save project

snake.py

@@ -40,7 +40,15 @@ while True:
             if event.key == locals.K_DOWN and setheading !="up":
             if event.key == locals.K_DOWN and setheading !="up":
                 setheading = 'down'
                 setheading = 'down'
                 snake_head = down
                 snake_head = down
-    x +=30
+    if setheading =="right":
+        x +=30
+    elif setheading == "left":
+        x-=30
+    elif setheading == "up":
+        y-=30
+    else :
+        y+=30
+            
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
 
 
@@ -48,7 +56,7 @@ while True:
     # 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, (x, y))
+    screen.blit(snake_head, (x, y))
     # 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(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])