Le Rândom

robot.js

var rand = function(upto) {
  return Math.random() * upto
}
//FightCode can only understand your robot
//if its class is called Robot
var Robot = function(robot) {
  this.enemy = {}
  this.mode = 1
};

Robot.prototype.onIdle = function(ev) {
  var robot = ev.robot;
  robot.rotateCannon(this.mode * 15);
  robot.ahead(this.mode * 2 + 20 * rand(2));
};
Robot.prototype.onHitByBullet = function(ev) {
  var robot = ev.robot;
  robot.ahead(20 * rand(2));
  robot.turn(45 * rand(3));
  robot.back(20 * rand(2));
  this.mode *= -1
}
Robot.prototype.onWallCollision = function(ev) {
  var robot = ev.robot;
  robot.turn(ev.bearing)
  robot.back(100);
}

Robot.prototype.onScannedRobot = function(ev) {
  var robot = ev.robot;
  robot.fire();
  robot.fire();
  robot.ahead(
    40 + 30 * this.mode * rand(3)
 	)
  var le_turn = 45 * this.mode * rand(2);
  robot.turn(le_turn);
  robot.rotateCannon(-le_turn);
  
  if (this.mode == 1) {

    robot.ahead(30);
    robot.rotateCannon(-10);
  }
  else {
    robot.back(30);
    robot.rotateCannon(10);
  }
  this.mode *= -1;
};