modul comunication function

modul com()

// emission
function com(msg){
  var siblingModuls = modul.sonar();
  if(siblingModuls.length === 0){
    ui.log("Nothing sent, you seem alone…");    
  }else{
    var modul1 = siblingModuls[0];
    var modulimg = modul1.image();
    modul1.send(msg);
    ui.log("Your modul sent “"+msg+"”");
  }
}

// reception
modul.on( 'message', function( fromModul, message ){
  if (message === "dog"){
    fromModul.send("V•ᴥ•V"); // automatic message
  }else if(message === "go right"){
    // the modul can be remote controlled by another modul
    modul.move("right");
  }else if(message === "go left"){
    modul.move("left");
  }else if(message === "go top"){
    modul.move("top");
  }else if(message === "go bottom"){
    modul.move("bottom");
  }
  ui.log(fromModul.name+" says “"+message+"”");
});