save project

snake.py

@@ -3,36 +3,47 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
+FPSCLOCK = pygame.time.Clock()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()
+
 
 # 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')
+left =pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
 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
             exit()
-        if event.type == locals.KEYDOWN:
-            if event.type == locals.K_RIGHT and setheading != "left":                
-            if event.type == locals.K_LEFT and setheading !="right":
-            if event.type == locals.K_UP and setheading != "down":
-            if event.type == locals.K_DOWN and setheading !="up"         
+        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'
-    if setheading=="right":
-        x+=30
-    elif setheading=="left":  
-        x -=30    
-    elif setheading=="up":
-        y  +=30
+                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))
@@ -40,7 +51,7 @@ while True:
 
     screen.blit(background, (0, 0))
     
-    screen.blit(right, position[-1])
+    screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])