Add a new environment variable "USE_EXTERNAL_RAYLIB" which will
alter the load behaviour to not include a directory prefix. This
lets us fallback onto the system library loading mechanism.
Remove specific raylib library filenames.
This ability is important for operating systems like Nix.
* complete fog example
as both fog and basic lighting need the light system it made sense
to seperate it out, there are a few functions from raymath
int rlmath.py
* added shaders custom uniform
* added shaders_texture_waves.py
* added shaders_texture_drawing.py
* bug fix - unwanted transparent effect!
* complete fog example
as both fog and basic lighting need the light system it made sense
to seperate it out, there are a few functions from raymath
int rlmath.py
* added shaders custom uniform
* added shaders_texture_waves.py
* initial commit still WIP
* updated raylib
* undo all changes in this branch except for the example updates
* remove local raylib-c
Co-authored-by: codifies <nospam@antispam.com>
