

// Function To Move Four Times
function fourMove(){
    move();
    move();
    move();
    move();
}

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2.1.2
/* This program will have Karel run around the racetrack
 * 8 times. */
function start() {
    tennisBalls();
}

function goAround(){
    while (noBallsPresent()){
        move();
        if (frontIsBlocked()){
            tennisBalls();
            turnLeft();
            move();
        }
    }
}

function tennisBalls(){
    for (var i = 0; i < 32; i++) {
        while(frontIsClear()) {
            move();
        }
        putBall();
        turnLeft();
    }
}

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2.1.3
// Main starting function.
function start() {
    while(frontIsClear()) {
        buildTower();
        turnAround();
        climbDown();
        move();
        if(frontIsClear()) {
            move();
        }
    }
    if(frontIsBlocked()) {
        turnAround();
        if(frontIsClear()) {
            move();
        }
        if(noBallsPresent()) {
            turnAround();
            if(frontIsClear()) {
                move();
            }
            buildTower();
            turnAround();
            climbDown();
        }
        if(ballsPresent()) {
            turnAround();
            if(frontIsClear()) {
                move();
            }
        }
        if(frontIsClear()) {
            turnAround();
            move();
        }
    }
    if(notFacingEast()) {
        turnAround();
    }
}

function buildTower() {
    putBall();
    turnLeft();
    move();
    putBall();
    move();
    putBall();
}

function climbDown() {
    move();
    move();
    turnLeft();
}

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2.1.4
// Function To Clean Up All The Balls
function start() {
	ballsTaken();
	while(leftIsClear()) {
	    endUpFacingEast();
	    ballsTaken();
	    if(rightIsClear()){
	        endUpFacingWest();
	        ballsTaken();
	    } else {
	        turnAround();
	    }
	}
}

function ballsTaken() {
    if(ballsPresent()) {
        takeBall();
    }
    while(frontIsClear()) {
        move();
        if(ballsPresent()) {
            takeBall();
        }
    }
}

function endUpFacingEast() {
    turnLeft();
    move();
    turnLeft();
}

function endUpFacingWest() {
    turnRight();
    move();
    turnRight();
}

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2.1.5
function start(){
    move();
    while(ballsPresent()) {
        takeBall();
        move();
        putBall();
        putBall();
        turnAround();
        move();
        turnAround();
    }
    move();
    while(ballsPresent()) {
        takeBall();
        turnAround();
        move();
        putBall();
        turnAround();
        move();
    }
    turnAround();
    move();
    move();
    turnAround();
}

function fakeOne() {
    move();
}

// My fake code
function fakeTwo() {
    move();
}

// My fake code
function fakeThree() {
    move();
}

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