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

center = [2,8]

while True:
    for event in pygame.event.get():
        if event.type == locals.QUIT:
            exit()
        if event.type == locals.KEYDOWNL:
            if event.key == locals.K_RIGHT:
                if center [1] < 15:
                    center[1] = center[1]+1 

            elif event.key == locals.K_LEFT:
                if center [1] > 1:
                    center[1] = center[1]-1

            elif event.key == locals.K_DOWN:
                if center [0] < 25:
                    center[0] = center[0]+1 
    # 将背景图画上去
    screen.blit(background,(0,0))
    #
    pygame.draw.rect(screen,(255,0,0),
                    (center[1]*20-20,center[0]*20-20,20,20),0)            
    pygame.draw.rect(screen,(255,255,255)
                    (center[1]*20-20,center[0]*20-20,20,20),1)    
    # 得分
    score_text = font.render(str(score),True,(0,0,0))
    screen.blit(score_text,(350,70))
    # 刷新画面
    pygame.display.update()
    clock.tick(FPS)