auto save

snake.py

+#C:\Users\聂民杰\Documents\pygame_lesson1_2\apple.png
+#第一关：创建贪吃蛇的窗口
 import pygame
 import pygame
+from pygame import locals
+
 
 
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
-??
+screen = pygame.display.set_mode((660,480),0, 0)
\ No newline at end of file
+
+#载入图片
+background = pygame.image.load('bg.png')    #背景图
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+
+x,y = 240,120   #设置变量
+#新建一个列表，表示蛇身长度
+position = [(180, 90),(180, 120),(210, 120),(x, y)]
+#设置贪吃蛇朝向
+setheading = 'right'
+snake_head = right
+
+#pygame时钟，控制游戏速度（帧数）
+FPSCLOCK = pygame.time.Clock()
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            #接收到退出事件后退出程序
+            exit()
+        #判断事件--是否按下键盘，判断按键是上下左右，则设置变量方向
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != 'left':
+                setheading = 'right'
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading != 'right':
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_UP and setheading != 'down':
+                setheading = 'up'
+                snake_head = up
+            if event.key == locals.K_DOWN and setheading != 'up':
+                setheading = 'down'
+                snake_head = down
+    #判断蛇的方向，则朝相应方向移动(设置蛇头坐标)
+    if setheading == 'right':
+        x += 30
+    elif setheading == 'left':
+        x -= 30
+    elif setheading == 'up':
+        y -= 30
+    else:
+        y += 30
+
+    #x = x + 30  #变量自加
+
+    #将背景图画上去 -渲染
+    screen.blit(background, (0,0))
+    #将贪吃蛇的头画上去
+    screen.blit(snake_head, position[-1])
+    #将贪吃蛇身体画上去
+    # screen.blit(body, (210, 120))
+    # screen.blit(body, (180, 120))
+    # screen.blit(body, (180, 90))
+
+    for i in range(len(position) - 1):
+        screen.blit(body, position[i])
+    #蛇身移动，添加头的新坐标，删除尾部坐标
+    position.append((x,y))
+    position.pop(0)    
+
+    #将果实画上去
+    screen.blit(food, (360,300))
+
+    #刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
+
+
+
+            
\ No newline at end of file