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from guizero import App, Waffle, Text, PushButton, info
import random
# Set up the game - colours, width and height of board and no of moves allowed
colours = ["red", "blue", "green", "yellow", "fuchsia", "purple"]
b_width = 14
b_height = 14
moves_limit = 25
# Set up the palette
def init_palette():
[palette.set_pixel(colours.index(c), 0, c) for c in colours]
# Fill the board with coloured regions
def fill_board():
[board.set_pixel(x, y, random.choice(colours)) for y in range(b_height) for x in range(b_width)]
# Find and flood any squares next to this
def begin_flood(x, y):
replacement = palette.get_pixel(x,y)
target = board.get_pixel(0,0)
flood(0, 0, target, replacement)
win_check()
# Recursively floods adjacent squares
def flood(x, y, target, replacement):
# Algorithm from https://en.wikipedia.org/wiki/Flood_fill
if target == replacement:
return False
if board.get_pixel(x, y) != target:
return False
board.set_pixel(x, y, replacement)
if y+1 <= b_height-1: # South
flood(x, y+1, target, replacement)
if y-1 >= 0: # North
flood(x, y-1, target, replacement)
if x+1 <= b_width-1: # East
flood(x+1, y, target, replacement)
if x-1 >= 0: # West
flood(x-1, y, target, replacement)
# Check if there are any moves left or if they won
def win_check():
moves_left = int(moves_text.value)-1
moves_text.value = moves_left # Update moves left
if moves_left > 0:
squares = board.get_all()
if all(colour == squares[0] for colour in squares):
win_text.value = "Winner!"
reset.visible = True
palette.disable()
else:
win_text.value = "No more moves left!"
reset.visible = True
palette.disable()
# Reset the board and remove the win text/reset button
def reset_board():
reset.visible = False
win_text.value = ""
moves_text.value = moves_limit
init_palette()
fill_board()
palette.enable()
# Set up the game board
app = App("Flood it")
board = Waffle(app, width=b_width, height=b_width, pad=0)
palette = Waffle(app, width=len(colours), height=1, command=begin_flood, dotty=True)
moves_left = Text(app, text="Moves left:")
moves_text = Text(app, text=moves_limit)
# Win text and reset button (initially invisible)
win_text = Text(app)
reset = PushButton(app, text="Start again", command=reset_board)
reset.visible = False
# Initialise the palette and the random board pattern
init_palette()
fill_board()
# Instructions
instructions = PushButton(app, command=info, args=["Instructions", "Click a dot to flood the grid with that colour, beginning from the top left square. You have 25 moves to flood all squares on the grid with the same colour."], text="Instructions")
app.display()
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