forked from: fladdict challenge for professionals

Theme:
* Play with BitmapPatterBuilder.
* Purpose of this trial is to find the possibility of the dot pattern.
*
* by Takayuki Fukatsu aka fladdict

Skyscraper Maker v0.1
* Stepping stone to 3D Cityscape, with dot pattern windows and 3D fly by
*
* by Swingpants
