/** Draws the state of the game. */
protected void draw() {
clear();
text(0.5, 0.9, label);
text(0.5, 0.8, textBeingEntered);
double yDecrement = 0.5 / (game.getRoot().height() + 1);
drawSubtree(game.getRoot(), 0.5 - yDecrement / 2, yDecrement, 0.0, 1.0);
show(0);
}
