每天分享几个python项目 —— cobra snake game

import pygame from pygame import * import random pygame.init() game_over = False left_pressed = False right_pressed = False up_pressed = False down_pressed = False snake_size = 10 width = 50 * snake_size height = 45 * snake_size play_width = 50 * snake_size play_height = 40 * snake_size score = 0 screen = pygame.display.init() size = (width,height) largeText = pygame.font.Font('freesansbold.ttf',30) smallText = pygame.font.Font('freesansbold.ttf',15) scoreText = pygame.font.Font('freesansbold.ttf',30) high_scoreText = pygame.font.Font('freesansbold.ttf',10) x = play_width/2 y = play_height/2 a = x b = y x_change = 0 y_change = 0 def the_snake(snake_size, snake_list): for x in snake_list: pygame.draw.rect(screen,(202, 224, 31),(x[0],x[1],snake_size,snake_size)) pygame.display.update() def game_finished(): global x,y,a,b, score, high_score TextSurf, TextRect = text_objects("*** Game Over ***", largeText, (255,255,255)) TextRect.center = ((width/2),height/2) screen.blit(TextSurf, TextRect) pygame.display.update() time.delay(3000) x = a y = b return def play(): global game_over, x, y, x_change, y_change, screen, a, b, score, left_pressed, right_pressed, up_pressed, down_pressed screen = pygame.display.set_mode(size) pygame.display.set_caption('Cobra Snake Game') food_x = int((random.randint(1,width -snake_size))/snake_size)*snake_size #random values of food food_y = int((random.randint(60,height-snake_size))/snake_size)*snake_size snake_list = [] length_snake = 1 score = 0 speed_of_snake = 30 clock = pygame.time.Clock() while not game_over: screen.fill((255,255,255)) TextSurf, TextRect = text_objects("Cobra Snake Game", smallText, (0,0,0)) #display snake game TextRect.center = ((width/2),(int(30))) screen.blit(TextSurf, TextRect) TextSurf, TextRect = text_objects("Score: ", smallText, (0,0,0)) #display score TextRect.center = ((5*width/6),int(30)) screen.blit(TextSurf, TextRect) TextSurf, TextRect = text_objects(str(score), scoreText, (0,0,0)) #display score TextRect.center = ((10*width/11),int(28)) screen.blit(TextSurf, TextRect) pygame.draw.rect(screen,(0,0,0),(0,60,play_width,play_height)) pygame.draw.rect(screen, (255,0,0), (food_x, food_y, snake_size, snake_size)) #food draw pygame.draw.rect(screen,(202, 224, 31),(x,y,snake_size,snake_size)) pygame.display.update() for event in pygame.event.get(): if event.type == pygame.QUIT: game_over = True keys = pygame.key.get_pressed() if keys[K_LEFT] and not right_pressed: x_change = -10 y_change = 0 left_pressed = True right_pressed = False up_pressed = False down_pressed = False if keys[K_RIGHT] and not left_pressed: x_change = 10 y_change = 0 left_pressed = False right_pressed = True up_pressed = False down_pressed = False if keys[K_UP] and not down_pressed: x_change = 0 y_change = -10 left_pressed = False right_pressed = False up_pressed = True down_pressed = False if keys[K_DOWN] and not up_pressed: x_change = 0 y_change = 10 left_pressed = False right_pressed = False up_pressed = False down_pressed = True x = x + x_change y = y + y_change snake_head = [] snake_head.append(x) snake_head.append(y) snake_list.append(snake_head) if len(snake_list) > length_snake: del snake_list[0] for i in snake_list[:-1]: if i == snake_head: game_finished() score = 0 play() the_snake(snake_size,snake_list) if x == food_x and y== food_y: food_x = int((random.randint(1,width -snake_size))/snake_size)*snake_size food_y = int((random.randint(60,height-snake_size))/snake_size)*snake_size score = score + 1 length_snake = length_snake + 1 print(score) pygame.display.update() if x == play_width or x == 0 or y == 50 or y == height: game_finished() score = 0 play() time.delay(speed_of_snake) pygame.display.update() def text_objects(text, font, color): textSurface = font.render(text, True, color) return textSurface, textSurface.get_rect() play()