save project

snake.py

@@ -11,22 +11,47 @@ screen = pygame.display.set_mode((660, 480))
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
+body = pygame.image.load('dody.png')
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 x,y=240,120
 x,y=240,120
-postiton = [(180,90),(180,120),(210,120),(x,y)]
+postiton = [(180,),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head=right
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x+=30
+    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_DOWN and setheading != "up"
+            setheading="down"
+            snake_head=down
+        if event.key==locals.K_DOWN and setheading != "down"
+            setheading="up"
+            snake_head=up
+    if setheading=="right":
+        x+=30
+    elif  setheading=="left":
+        x-=30
+    elif setheading=="up":
+         y-=30
+    else:
+        y+=30
+
+
+
     postiton.append((x,y))
     postiton.append((x,y))
     postiton.pop(0)
     postiton.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, postiton[-1]) 
+    screen.blit(snake_head, postiton[-1]) 
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(postiton)-1):
     for i in range(len(postiton)-1):
         screen.blit(body, postiton[i])
         screen.blit(body, postiton[i])