Yup. Using a free GL demo I modified it to be simpler, more powerful, support transparency, and be in the same coordinate system as Sc. Surprisingly, OpenGl was just as easy in RB as it is in Obj-C.
This is it:
Realbasic OpenGL Source + Compiled ExamplesArrow keys to move, you can also dynamically resize the window.
So *Cough* when can we expect this in Sc?