I have been waiting for someone to make this for years!

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Demo RayCast - Gambas France

Software 3D rendering in Gambas!  

Only real complaint is I wish it was built with Qt 5 rather than SDL 2 markup.

 Check out some of the new demos just been put on the farm by a chap called Jack

Lots of SDL2 rendering stuff that i don't understand but i think you might.
things like
Raster
Pendulum
Vector-Balls
UGD