void keyPressed() {

  //println(int(key));

  if (key == 10) {
    //buffer.add("> " + input);
    buffer.add("How does " + input + " make you feel?");
    buffer.add("> ");
    input = "";
    while (buffer.size() >= bufferMax) {
      buffer.remove(0);
    }
  } 
  else {
    if (key == 8) {
      if (input.length() > 0) input = input.substring(0,input.length()-1);
    } 
    else if (key >= 32 && key <= 126) {
      input = input + key;
    }
    String putin = "> " + input;
    buffer.remove(buffer.size()-1);
    buffer.add(putin);
  }


  redraw();
}