float[] loadObjVertex(String obj)
{
  return loadObjVertex(obj,1);
}

float[] loadObjVertex(String obj, float Scale)
{
  String[] lines=loadStrings(obj);
  int numverts=0;
  float[] ret=new float[200000];
  for(int i=0;i<lines.length;i++)
  {
    if(i%1000==0)
      println("line "+i);
    if(lines[i].length()>2)
    {
      if(lines[i].charAt(0)=='v' && lines[i].charAt(1)==' ')
      {
        String[] verts=split(lines[i].substring(1,lines[i].length())," ");
  //      print("Vertex["+numverts+"]:");
        for(int j=0;j<verts.length;j++)
        {
//          ret=append(ret,float(verts[j]));
          ret[numverts]=float(verts[j])*Scale;
        numverts++;
  //        print(" "+verts[j]);
        }
  //      println();
      }
    }
  }
  ret=contract(ret,numverts);
  println("finished loading verticies");
  return ret;
}

float[] loadObjNormals(String obj)
{
  return loadObjNormals(obj, false);
}


float[] loadObjNormals(String obj, boolean flip)
{
  String[] lines=loadStrings(obj);
  int numverts=0;
  float[] ret=new float[200000];
  for(int i=0;i<lines.length;i++)
  {
    if(lines[i].length()>3)
    {
    if(lines[i].indexOf("vn ")==0)
    {
      String[] verts=split(lines[i].substring(2,lines[i].length())," ");
//      print("Vertex["+numverts+"]:");
      for(int j=0;j<verts.length;j++)
      {
//        ret=append(ret,float(verts[j]));
          if(flip)
            ret[numverts]=0-float(verts[j]);
          else
            ret[numverts]=float(verts[j]);
          numverts++;
//        print(" "+verts[j]);
      }
//      println();
    }
    }
  }
  println("finished loading normals");
  ret=contract(ret,numverts);
  return ret;
}

int[] loadObjOrder(String obj)
{
  String[] lines=loadStrings(obj);
  int numfaces=0;
  int[] ret=new int[1000000];
  for(int i=0;i<lines.length;i++)
  {
//    println(i);
    if(lines[i].length()>2)
    {
    if(lines[i].charAt(0)=='f' && lines[i].charAt(1)==' ')
    {
      String[] verts=split(lines[i].substring(1,lines[i].length())," ");
//      print("Face["+numfaces+"]:");
      for(int j=0;j<verts.length;j++)
      {
        String vert=verts[j].substring(0,verts[j].indexOf('/'));
//        ret=append(ret,int(vert));
        ret[numfaces]=int(vert);
      numfaces++;
//        print(" "+vert);
      }
//      println();
    }
    }
  }
  ret=contract(ret,numfaces);
  println("Finished loading vertex order");
  return ret;
}

int[] loadObjNormalOrder(String obj)
{
  String[] lines=loadStrings(obj);
  int numfaces=0;
  int[] ret=new int[1000000];
  for(int i=0;i<lines.length;i++)
  {
    if(lines[i].length()>2)
    {
    if(lines[i].charAt(0)=='f' && lines[i].charAt(1)==' ')
    {
      String[] verts=split(lines[i].substring(1,lines[i].length())," ");
//      print("Face["+numfaces+"]:");
      for(int j=0;j<verts.length;j++)
      {
        String[] arr=split(verts[j],"/");
//        ret=append(ret,int(arr[2]));
        ret[numfaces]=int(arr[arr.length-1]);
        numfaces++;
      }
//      println();
//      numfaces++;
    } 
    }
  }
  ret=contract(ret,numfaces);
  println("Finished loading normal order");
  return ret;
}