int leftmargin = 10;
  int rightmargin = 20;
  String buff = "";
  boolean didntTypeYet = true;
  
  void setup()
  {
    size(640, 360, P3D);
    textFont(loadFont("Univers45.vlw"), 25);
  }
  
  void draw()
  {
    background(176);
  
    if((millis() % 500) < 250){  // Only fill cursor half the time
      noFill();
    }
    else {
      fill(255);
      stroke(0);
    }
    float rPos;
    // Store the cursor rectangle's position
    rPos = textWidth(buff) + leftmargin;
    rect(rPos+1, 19, 10, 21);
  
    // Some instructions at first
    if(didntTypeYet) {
      fill(0);
      //text("Use the keyboard.", 22, 40);
    }
  
    fill(0);
    pushMatrix();
    translate(rPos,10+25);
    char k;
    for(int i = 0;i < buff.length(); i++) {
      k = buff.charAt(i);
      translate(-textWidth(k),0);
      rotateY(-textWidth(k)/70.0); 
      rotateX(textWidth(k)/70.0);
      scale(1.1);
      text(k,0,0);
    }
    popMatrix();
  }
  
  void keyPressed()
  {
    char k;
    k = (char)key;
    switch(k){
    case 8:
      if(buff.length()>0){
        buff = buff.substring(1);
      }
      break;
    case 13:  // Avoid special keys
    case 10:
    case 65535:
    case 127:
    case 27:
      break;
    default:
      if(textWidth(buff+k)+leftmargin < width-rightmargin){
        didntTypeYet = false;
        buff=k+buff;
      }
      break;
    }
  }