save project

snake.py

@@ -16,6 +16,12 @@ 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')
+snake_head=right
+
+
 
 
 
@@ -27,19 +33,32 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        if event.type == locals.KIYDOWN:
+        elif event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = "right"
-        if event.type == locals.KIYDOWN:      
-            if event.key == locals.K_RIGHT and setheading != "right":
+                snake_head=right
+        if event.type == locals.KEYDOWN:      
+            if event.key == locals.K_LEFT and setheading != "right":
                 setheading = "left"
-        if event.type == locals.KIYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "up":
-                setheading = "do"
-        if event.type == locals.KIYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "dowp":
-                setheading = ""
-    x+=30
+                snake_head=left
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and setheading != "up":
+                setheading = "down"
+                snake_head=down
+        if event.type == locals.KEYDOWN:
+            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
+    elif:
+        y += 30
     shenti.append((x,y))
     shenti.pop(0)
     # 将背景图画上去