HexDecimal / python-tdl

            ]

    TORCH_RADIUS = 10.0

    SQUARED_TORCH_RADIUS = TORCH_RADIUS * TORCH_RADIUS

    if not path_init:

        path_init = True

        path_map = libtcod.map_new(SAMPLE_SCREEN_WIDTH, SAMPLE_SCREEN_HEIGHT)

        for y in range(SAMPLE_SCREEN_HEIGHT):

            for x in range(SAMPLE_SCREEN_WIDTH):

                if smap[y][x] == ' ':

                    # ground

                    libtcod.map_set_properties(path_map, x, y, True, True)

                elif smap[y][x] == '=':

                    # window

                    libtcod.map_set_properties(path_map, x, y, True, False)

        path = libtcod.path_new_using_map(path_map)

        path_dijk = libtcod.dijkstra_new(path_map)

    if first:

        libtcod.sys_set_fps(30)

        # we draw the foreground only the first time.

    dx = 0.0

    dy = 0.0

    di = 0.0

    if not fov_init:

        fov_init = True

        fov_map = libtcod.map_new(SAMPLE_SCREEN_WIDTH, SAMPLE_SCREEN_HEIGHT)

        for y in range(SAMPLE_SCREEN_HEIGHT):

            for x in range(SAMPLE_SCREEN_WIDTH):

                if smap[y][x] == ' ':

                    # ground

                    libtcod.map_set_properties(fov_map, x, y, True, True)

                elif smap[y][x] == '=':

                    # window

                    libtcod.map_set_properties(fov_map, x, y, True, False)

        # 1d noise for the torch flickering

        fov_noise = libtcod.noise_new(1, 1.0, 1.0)

    torchs = 'off'

    lights = 'off'

    if fov_torch: