Create tile-map class.
Do not call old, currently unusable code.
Do nothing when world callback is called.
Fix bad check for specific map.
Change first map to load.
Remove bad period.
Require and instantiate a test case of tile-map class.
Remove unncessary loop.
Fix variable being undefined when it should not be.
Remove unnecessary loop.
Prep. for storing tile class instances.
Create tile instances.
Fix misnamed variables.
Require tile class.
Fix class name.
Store tiles in object, not array.
Add draw method to tile class.
Add draw method to tile-map class.
Fix setting wrong tile indexes.
Fix bad draw call.