creating obj files from adobe illustrator for TRapcode Form !NOT WORKING RIGHT

objfromai.jsx

main();
function main(){
var list = new Array();
var doc = app.activeDocument;
var str = "";
var coords = new Array();

var ab = doc.artboards[0];
// ab.rulerOrigin = [0 , 0]; 


for(var j in doc.selection){

var sel = doc.selection[j];

for(var i = 0; i < sel.pathPoints.length;i++){

	str = str + "v "+ (sel.pathPoints[i].anchor[0].toFixed(3)) +" " +(sel.pathPoints[i].anchor[1].toFixed(3)) + " 0.0\r\n";
      coords.push("v "+ (sel.pathPoints[i].anchor[0].toFixed(3)) +" " +(sel.pathPoints[i].anchor[1].toFixed(3)) + " 0.0");

    // list.push(sel.pathPoints[0].anchor);
    }
  }

str+="v 0 0 0\r\n";
coords.push("v 0 0 0");
var newLocation = Folder.selectDialog("Select a output folder...");
    var timestamp = Number(new Date());

	var fn =  "file "+ timestamp;// prompt("Enter target file name","myObjFile");
	var tf = newLocation.fsName;
	var txtFile =  new File( tf+"/" + fn + ".obj" ); 

// alert(list);

writeArray(txtFile, coords);
// writeData (txtFile , str  );
    alert("wrote: " + fn + ".obj\nto folder: " + tf);

    }


    function writeArray (txtFile , arr )  
{  
  var out;
   if( txtFile!='' )  
   {   
      //Open the file for writing.   
      out = txtFile.open( 'e', undefined, undefined );
      txtFile.encoding = "UTF-8";   
   }  
   if( out != false )  
   {     
     txtFile.seek(0);
     for(var i in arr){

      txtFile.write((arr[i]) + "\r\n");
     }
               
      txtFile.close();   
     // txtFile.execute();  
   }
}



    function writeData (txtFile , aData )  
{  
	var out;
   if( txtFile!='' )  
   {   
      //Open the file for writing.   
      out = txtFile.open( 'e', undefined, undefined );   
   }  
   if( out != false )  
   {     
	   txtFile.seek(0);
      txtFile.writeln( aData );         
      txtFile.close();   
     // txtFile.execute();  
   }
}