save project

snake.py

@@ -17,6 +17,7 @@ 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',18)
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
@@ -26,6 +27,7 @@ apple_y=300
 
 setheading = "right"
 snake_head = right
+score=0
 
 while True:
     for event in pygame.event.get():
@@ -58,11 +60,20 @@ while True:
     position.append((x, y))
 
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
+        num1_x = random.randint(1,22)
+        num2_y = random.randint(1,16)
+        apple_x=num1_x*30-30
+        apple_y=num2_y*30-30
+        score = score+10
+    else:
+        position.pop(0)
 
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit()
+    for i in range(len(position)-1):
+        if position[i]==position[len(position)-1]:
+            exit()
 
-    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -73,6 +84,9 @@ while True:
 
     # 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,(540,10))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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