import pygame
from pygame import locals

pygame.init()   # 初始化
score = 0
grid_size = 20  # 格子大小
grid_num_width = 15     # 横向格子数量
grid_num_height = 25      # 纵向格子数量
FPS = 30

# 创建窗口
screen = pygame.display.set_mode((460, 500))
pygame.display.set_caption("俄罗斯方块")
clock = pygame.time.Clock()  # pygame时钟,控制游戏速度(帧数)
# 载入素材
background = pygame.image.load('bg.png')
font = pygame.font.Font('STKAITI.TTF', 60)  # 字体
centre=[2,8]

while True:
    for event in pygame.event.get():
        if event.type == locals.QUIT:
            exit()
        if event.type==locals.KEYDOWN:
            if event.key==locals.K_RIGHT:
                if centre[1]<15:
                    centre[1]+=1
            elif event.key==locals.K_LEFT:
                if centre[1]>1:
                    centre[1]-=1
            else:
                if centre[0]<25:
                    centre[0]+=1
    # 将背景图画上去
    screen.blit(background,(0,0))
    pygame.draw.rect(screen,(255,0,0),(centre[1]*20-20,centre[0]*20-20,20,20),0)
    pygame.draw.rect(screen,(255,255,255),(centre[1]*20-20,centre[0]*20-20,20,20),1)
    # 得分
    score_text=font.render(str(score),True,(222,111,123))
    screen.blit(score_text,(350,70))
    # 刷新画面
    pygame.display.update()
    clock.tick(FPS)