reference / random and noise

`noise`

Smooth random noise from 0 to 1 in one to four dimensions; add as simplex for simplex noise.

for i from 0 to 79 [ point at (i * 5) (300 * noise (i * 0.05)) ]

How to write it

noise x [as word]

Gives a number.

noise x y [as word]

Gives a number.

noise x y z [as word]

Gives a number.

noise x y z w [as word]

Gives a number.