+ init, load and render tiles in one room.

~ grab GameRectangle

BASICS
simply fill tiles in each room
+ init, load and render tiles in one room.
+ init
+ load
+ render
+ vertex_array > room.vertices (init_vertices)
+ multiple rooms

! clean: WorldMap, Room and Tile inherits from _classes

LOADING FILES
! load/save textures

LOADING MAPS
! try writing a folder in Python

LOADING WHEREABOUTS
! Basic Camera
! move around the map
! WorldMap rooms only draw within the camera

! perform stress test (level loading)
init and load all the rooms in a level, post-transition
render if it is on-screen
how many rooms is "too much" in terms of waiting?

next up...
! SAVING FILES
! SAVING MAPS