Added more proper wall texture
Scaled down stoneblock texture
Enforce levelblock height of 40
made window dimension constants ints
Added texture size multiple constant
restructured levelblocks. added tiled layer
made game height a multiple of 40
Physics update in hero model. removed friction which causes hero to get
stuck.
Removed restitution from walls
Abstracted level chunks to avoid code duplication
Added box object
moved body settings into Box object
Changed box texture
Resized box in box-builder method
General update hero physics
Update bottom to use new levelblock abstractions
Made bottom platform truly at the bottom