void vectorRecord(){
  //PVector v = new PVector(mouseX-pmouseX,mouseY-pmouseY);
  if(pmouseX != mouseX && pmouseY != mouseY){
    path.add(new PVector(mouseX,mouseY));
  }

}



void saveData() {
  int totalin = path.size();
  int want = 20;
  /// average network lenghts
  if (totalin > want) {
   //println(totalin);
    output = createWriter("database/"+(total-1)+".txt"); 
    float[] xCoor = new float[want/2];
    float[] yCoor = new float[want/2];
    int skip = totalin / want;
    int prevOrder = 0;
    int sum = 0;

    // println(skip);
    for (int i = 0; i < want/2; i++) {
      PVector prev = (PVector) path.get(prevOrder);  
      PVector curr = (PVector) path.get(prevOrder+skip);
      prevOrder = prevOrder + skip;
      PVector v = PVector.sub(curr,prev);  

      //println(v.x + " " + v.y);  
      xCoor[i] = v.x;
      yCoor[i] = v.y;
    sum += (v.x + v.y);
        }  

    for(int j = 0; j<want/2; j++){
      
      output.println("x: "+xCoor[j]/sum); // Write the coordinate to the file
      output.println("y: "+yCoor[j]/sum); // Write the coordinate to the file 

    }
    output.flush(); // Writes the remaining data to the file
    output.close(); // Finishes the file
    //  exit(); // Stops the program
    path.clear();
  }


}