save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+import random
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
@@ -19,6 +20,8 @@ down = pygame.image.load('down.png')
 
 
 x,y = 240,120
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
 position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x = 360 #苹果横坐标
+apple_y = 300 #苹果纵坐标
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right 
 snake_head = right 
@@ -52,6 +55,15 @@ while True:
     else:
     else:
         y += 30    
         y += 30    
     position.append((x,y))
     position.append((x,y))
+    #贪吃蛇吃到了苹果
+    if x == apple_x and y == apple_y:
+        while True:
+            apple_x = random.randint(0,630)
+            apple_y = random.randint(0,450)
+            if apple_x % 30 == 0 and apple_y % 30 == 0:
+                break
+            else:
+                continue
     position.pop(0)
     position.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))
@@ -62,7 +74,7 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
         
         
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSLOCK.tick(5)
     FPSLOCK.tick(5)
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