Ruby game engine

Hello!

I am writing a 3D game engine, instead of writing it in C++ and making a binding I am doing it directly in Ruby. I never saw anything similar so I don't know if is a good idea and if is going to work. Until now it's working.

In my engine I have a code similar to this:

Engine::init do
  character_mesh = Engine::Mesh.new("/path/to/mesh")
  Engine::run
end

 The 'Engine::init' initialize systems like Vulkan before executing the code block and finalize those systems after the code block exit. The problem is, I must ensure that 'Mesh.new' can be called only after 'Engine::init' and also ensure the garbage collector free the 'Mesh' after the code block and before my code that finalize Vulkan. What is the best approach to do it?

Note: the Mesh and the code that initialize and finalize Vulkan was entirely implemented in C/C++. I am not using Ruby Rice, I don't feel I need it.

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