void nextPos() {
      int moveX = (int) random(-10,10);
      int moveY = (int) random(-10,10);
      oldX = x;
      oldY = y;
      int deltaX = x-mouseX;
      int deltaY = y-mouseY;
      if (abs(deltaX)<65 && abs(deltaY)<65 && deltaX != 0 && deltaY != 0) {
        x += deltaX/abs(deltaX)*15;
        y += deltaY/abs(deltaY)*15;
      } else {
        x += moveX;
        y += moveY;
      }