changed ship into object. Made new time updating system around js prototypes
added new classes of objects: ships and things with inertia.
changed url system for file lookup. now based on which functions are called
forgot to add objects directory. Now added
Restructured around different levels of space thing complexity.
- object: a thing in space that can rotate.
- inertial: a thing in space that has inertia and inherits from object.
- ship: a ship which inherits from inertial. Should add inertialess ships too.
- playerShip: the player's ship.
Also changed the location of space thing pictures. They are now located in objects/. . . .