mine_sweeper.py

[python]
""" mine_sweeper.py – Copyright 2016 Kenichiro Tanaka """
import sys
from math import floor
from random import randint
import pygame
from pygame.locals import QUIT, MOUSEBUTTONDOWN

WIDTH = 20
HEIGHT = 15
SIZE = 50
NUM_OF_BOMBS = 20
EMPTY = 0
BOMB = 1
OPENED = 2
OPEN_COUNT = 0
CHECKED = [[0 for _ in range(WIDTH)] for _ in range(HEIGHT)]

pygame.init()
SURFACE = pygame.display.set_mode([WIDTH*SIZE, HEIGHT*SIZE])
FPSCLOCK = pygame.time.Clock()

def num_of_bomb(field, x_pos, y_pos):
""" 周囲にある爆弾の数を返す """
count = 0
for yoffset in range(-1, 2):
for xoffset in range(-1, 2):
xpos, ypos = (x_pos + xoffset, y_pos + yoffset)
if 0 <= xpos < WIDTH and 0 <= ypos < HEIGHT and \
field[ypos][xpos] == BOMB:
count += 1
return count

def open_tile(field, x_pos, y_pos):
""" タイルをオープン """
global OPEN_COUNT
if CHECKED[y_pos][x_pos]: # 既にチェック済みのタイル
return

CHECKED[y_pos][x_pos] = True

for yoffset in range(-1, 2):
for xoffset in range(-1, 2):
xpos, ypos = (x_pos + xoffset, y_pos + yoffset)
if 0 <= xpos < WIDTH and 0 <= ypos < HEIGHT and \
field[ypos][xpos] == EMPTY:
field[ypos][xpos] = OPENED
OPEN_COUNT += 1
count = num_of_bomb(field, xpos, ypos)
if count == 0 and \
not (xpos == x_pos and ypos == y_pos):
open_tile(field, xpos, ypos)

def main():
""" メインルーチン """
smallfont = pygame.font.SysFont(None, 36)
largefont = pygame.font.SysFont(None, 72)
message_clear = largefont.render("!!CLEARED!!",
True, (0, 255, 225))
message_over = largefont.render("GAME OVER!!",
True, (0, 255, 225))
message_rect = message_clear.get_rect()
message_rect.center = (WIDTH*SIZE/2, HEIGHT*SIZE/2)
game_over = False

field = [[EMPTY for xpos in range(WIDTH)]
for ypos in range(HEIGHT)]

# 爆弾を設置
count = 0
while count < NUM_OF_BOMBS:
xpos, ypos = randint(0, WIDTH-1), randint(0, HEIGHT-1)
if field[ypos][xpos] == EMPTY:
field[ypos][xpos] = BOMB
count += 1

while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
if event.type == MOUSEBUTTONDOWN and \
event.button == 1:
xpos, ypos = floor(event.pos[0] / SIZE),\
floor(event.pos[1] / SIZE)
if field[ypos][xpos] == BOMB:
game_over = True
else:
open_tile(field, xpos, ypos)

# 描画
SURFACE.fill((0, 0, 0))
for ypos in range(HEIGHT):
for xpos in range(WIDTH):
tile = field[ypos][xpos]
rect = (xpos*SIZE, ypos*SIZE, SIZE, SIZE)

if tile == EMPTY or tile == BOMB:
pygame.draw.rect(SURFACE,
(192, 192, 192), rect)
if game_over and tile == BOMB:
pygame.draw.ellipse(SURFACE,
(225, 225, 0), rect)
elif tile == OPENED:
count = num_of_bomb(field, xpos, ypos)
if count > 0:
num_image = smallfont.render(
"{}".format(count), True, (255, 255, 0))
SURFACE.blit(num_image,
(xpos*SIZE+10, ypos*SIZE+10))

# 線の描画
for index in range(0, WIDTH*SIZE, SIZE):
pygame.draw.line(SURFACE, (96, 96, 96),
(index, 0), (index, HEIGHT*SIZE))
for index in range(0, HEIGHT*SIZE, SIZE):
pygame.draw.line(SURFACE, (96, 96, 96),
(0, index), (WIDTH*SIZE, index))

# メッセージの描画
if OPEN_COUNT == WIDTH*HEIGHT – NUM_OF_BOMBS:
SURFACE.blit(message_clear, message_rect.topleft)
elif game_over:
SURFACE.blit(message_over, message_rect.topleft)

pygame.display.update()
FPSCLOCK.tick(15)

if __name__ == ‘__main__’:
main()
[/python]

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