save project

snake.py

 import pygame
 from pygame import locals
 
-# 初始化pygame，为使用硬件做准备
+# 初始化pygame，为使用pygame做准备
 pygame.init()
 
-# 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
+background=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/bg.png')
+right=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/right.png')
+apple=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/apple.png')
+body=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/body.png')
+left=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/left.png')
+up=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/up.png')
+down=pygame.image.load('c:/Users/pc/Documents/pygame_lesson2_diy1/down.png')
 
-# 背景
-background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
-food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
+# 创建一个窗口
+screen=pygame.display.set_mode((660,480))
+FPSCLOCK=pygame.time.Clock()
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head=right
 
 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
+        if event.type==locals.QUIT:
+            #接收到退出事件后退出程序
             exit()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_RIGHT and setheading!="left":
+                setheading = 'right'
+                snake_head=right
+            elif event.key == pygame.K_LEFT and setheading!="right":
+                setheading = 'left'
+                snake_head=left
+            elif event.key == pygame.K_UP and setheading!="down":
+                setheading = 'up'
+                snake_head=up
+            elif event.key == pygame.K_DOWN and setheading!="up":
+                setheading = 'down'
+                snake_head=down
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30    
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(snake_head,(x,y))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #screen.blit(body,(210,120))
+    #screen.blit(body,(180,120))
+    #screen.blit(body,(180,90))
+
+    screen.blit(apple,(360,360))
+
+    pygame.display.update()
+    FPSCLOCK.tick(10)
+
+