save project

snake.py

@@ -28,27 +28,29 @@ while True:
             if event.key == locals.K_RIGHT and t !="left":
                 t = "right"
                 e = right
-            if event.key == locals.K_RIGHT and t !="down":
+            if event.key == locals.K_UP and t !="down":
                 t = "up"
                 e = up
-            if event.key == locals.K_RIGHT and t !="right":
+            if event.key == locals.K_LEFT and t !="right":
                 t = "left"
                 e =  left
-            if event.key == locals.K_RIGHT and t !="up":
+            if event.key == locals.K_DOWN and t !="up":
                 t = "down"
                 e = down
     if t == "right":
-        x += 30
+        X += 30
     elif t == "left":
-        x -= 30
+        X -= 30
     elif t == "up":
-        x -= 30
+        Y -= 30
     else:
-        y += 30
+        Y += 30
     # 将背景图画上去
+    i.append((X,Y))
+    i.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (X, Y))
+    screen.blit(e, (X, Y))
     # 将贪吃蛇的身体画上去
     for r in range(len(i)-1):
         screen.blit(body,i[r])