This code requires some libraries, PeasyCam, PostFX for Processing and FastNoise. PeasyCam and PostFX can get from contribution manager on P5 IDE. but FastNoise lib is not, You have to compile it yourself.
Download or Clone FastNoise, and open extracted folder with console(PowerShell etc…).
Compiling.
> javac -d . *java
Archiving. File called “fastnoise.jar” will be created.
> jar -cvf fastnoise.jar fastnoise
And you copy .jar file to processing library, e.g. c:\YOUR_HOME\Documents\Processing\libraries\fastnoise\library\