random

This function can only be used at the top level. That is, you cannot use it within a function (as that would destroy the purity of functions). If you really do need randomness in a function, you should take in a random seed as a paramete

Monocurl ensures that random functions are predictable in the following sense. Any rerun of a scene will always produce the exact same output, even if it references random functions. This generally helps for debugging and scene creation. However, this may also be unexpected to some users of the random function so be weary.