save project

snake.py

@@ -17,8 +17,9 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
+my_font=pygame.font.Font('neuropol.ttf',20)
 x, y = 240, 120
+score=0
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x,apple_y=360,330
 
@@ -55,9 +56,16 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        score=score+10
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    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
@@ -65,9 +73,14 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+        if position[i] == position[-1]:
+            exit()     
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
+    info='SCORE:'+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(0,0))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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