This function sets the seed to a random value. Should you need
to keep a consistent value over a number of runs of a game, you
should be using random_set_seed(). Please note,
that when using the random number functions in GameMaker:
Studio the initial seed is always the same, as this makes
tracing errors and debugging far easier. Should you wish to test
with true random, you should call this function at the start of
The above code will randomize the seed.