#!/usr/bin/env python3
from page087_mask import Mask
from page088_masked_grid import MaskedGrid
from recursive_backtracker import RecursiveBacktracker
import sys
if len(sys.argv) != 2:
raise Exception('Please specify a PNG image to use as a template')
mask = Mask.from_png(sys.argv[1])
grid = MaskedGrid(mask)
RecursiveBacktracker.on(grid)
filename = 'masked.png'
grid.write_png(filename, cell_size=5)
print('saved image to', filename)
if color:
xfw, xnw, xne, xfe, yn, yc, ys = coords_for_cell(cell)
points = [(xfw, yc), (xnw, yn), (xne, yn), (xfe, yc),
(xne, ys), (xnw, ys)]
draw.polygon(points, fill=color)
for cell in self.each_cell():
xfw, xnw, xne, xfe, yn, yc, ys = coords_for_cell(cell)
if not cell.southwest:
draw.line([xfw, yc, xnw, ys], WALL_COLOR, WALL_PIXELS)
if not cell.northwest:
draw.line([xfw, yc, xnw, yn], WALL_COLOR, WALL_PIXELS)
if not cell.north:
draw.line([xnw, yn, xne, yn], WALL_COLOR, WALL_PIXELS)
if cell.has_boundary_with(cell.northeast):
draw.line([xne, yn, xfe, yc], WALL_COLOR, WALL_PIXELS)
if cell.has_boundary_with(cell.southeast):
draw.line([xfe, yc, xne, ys], WALL_COLOR, WALL_PIXELS)
if cell.has_boundary_with(cell.south):
draw.line([xne, ys, xnw, ys], WALL_COLOR, WALL_PIXELS)
img.save(name, 'PNG')
if __name__ == '__main__':
maze = HexGrid(35, 35)
RecursiveBacktracker.on(maze)
maze.to_png(name='hex.png', mode='color')
from recursive_backtracker import RecursiveBacktracker from grid import Grid grid = Grid(20,20) RecursiveBacktracker.mutate(grid) grid.to_string() grid.to_svg()
from recursive_backtracker import RecursiveBacktracker from grid import Grid grid = Grid(15,15) RecursiveBacktracker.mutate(grid, True) grid.to_string() grid.to_svg()
#!/usr/bin/env python3 from grid import Grid from recursive_backtracker import RecursiveBacktracker grid = Grid(5, 5) grid[(0, 0)].east.west = None grid[(0, 0)].south.north = None grid[(4, 4)].west.east = None grid[(4, 4)].north.south = None RecursiveBacktracker.on(grid, start_at=grid[(1, 1)]) print(grid)