started on keyboard
got a basic player moving around
built a simple map
rendering via Raycaster object
rendering a flat strip
grid based
casting a ray that hits nothing to walk
rudimentary collision detection
debug graphics for raycasting
accurately finding gridpoints for the ray
pulled common calculations into closure
more readable nextGrid
refactored grid stepping
simplified ray casting
further grid simplification
wall detection
recursive steps and sliding along walls
filling, angles are wrong though
getting closer
working, gotta remove the fisheye