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app.js
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app.js
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var rover = {
directions : "N",
x : 0 ,
y : 0 ,
travelLog : []
}
function turnLeft(rover){
console.log("turnLeft was called!");
switch(rover.directions) {
case "N":
rover.directions = "W";
break;
case "S":
rover.directions = "E";
break;
case "E":
rover.directions = "N";
break;
case "W":
rover.directions = "S";
break;
} if( rover.y < 0){
console.log("Sorry! Unauthorize position");
rover.y += 1;
} else if(rover.y > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1
} else if (rover.x < 0) {
console.log("Sorry! Unauthorize position");
rover.x += 1;
} else if (rover.x > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1;
}
console.log(rover);
}
function turnRight(rover){
console.log("turnRight was called!");
switch(rover.directions) {
case "N" :
rover.directions = "E";
break;
case "S" :
rover.directions = "W";
break;
case "E" :
rover.directions = "S";
break;
case "W" :
rover.directions = "N";
break ;
} if( rover.y < 0){
console.log("Sorry! Unauthorize position");
rover.y += 1;
} else if(rover.y > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1
} else if (rover.x < 0) {
console.log("Sorry! Unauthorize position");
rover.x += 1;
} else if (rover.x > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1;
}
console.log(rover);
}
function moveForward(rover){
console.log("moveForward was called")
switch(rover.directions) {
case "N" :
rover.y -= 1;
break;
case "S" :
rover.y += 1;
break;
case "E" :
rover.x += 1;
break;
case "W" :
rover.x -= 1;
break;
}
if( rover.y < 0){
console.log("Sorry! Unauthorize position");
rover.y += 1;
} else if(rover.y > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1
} else if (rover.x < 0) {
console.log("Sorry! Unauthorize position");
rover.x += 1;
} else if (rover.x > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1;
} rover.travelLog.push(rover.x);
rover.travelLog.push(rover.y);
console.log(rover);
}
function moveBackwards(rover){
console.log("move backwards was called")
switch(rover.directions) {
case "N" :
rover.y += 1;
break;
case "S" :
rover.y -= 1;
break;
case "E" :
rover.x -= 1;
break;
case "W" :
rover.x += 1;
break;
} if( rover.y < 0){
console.log("Sorry! Unauthorize position");
rover.y += 1;
} else if(rover.y > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1
} else if (rover.x < 0) {
console.log("Sorry! Unauthorize position");
rover.x += 1;
} else if (rover.x > 10) {
console.log("Sorry! Unauthorize position");
rover.y -= 1;
} rover.travelLog.push(rover.x);
rover.travelLog.push(rover.y);
console.log(rover);
}
function commands(command){
for (var i = 0; i < command.length; i++){
switch (command[i]) {
case "f":
moveForward(rover);
break;
case "r":
turnRight(rover);
break;
case "l":
turnLeft(rover);
break;
case "b":
moveBackwards(rover);
break;
default:
console.log("Sorry wrong command!");
break;
}
} console.log(rover.travelLog);
}