apollo/maze-solver
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make cell wall statuses public

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This commit is contained in:
Dan Anglin 2024-02-13 21:13:15 +00:00
parent 19a29bbb5b
commit 808e1cee53
Signed by: dananglin
GPG key ID: 0C1D44CFBEE68638
1 changed files with 37 additions and 24 deletions
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61
cell.py
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@ -1,3 +1,4 @@
from typing import Dict
from graphics import Window, Point, Line
@ -17,6 +18,11 @@ class Cell:
A Cell represents a grid on the maze.
"""
TOP_WALL = 0
BOTTOM_WALL = 1
LEFT_WALL = 2
RIGHT_WALL = 4
def __init__(
self,
x1: int, y1: int,
@ -39,10 +45,12 @@ class Cell:
left_wall = Line(Point(x1, y1), Point(x1, y2))
right_wall = Line(Point(x2, y1), Point(x2, y2))
self._top_wall = CellWall(top_wall)
self._bottom_wall = CellWall(bottom_wall)
self._left_wall = CellWall(left_wall)
self._right_wall = CellWall(right_wall)
self._walls: Dict[int, CellWall] = {
Cell.TOP_WALL: CellWall(top_wall),
Cell.BOTTOM_WALL: CellWall(bottom_wall),
Cell.LEFT_WALL: CellWall(left_wall),
Cell.RIGHT_WALL: CellWall(right_wall),
}
# Calculate the cell's central point
centre_x = x1 + ((x2 - x1) / 2)
@ -64,10 +72,10 @@ class Cell:
"""
configure_walls configures the existence of the Cell's walls.
"""
self._top_wall.exists = top
self._bottom_wall.exists = bottom
self._left_wall.exists = left
self._right_wall.exists = right
self._walls[Cell.TOP_WALL].exists = top
self._walls[Cell.BOTTOM_WALL].exists = bottom
self._walls[Cell.LEFT_WALL].exists = left
self._walls[Cell.RIGHT_WALL].exists = right
def centre(self) -> Point:
"""
@ -75,6 +83,11 @@ class Cell:
"""
return self._centre
def wall_exists(self, wall: int) -> bool:
if wall not in self._walls:
raise Exception("received invalid cell wall")
return self._walls[wall].exists
#def break_walls_r(self, i: int, j: int) -> None:
# self.visited = True
# while True:
@ -89,47 +102,47 @@ class Cell:
if not self._window:
return
if self._top_wall.exists:
if self.wall_exists(Cell.TOP_WALL):
self._window.draw_line(
self._top_wall.line,
self._walls[Cell.TOP_WALL].line,
fill_colour=self._window.cell_grid_colour,
)
else:
self._window.draw_line(
self._top_wall.line,
self._walls[Cell.TOP_WALL].line,
fill_colour=self._window.background_colour,
)
if self._bottom_wall.exists:
if self.wall_exists(Cell.BOTTOM_WALL):
self._window.draw_line(
self._bottom_wall.line,
self._walls[Cell.BOTTOM_WALL].line,
fill_colour=self._window.cell_grid_colour,
)
else:
self._window.draw_line(
self._bottom_wall.line,
self._walls[Cell.BOTTOM_WALL].line,
fill_colour=self._window.background_colour,
)
if self._left_wall.exists:
if self.wall_exists(Cell.LEFT_WALL):
self._window.draw_line(
self._left_wall.line,
self._walls[Cell.LEFT_WALL].line,
fill_colour=self._window.cell_grid_colour,
)
else:
self._window.draw_line(
self._left_wall.line,
self._walls[Cell.LEFT_WALL].line,
fill_colour=self._window.background_colour,
)
if self._right_wall.exists:
if self.wall_exists(Cell.RIGHT_WALL):
self._window.draw_line(
self._right_wall.line,
self._walls[Cell.RIGHT_WALL].line,
fill_colour=self._window.cell_grid_colour,
)
else:
self._window.draw_line(
self._right_wall.line,
self._walls[Cell.RIGHT_WALL].line,
fill_colour=self._window.background_colour,
)
@ -150,11 +163,11 @@ class Cell:
class CellInvalidError(Exception):
"""
CellInvalidError is returned when the program tries to create a Cell whose
CellInvalidError is raised when the program tries to create a Cell whose
values are invalid. The values are invalid when x2 is smaller than x1
and/or y2 is smaller than y1. When creating a Cell the x and y values
should always represent the top left and the bottom right of the cell's
walls (i.e. x1 < x2 and y1 < y2).
should always represent the top left and the bottom right corners of
the cell (i.e. x1 < x2 and y1 < y2).
"""
def __init__(self, x1: int, y1: int, x2: int, y2: int, *args):
@ -170,7 +183,7 @@ class CellInvalidError(Exception):
class CellTooSmallError(Exception):
"""
CellTooSmallError is returned when the program tries to create a Cell
CellTooSmallError is raised when the program tries to create a Cell
which is too small to correctly draw it's central point.
"""