import pygame, sys, time, random
from pygame.locals import *
# 定義顏色變量
redColour = pygame.Color(255, 0, 0)
blackColour = pygame.Color(0, 0, 0)
whiteColour = pygame.Color(255, 255, 255)
greyColour = pygame.Color(150, 150, 150)
def gameOver(playSurface, score):
gameOverFont = pygame.font.SysFont('arial.ttf', 54)
gameOverSurf = gameOverFont.render('Game Over!', True, greyColour)
gameOverRect = gameOverSurf.get_rect()
gameOverRect.midtop = (300, 10)
playSurface.blit(gameOverSurf, gameOverRect)
scoreFont = pygame.font.SysFont('arial.ttf', 54)
scoreSurf = scoreFont.render('Score:' + str(score), True, greyColour)
scoreRect = scoreSurf.get_rect()
scoreRect.midtop = (300, 50)
playSurface.blit(scoreSurf, scoreRect)
pygame.display.flip()
time.sleep(5)
pygame.quit()
sys.exit()
def main():
# 初始化pygame
pygame.init()
fpsClock = pygame.time.Clock()
# 創建pygame顯示層
playSurface = pygame.display.set_mode((600, 460))
pygame.display.set_caption('Snake Game')
# 初始化變量
snakePosition = [100, 100] # 貪吃蛇 蛇頭的位置
snakeSegments = [[100, 100]] # 貪吃蛇 蛇的身體，初始為一個單位
raspberryPosition = [300, 300] # 樹莓的初始位置
raspberrySpawned = 1 # 樹莓的個數為1
direction = 'right' # 初始方向為右
changeDirection = direction
score = 0 # 初始得分
while True:
# 檢測例如按鍵等pygame事件
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
elif event.type == KEYDOWN:
# 判斷鍵盤事件
if event.key == K_RIGHT or event.key == ord('d'):
changeDirection = 'right'
if event.key == K_LEFT or event.key == ord('a'):
changeDirection = 'left'
if event.key == K_UP or event.key == ord('w'):
changeDirection = 'up'
if event.key == K_DOWN or event.key == ord('s'):
changeDirection = 'down'
if event.key == K_ESCAPE:
pygame.event.post(pygame.event.Event(QUIT))
# 判斷是否輸入了反方向
if changeDirection == 'right' and not direction == 'left':
direction = changeDirection
if changeDirection == 'left' and not direction == 'right':
direction = changeDirection
if changeDirection == 'up' and not direction == 'down':
direction = changeDirection
if changeDirection == 'down' and not direction == 'up':
direction = changeDirection
# 根據方向移動蛇頭的坐標
if direction == 'right':
snakePosition[0] += 20
if direction == 'left':
snakePosition[0] -= 20
if direction == 'up':
snakePosition[1] -= 20
if direction == 'down':
snakePosition[1] += 20
# 增加蛇的長度
snakeSegments.insert(0, list(snakePosition))
# 判斷是否吃掉了樹莓
if snakePosition[0] == raspberryPosition[0] and snakePosition[1] == raspberryPosition[1]:
raspberrySpawned = 0
else:
snakeSegments.pop()
# 如果吃掉樹莓，則重新生成樹莓
if raspberrySpawned == 0:
x = random.randrange(1, 30)
y = random.randrange(1, 23)
raspberryPosition = [int(x * 20), int(y * 20)]
raspberrySpawned = 1
score += 1
# 繪制pygame顯示層
playSurface.fill(blackColour)
for position in snakeSegments:
pygame.draw.rect(playSurface, whiteColour, Rect(position[0], position[1], 20, 20))
pygame.draw.rect(playSurface, redColour, Rect(raspberryPosition[0], raspberryPosition[1], 20, 20))
# 刷新pygame顯示層
pygame.display.flip()
# 判斷是否死亡
if snakePosition[0] > 600 or snakePosition[0] < 0:
gameOver(playSurface, score)
if snakePosition[1] > 460 or snakePosition[1] < 0:
gameOver(playSurface, score)
for snakeBody in snakeSegments[1:]:
if snakePosition[0] == snakeBody[0] and snakePosition[1] == snakeBody[1]:
gameOver(playSurface, score)
# 控制游戲速度
fpsClock.tick(5)
if __name__ == "__main__":
main()
