Turbo mode (shift + green flag) to make it run faster https://turbowarp.org/561992052/fullscreen?turbo for going even faster.
based on this web page: https://adrianb.io/2014/08/09/perlinnoise.html @i8d for helping me to solve out some problems. v4.- improved speed v3.- improved how the seed works. v2.- added a seed. v1.- created perlin noise.
