gistfile1.js

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

Robot.prototype.onIdle = function(ev) {
    var robot = ev.robot;
    robot.fire();
    robot.ahead(1); 
    robot.fire();
    //robot.rotateCannon(this.scanDir* 5-5);
    robot.fire(); 
  	robot.turn(1) 
    robot.fire();
    //robot.back(100);
    //robot.rotateCannon(360);
};

Robot.prototype.onScannedRobot = function(ev) {
    var robot = ev.robot;
    console.log("Scanned one");
    robot.fire();
    robot.rotateCannon(this.scanDir* 5); 
  	this.scanDir=-1*this.scanDir;
    robot.fire();
};