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.KEYDOWN:
            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)