On: An Introduction to ASCII Ray Marching

[pdkl95]

I ported it to aalib. Instead of a 7 character linear ramp, the aalib version renders to a larger framebuffer, dithers it down to the closes matching characters.

https://gist.github.com/pdkl95/094cc065ab0215e121da29a63e6c1...

        ajWm##Xs,
      aWWWWBm##S2s,
     jQQWQWWmm#XXov,
    _QQQQWWBBm#ZX2n(
    ]QQQWWWBmm#XXovl
    4WWWWWmmm#XX2ovi`
    ]mBBmmmm#XXXonl|
     ###m##ZZXSonI|`
     -XZZZXXXonvI|~
       "Xo2onvvi+`
         -"^^~~