save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -24,6 +24,7 @@ staion=[(180,90),(180,120),(210,120),(x,y)]
 
 setheading = "right"
 snack_head = right
+apple_x,apple_y = 360,300
 
 while True:
     for event in pygame.event.get():
@@ -31,27 +32,27 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         elif event.type == locals.KEYDOWN:
-            if event.type == locals.K_RIGHT and setheading !="left":
+            if event.key == locals.K_RIGHT and setheading !="left":
                 setheading = "right"
                 snack_head = right
 
-            if event.type == locals.K_LEFT and setheading !="right":
-                setheading = "right"
-                snack_head = right
+            if event.key == locals.K_LEFT and setheading !="right":
+                setheading = "left"
+                snack_head = left
 
-            if event.type == locals.K_UP and setheading !="down":
-                setheading = "right"
-                snack_head = right
+            if event.key == locals.K_UP and setheading !="down":
+                setheading = "up"
+                snack_head = up
 
-            if event.type == locals.K_DOWN and setheading !="up":
-                setheading = "right"
-                snack_head = right
+            if event.key == locals.K_DOWN and setheading !="up":
+                setheading = "down"
+                snack_head = down
 
 
     if setheading == "right":
-        x-=30   
+        x+=30   
     elif setheading =="left" :
-        x+=30
+        x-=30
     elif setheading == "up":
         y-=30
     else:
@@ -59,6 +60,10 @@ while True:
 
     staion.append((x,y))
     staion.pop(0)
+
+    if apple_x == x and apple_y == y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -67,7 +72,7 @@ while True:
     for i in range(len(staion)-1):
         screen.blit(body,staion[i])
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK .tick(2)
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