//FightCode can only understand your robot
//if its class is called Robot
var Robot = function(robot) {
  this.sgn  = 1;
  this.count  = 0;
};

Robot.prototype.onIdle = function(ev) {
    var robot = ev.robot;
    robot.ahead(10);
    robot.rotateCannon(-10);
    //robot.back(100);
    //robot.rotateCannon(360);

};

Robot.prototype.onScannedRobot = function(ev) {
  var robot = ev.robot;
  robot.fire();
  robot.rotateCannon(robot.sgn*-10);  
  robot.turn(robot.sgn*10);
  robot.count = (robot.count + 1) % 2;
  if (robot.count == 0) {
    robot.sgn *= -1;
  }
};

Robot.prototype.onWallCollision = function(ev) {
  var r = ev.robot;
  r.rotateCannon(-30);
  r.turn(30); 
}