POC of displaying 3D. The projection is done manually.
Reformatted file.
More reformatting.
Remove point classes and separate structures for 2D points.
Code cleanup.
More code cleanup.
Code cleanup.
More code cleanup.
Code cleanup.
More code cleanup.
Code cleanup.
Code cleanup.
Code cleanup.
Code cleanup.
Code cleanup.
Added notes about mouse functionality.
Added comments about scaling and translating.
Comments cleanup.
Added an entry for the 3d example.