Python学習実践一
19567 ワード
へび遊び
pycharm——pygame
game.py
game_items.py
主にpygame内の操作を勉強します
ウィンドウ操作、テキストの描画、イメージのレンダリング、配置
イベントの傍受、画面のリフレッシュと表示、フィードバック操作
不足がありましたら、よろしくお愿いします.
pycharm——pygame
game.py
import pygame #
from game_items import * #
class Game(object): # object ， / 。
def __init__(self):
self.main_window = pygame.display.set_mode((640, 480))
self.main_name = pygame.display.set_caption(' ')
self.score_label = Label() #
self.tip_label = Label(24, False) # &
self.is_game_over = True #
self.is_pause = False #
self.food = Food()
self.snake = Snake()
def start(self):
clock = pygame.time.Clock() #
while True:
self.main_window.fill(BACKGROUND_COLOR)
#
for event in pygame.event.get():
if event.type == pygame.QUIT: #
return
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
return
elif event.key == pygame.K_SPACE:
if self.is_game_over:
self.reset_game()
else:
self.is_pause = not self.is_pause
if not self.is_pause and not self.is_game_over:
if event.type == FOOD_UPDATE_EVENT:
self.food.random_rect()
elif event.type == SNAKE_UPDATE_EVENT:
self.is_game_over = not self.snake.update()
elif event.type == pygame.KEYDOWN:
if event.key in (pygame.K_RIGHT, pygame.K_DOWN, pygame.K_LEFT, pygame.K_UP):
self.snake.change_dir(event.key)
#
self.score_label.draw(' : %d' % self.snake.score, self.main_window)
# &
if self.is_game_over:
self.tip_label.draw(' ， 。', self.main_window)
elif self.is_pause:
self.tip_label.draw(' ， 。', self.main_window)
# （ ）
else:
if self.snake.has_eat(self.food):
self.food.random_rect()
self.food.draw(self.main_window)
self.snake.draw(self.main_window)
pygame.display.update()
clock.tick(60) # （ ）
def reset_game(self):
""" """
self.is_pause = False
self.is_game_over = False
self.snake.reset_snake()
self.food.random_rect()
if __name__ == '__main__':
pygame.init() # pygame
#
Game().start()
pygame.quit() # pygame game_items.py
import pygame
import random
BACKGROUND_COLOR = (232, 232, 232)
SCORE_TEXT_COLOR = (192, 192, 192)
TIP_TEXT_COLOR = (64, 64, 64)
SCREEN_RECT = pygame.Rect(0, 0, 640, 480)
RECT_SIZE = 20
FOOD_UPDATE_EVENT = pygame.USEREVENT #
SNAKE_UPDATE_EVENT = pygame.USEREVENT + 1 #
class Label(object):
def __init__(self, size=48, is_score=True):
"""
:param is_score
"""
self.fond = pygame.font.SysFont('simhei', size) # fond
self.is_score = is_score
def draw(self, text, window):
#
color =SCORE_TEXT_COLOR if self.is_score else TIP_TEXT_COLOR
text_surface = self.fond.render(text, True, color) # self.fond __init__ self.fond
#
# text_rect = text_surface.get_rect() # get_rect
# window_rect = window.get_rect()
# text_rect.y = window_rect.height - text_rect.height
# text_rect.x = window_rect.width - text_rect.width
#
text_rect = text_surface.get_rect()
window_rect = window.get_rect()
if self.is_score:
text_rect.bottomleft = window_rect.bottomleft # mid+ /top+ /bottom+
else:
text_rect.center = window_rect.center
#
window.blit(text_surface, text_rect)
class Food(object):
def __init__(self):
self.color = (255, 0, 0)
self.score = 10
self.rect = (0, 0, RECT_SIZE, RECT_SIZE) # ，
self.random_rect()
def draw(self, window):
pygame.draw.rect(window, self.color, self.rect)
if self.rect.w < RECT_SIZE: #
self.rect.inflate_ip(2, 2)
def random_rect(self):
col = SCREEN_RECT.w / RECT_SIZE - 1
row = SCREEN_RECT.h / RECT_SIZE - 1
x = random.randint(0, col) * RECT_SIZE
y = random.randint(0, row) * RECT_SIZE
self.rect = pygame.Rect(x, y, RECT_SIZE, RECT_SIZE)
self.rect.inflate_ip(-RECT_SIZE, -RECT_SIZE) #
pygame.time.set_timer(FOOD_UPDATE_EVENT, 30000)
class Snake(object):
def __init__(self):
""" """
self.dir = pygame.K_RIGHT
self.score = 0
self.time_interval = 500
self.color = (64, 64, 64)
self.body_list = []
self.reset_snake()
def reset_snake(self):
self.dir = pygame.K_RIGHT
self.score = 0
self.time_interval = 500
self.body_list.clear()
for _ in range(3):
self.add_node()
def add_node(self):
if self.body_list:
head = self.body_list[0].copy()
else:
head = pygame.Rect(-RECT_SIZE, 0, RECT_SIZE, RECT_SIZE)
if self.dir == pygame.K_LEFT:
head.x -= 20
elif self.dir == pygame.K_RIGHT:
head.x += 20
elif self.dir == pygame.K_UP:
head.y -= 20
elif self.dir == pygame.K_DOWN:
head.y += 20
self.body_list.insert(0, head)
pygame.time.set_timer(SNAKE_UPDATE_EVENT, self.time_interval)
def draw(self, window):
for idx, rect in enumerate(self.body_list):
# idx idx==0 True 1； False
# ，
pygame.draw.rect(window, self.color, rect.inflate(-2, -2), idx == 0)
# ， ，
def update(self):
#
body_list_copy = self.body_list.copy()
#
self.add_node()
self.body_list.pop() #
#
if self.is_dead():
self.body_list = body_list_copy
return False
return True
def change_dir(self, to_dir):
hor_dirs = (pygame.K_LEFT, pygame.K_RIGHT)
var_dirs = (pygame.K_UP, pygame.K_DOWN)
if ((self.dir in hor_dirs and to_dir not in hor_dirs) or
(self.dir in var_dirs and to_dir not in var_dirs)):
self.dir = to_dir
def has_eat(self, food):
if self.body_list[0].contains(food.rect):
self.score += food.score
if self.time_interval > 100:
self.time_interval -= 50
self.add_node()
return True
return False
def is_dead(self):
head = self.body_list[0]
if not SCREEN_RECT.contains(head):
return True
for body in self.body_list[1:]:
if head.contains(body):
return True
return False主にpygame内の操作を勉強します
ウィンドウ操作、テキストの描画、イメージのレンダリング、配置
イベントの傍受、画面のリフレッシュと表示、フィードバック操作
不足がありましたら、よろしくお愿いします.