+ WIP - entity.graphics, back/fore pg, dust

! Add DUST for...
===
+ running
! varies on speed
+ Only make once per frame.

! slide kicking
+ foreground/background pg
! particle generation timer

! landing
! varies on speed
! a wider radius for an impact

! clinging
! limit by speed

! wall jumping > hitting a wall

! Complete the GRAPHICS sub-class.
Sprite
State Bindings