# -*- coding: utf-8 -*-
import pygame,sys,random
from pygame.locals import *
# 定義顏色變數
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():
pygame.quit()
sys.exit()
# 定義main函式
def main():
# 初始化pygame
pygame.init()
fpsclock = pygame.time.clock()
# 建立pygame顯示層
playsu***ce = pygame.display.set_mode((640,480))
pygame.display.set_caption('貪吃蛇')
#初始化變數
snakeposition = [100,100]
snakebody = [[100,100],[80,100],[60,100]]
targetposition = [300,300]
#定義標記,用來吃掉目標方塊塊塊
targetflag = 1
#direction = 'right'
changedirection = direction
while true:
#pygame.event 事件 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 == 'left' and not direction == 'right':
direction = changedirection
if changedirection == 'right' and not direction == 'left':
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座標
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
snakebody.insert(0,list(snakeposition))
# 判斷是否吃掉了樹莓
if snakeposition[0] == targetposition[0] and snakeposition[1] == targetposition[1]:
targetflag = 0
else:
snakebody.pop()
# 如果吃掉樹莓，則重新生成樹莓
if targetflag == 0:
x = random.randrange(1,32)
y = random.randrange(1,24)
targetposition = [int(x*20),int(y*20)]
targetflag = 1
# 繪製pygame顯示層
playsu***ce.fill(blackcolour)
for position in snakebody:
pygame.draw.rect(playsu***ce,whitecolour,rect(position[0],position[1],20,20))#蛇
pygame.draw.rect(playsu***ce, redcolour, rect(targetposition[0], targetposition[1], 20, 20)) # 蛇
# 重新整理pygame顯示層
pygame.display.flip()
# 判斷是否死亡
if snakeposition[0] > 620 or snakeposition[0] <0:
gameover()
if snakeposition[1] > 460 or snakeposition[1] < 0:
for snakebody in snakesegments[1:]:
if snakeposition[0] == snakebody[0] and snakeposition[1] == snalebody[1]:
gameover()
# 控制遊戲速度
fpsclock.tick(4)
if __name__ == "__main__":
main()
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