Code doesn't need any extra flags, using g++:
g++ main.cppThen just run executable. It probably works only with UNIX.
Parameters variables you can change starts in line 12.
MAP_WIDTH and MAP_HEIGHT have to fit to size of board you created.
SCREEN_WIDTH and SCREEN_HEIGHT are sizes of board on terminal.
posX and posY are starting coordinates of player. The coordinate system starts in left bottom corner of board with.
direction is angle of direction of player in degrees relative.
FOV is an field of view of player in degrees.
MOVEMENT_SPEED is step player will do every key press.
ROTATION_SPEED is step in degrees player will rotate every key press.
charset is set of colors used to drawing walls (from closer to farther). There are some example sets in comment underneath. COLORS has to be set on size of charset.
ceil_color and floor_color are characters of ceil and floor respectively.
Generally smaller fonts looks better. Diffrent fonts and terminal backgrounds need diffrent charsets to look good.
To move player press and/or hold keys:
w - go forward
s - go back
d - go right
a - go left
l - rotate right
k - rotate left