A basic 3D floor
Using 3D Floor Mode
1. initial editor setup
2. build the overall game sector
3. build the sector which is to be the 3D floor
4. highlight that sector and select the 3D Floor Mode icon
5. the editor generates a green control sector
6. using the right mouse button move and resize that control sector
7. now highlight and click on the sector
8. to open this dialog
9. click on Add 3D floor to open this menu,
choose ceiling/floor heights and textures
10. the editor adds the 3D floor control sector in the green control area
11. what it looks like in the editor preview
12. edit the brightness of the control sector to add a shadow
if so desired
13. what it looks like in-game
