save project

snake.py

@@ -37,15 +37,22 @@ while True:
             if event.key==locals.K_LEFT and qqq !="right":
             if event.key==locals.K_LEFT and qqq !="right":
                 qqq="left"
                 qqq="left"
                 snake_head=left    
                 snake_head=left    
-            print(event.key)
-    x+=30        
+
+    if qqq == "up" :
+        y -= 30
+    elif qqq == "left":
+        x -= 30        
+    elif qqq == "down":
+        y += 30
+    else:
+        x += 30            
     sss.append((x,y))
     sss.append((x,y))
     sss.pop(0)
     sss.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,sss[-1] )
+    screen.blit(snake_head,sss[-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(sss)-1):
     for i in range(len(sss)-1):
         screen.blit(body,sss[i])
         screen.blit(body,sss[i])