Changed player sprite to circle

Edited allowed orientations for debugging
Game broken, reverting back
Merge branch 'feature-player_switching_between_distinct_orbits' into development
Revert "Game broken, reverting back"

This reverts commit c4dc3c610ae05027efcb0d7a6c258324544ed66a.
Took out code that deals with currentYDirection
Player can switch orbits(0.0_58)

Added an Entity class, of which Player is a subclass
There are 3 orbits that the Player can transition between