save project

snake.py

@@ -20,6 +20,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 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
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
 
 
@@ -51,9 +53,18 @@ while True:
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
+
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
-    # 将背景图画上去
+    if x == apple_x and y == apple_y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x = 30*num1-30   # 苹果的x坐标
+        apple_y = 30*num2-30   
+    else:
+
+        position.pop(0)
+    if x < 0 or x > 630 or y < 0 or y> 450:
+        exit()
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     screen.blit(snake_head, position[-1])
@@ -62,7 +73,9 @@ 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))
-    # 刷新画面
+    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))
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
\ No newline at end of file