Here is a list of all variables with links to the files they belong to:

p< const > : term.lua
PARTICLE_SIZE< const > : particles.lua
pause : input.lua
paused_input : input.lua
paused_input< const > : input.lua
PERSP_ANGLE< const > : camera.lua
PERSP_ANGLE_COS< const > : camera.lua
PERSP_ANGLE_SIN< const > : camera.lua
pformat : utils.lua
PIECE_BISHOP< const > : chess.lua
PIECE_KING< const > : chess.lua
PIECE_KNIGHT< const > : chess.lua
PIECE_PAWN< const > : chess.lua
PIECE_QUEEN< const > : chess.lua
PIECE_ROOK< const > : chess.lua
PIXEL_SIZE< const > : img_conv.lua
player : demo1.lua, players.lua, cathedral.lua, coll.lua, fe0.lua, fe1.lua, fe2.lua, fe3.lua, fiona.lua, harvest_moon.lua, house0.lua, house1.lua, light.lua, main.lua, wolfenstein.lua, zelda.lua, all.lua, input.lua, main.lua, input.lua, player.lua
player< const > : term.lua, conway.lua, grid.lua, animation.lua
plot : all.lua, plot.lua
pos : entities.lua, gamma.lua
pprint : utils.lua
press : input.lua
print_mat : common.lua
print_mat4 : utils.lua
print_prof : common.lua
print_vec : common.lua
profile : all.lua, profile.lua, timeline.lua
ps : configure.lua, inspect.lua, plot.lua, timeline.lua