save project

snake.py

@@ -19,6 +19,9 @@ down = pygame.image.load('down.png')        # 头 朝下
 my_font=pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x=360
+apple_y=300
+score=0
 
 setheading = "right"
 snake_head = right
@@ -28,7 +31,8 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        if event.type == locals.KEYDOWN:
+        elif event.type==locals.KEYDOWN:    
+        
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right'
                 snake_head = right
@@ -53,7 +57,20 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,16)
+        num2=random.randint(1,16)
+        apple_x=30*num1-30
+        apple_y=30*num2-30
+        score+=10
+    else:    
+        position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+
+
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -63,7 +80,11 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
+    info="Score:"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
+
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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