今天看到幾個關於pygame模組的部落格和視訊，感覺非常有趣，這裡照貓畫虎寫了一個貪吃蛇小遊戲，目前還有待完善，但是基本遊戲功能已經實現，下面是程式碼：

# 匯入模組
import pygame
import random
 # 初始化
pygame.init()
w = 720   #視窗寬度
h = 600   #視窗高度
ROW = 30  #行數
COL = 36  #列數
#將所有的座標看作是一個個點，定義點類
class Point:   
  row = 0
  col = 0
  def __init__(self,row,col):
    self.row = row
    self.col = col
  def copy(self):
    return Point(row = self.row,col = self.col)
#顯示視窗和標題
size = (w,h)
window = pygame.display.set_mode(size)
pygame.display.set_caption('貪吃蛇')
#定義蛇頭座標
head = Point(row = ROW/2,col = COL/2)
#蛇身體
snake_list = [
  Point(row = head.row,col = head.col+1),Point(row = head.row,col = head.col+2),col = head.col+3)
]
#產生食物
def pro_food():
  #食物不能與蛇重疊
  while True:
    pos = Point(row=random.randint(1,ROW-2),col=random.randint(1,COL-2))
    is_coll = False
    if head.row == pos.row and head.col == pos.col:
      is_coll = True
    for snake in snake_list:
      if snake.col == pos.col and snake.row == pos.row:
        is_coll = True
        break
    if not is_coll:
      return pos
food = pro_food()
#定義顏色
bg_color = (255,255,255)
head_color = (0,128,128)
food_color = (255,0)
snake_color = (200,200,200)
#給定初始方向
dire = 'left'
def rect(point,color):
  cell_width = w/COL
  cell_height = h/ROW
  left = point.col*cell_width
  top = point.row*cell_height
  pygame.draw.rect(
    window,color,(left,top,cell_width,cell_height,)
  )
  pass
# 遊戲迴圈
quit = True
clock = pygame.time.Clock()
while quit:
  for event in pygame.event.get():
    #退出方式
    if event.type == pygame.QUIT:
      quit = False
    elif event.type == pygame.KEYDOWN:
      #鍵盤控制
      if event.key == 273 or event.key == 119:
        if dire == 'left' or dire == 'right':
          dire = 'up'
      elif event.key == 274 or event.key == 115:
        if dire == 'left' or dire == 'right':
          dire = 'down'
      elif event.key == 276 or event.key == 97:
        if dire == 'up' or dire == 'down':
          dire = 'left'
      elif event.key == 275 or event.key == 100:
        if dire == 'up' or dire == 'down':
          dire = 'right'
  #吃
  eat=(head.row == food.row and head.col == food.col)
  if eat:
    food = pro_food()
  #處理身體
  #1.原來的頭換到身體最前端
  snake_list.insert(0,head.copy())
  #2.刪除身體最後一個
  if not eat:
    snake_list.pop()
  #移動
  if dire == 'left':
    head.col -= 1
  elif dire == 'right':
    head.col += 1
  elif dire == 'up':
    head.row -= 1
  elif dire == 'down':
    head.row += 1
  #檢測：
  dead=False
  #1.撞牆
  if head.col < 0 or head.row< 0 or head.col >= COL or head.row >= ROW:
    dead=True
  #2.撞自己
  for snake in snake_list:
    if head.col == snake.col and head.row == snake.row:
      dead=True
      break
  if dead:
    print('dead')
    quit = False
  #繪製背景
  pygame.draw.rect(window,bg_color,(0,w,h))
  #蛇頭
  rect(head,head_color)
  #食物
  rect(food,food_color)
  #蛇身
  for snake in snake_list:
    rect(snake,snake_color)
  pygame.display.flip()
  #遊戲幀數
  clock.tick(20)

效果：

總結

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