import pygame, sys, time, random
from pygame.locals import *# Set up pygame.
pygame.init()
mainClock = pygame.time.Clock()# Set up the window.
WINDOWWIDTH = 400
WINDOWHEIGHT = 400
windowSurface = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT), 0, 32)
pygame.display.set_caption('Sprites and Sounds')# Set up the colors.
WHITE = (255, 255, 255)# Set up the block data structure.
player = pygame.Rect(300, 100, 40, 40)
playerImage = pygame.image.load('player.png')
playerStretchedImage = pygame.transform.scale(playerImage, (40, 40))
foodImage = pygame.image.load('cherry.png')
foods = []
for i in range(20):foods.append(pygame.Rect(random.randint(0, WINDOWWIDTH - 20), random.randint(0, WINDOWHEIGHT - 20), 20, 20))foodCounter = 0
NEWFOOD = 40# Set up keyboard variables.
moveLeft = False
moveRight = False
moveUp = False
moveDown = FalseMOVESPEED = 6# Set up the music.
pickUpSound = pygame.mixer.Sound('pickup.wav')
pygame.mixer.music.load('background.mid')
pygame.mixer.music.play(-1, 0.0)
musicPlaying = True# Run the game loop.
while True:# Check for the QUIT event.for event in pygame.event.get():if event.type == QUIT:pygame.quit()sys.exit()if event.type == KEYDOWN:# Change the keyboard variables.if event.key == K_LEFT or event.key == K_a:moveRight = FalsemoveLeft = Trueif event.key == K_RIGHT or event.key == K_d:moveLeft = FalsemoveRight = Trueif event.key == K_UP or event.key == K_w:moveDown = FalsemoveUp = Trueif event.key == K_DOWN or event.key == K_s:moveUp = FalsemoveDown = Trueif event.type == KEYUP:if event.key == K_ESCAPE:pygame.quit()sys.exit()if event.key == K_LEFT or event.key == K_a:moveLeft = Falseif event.key == K_RIGHT or event.key == K_d:moveRight = Falseif event.key == K_UP or event.key == K_w:moveUp = Falseif event.key == K_DOWN or event.key == K_s:moveDown = Falseif event.key == K_x:player.top = random.randint(0, WINDOWHEIGHT - player.height)player.left = random.randint(0, WINDOWWIDTH - player.width)if event.key == K_m:if musicPlaying:pygame.mixer.music.stop()else:pygame.mixer.music.play(-1, 0.0)musicPlaying = not musicPlayingif event.type == MOUSEBUTTONUP:foods.append(pygame.Rect(event.pos[0] - 10, event.pos[1] - 10, 20, 20))foodCounter += 1if foodCounter >= NEWFOOD:# Add new food.foodCounter = 0foods.append(pygame.Rect(random.randint(0, WINDOWWIDTH - 20), random.randint(0, WINDOWHEIGHT - 20), 20, 20))# Draw the white background onto the surface.windowSurface.fill(WHITE)# Move the player.if moveDown and player.bottom < WINDOWHEIGHT:player.top += MOVESPEEDif moveUp and player.top > 0:player.top -= MOVESPEEDif moveLeft and player.left > 0:player.left -= MOVESPEEDif moveRight and player.right < WINDOWWIDTH:player.right += MOVESPEED# Draw the block onto the surface.windowSurface.blit(playerStretchedImage, player)# Check whether the block has intersected with any food squares.for food in foods[:]:if player.colliderect(food):foods.remove(food)player = pygame.Rect(player.left, player.top, player.width + 2, player.height + 2)playerStretchedImage = pygame.transform.scale(playerImage, (player.width, player.height))if musicPlaying:pickUpSound.play()# Draw the food.for food in foods:windowSurface.blit(foodImage, food)# Draw the window onto the screen.pygame.display.update()mainClock.tick(40 )