CodeFist

robot.js

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

var target = null;
var intelAge = 0;

function log1(value, caption)
{
  if(caption)
    console.log(caption + ": " + JSON.stringify(value));
  else
   	console.log(JSON.stringify(value));

  return value;
}
function log(){}

var pointAt = function(robot, enemy)
{
  var my = robot.position;
  
  var opp = my.y - enemy.y; 
	var adj = my.x - enemy.x; 
  
  var angle = Math.atan2(opp, adj) * 180 / Math.PI;  
  if(angle < 0) angle += 360;
  var myAngle = robot.cannonAbsoluteAngle;
  var diff = angle - myAngle;

  if(diff > 180) diff -= 360; 
  if(diff < -180) diff += 360;
 
  robot.rotateCannon(diff);
}

Robot.prototype.onIdle = function(ev) {
  var robot = ev.robot;
 
  intelAge += 1;  
  if(intelAge > 3)
  {
    target = null;
  }
  
  if(!target)
  {
    robot.rotateCannon(-30);
  }
  else
  {
    pointAt(ev.robot, target);
    robot.fire();
    robot.fire();
    robot.fire();
  }

  robot.turn(-13);
  robot.ahead(23);
};

Robot.prototype.onScannedRobot = function(ev) {
  target = ev.scannedRobot.position;
  intelAge = 0;
};