getKey() is NOT a blocking function. It will NOT wait for a key to be pressed, so you have a value for level. There is a different method that will waitForKey().
level = (key - 48);
Not obvious.
level = (key - '0');
Obvious.
getKey() is NOT a blocking function. It will NOT wait for a key to be pressed, so you have a value for level. There is a different method that will waitForKey().
level = (key - 48);
Not obvious.
level = (key - '0');
Obvious.