Application Error

robot.js

var enemyWallbot = false;

var Robot = function(robot) {
  robot.clone()
  if(robot.parentId==null){
    robot.turn(180);
    robot.rotateCannon(180);
  }
};

Robot.prototype.onIdle = function(ev) {
  var robot = ev.robot;
  robot.listen('onHitByBullet');
  robot.listen('onRobotCollision');
  robot.listen('onWallCollision');
  robot.listen('onScannedRobot');
  robot.ahead(1);
  robot.rotateCannon(1);
};

Robot.prototype.onScannedRobot = function(ev) {
  var robot = ev.robot;
  if(isEnemy(robot, ev.scannedRobot)){
    if(isEnemyWallbot(robot, ev.scannedRobot)){

    }
    robot.ignore('onScannedRobot');
    robot.fire();
    var angle = 10;
    for(var i=0;i<angle;i++){
      robot.turn(-1);
      robot.ahead(1);
    }
    robot.listen('onScannedRobot');
    robot.rotateCannon(-5);
    robot.rotateCannon(30);
    robot.rotateCannon(-15);
    robot.ahead(20);
  }
};

Robot.prototype.onHitByBullet = function(ev) {
  var robot = ev.robot;
  robot.ignore('onScannedRobot');
  robot.turn(10);
  robot.ahead(40);
  robot.listen('onScannedRobot');
  engage(ev, ev.bearing);
};

Robot.prototype.onRobotCollision = function(ev) {
  var robot = ev.robot;
  if(isEnemy(robot, ev.collidedRobot)){
    engage(ev, ev.bearing);
  }else{
    var angle = 90;
    for(var i=0;i<angle;i++){
      robot.back(1);
      robot.turn(1);
    }
  }
};

Robot.prototype.onWallCollision = function(ev) {
  var robot = ev.robot;
  if(enemyWallbot){
    // Become the enemy - stick to the wall
    var x = (90+ev.bearing);
    for(i=0;i<x;i++){
      robot.turn(1);
      robot.rotateCannon(-1);
    }
  }else{
    var angle = 100;
    robot.turn(angle);
    for(var i=0;i<angle;i++){
      robot.ahead(2);
      robot.rotateCannon(-1);
    }
  }
};

function engage(ev, bearing){
  var robot = ev.robot;
  // Ignore other events
  robot.ignore('onHitByBullet');
  robot.ignore('onRobotCollision');
  //robot.ignore('onWallCollision');
  // Bring cannon to bear and keep moving
  var cannonBearing = (-robot.cannonRelativeAngle + bearing);
  for(var i=0; i < cannonBearing; i++){
    robot.rotateCannon(1);
    robot.ahead(1);
  }
  // Scan area of bearing
  robot.rotateCannon(-15);
  robot.rotateCannon(15);
}

function isEnemy(my, their){
  if(their.id === my.parentId || their.parentId === my.id){
    return false;
  }
  return true;
};

function isEnemyWallbot(my, their){
  if(their.position.x < 30 || their.position.x > (my.arenaWidth - 30) || their.position.y < 30 || their.position.y > (my.arenaHeight - 30)){
    enemyWallbot = true;
    return true;
  }else{
    enemyWallbot = false;
    return false;
  }
}