import numpy as np

def init():
    global BRICKS
    BRICKS = {
    'I': np.array([[1, 1, 1, 1]]),
    'O': np.array([[1, 1],
                   [1, 1]]),
    'T': np.array([[0, 1, 0],
                   [1, 1, 1]]),
    'S': np.array([[0, 1, 1],
                   [1, 1, 0]]),
    'Z': np.array([[1, 1, 0],
                   [0, 1, 1]]),
    'J': np.array([[1, 0, 0],
                   [1, 1, 1]]),
    'L': np.array([[0, 0, 1],
                   [1, 1, 1]]),
    '.': np.array([[1]]),
    '+': np.array([[0, 1, 0],
                   [1, 1, 1],
                   [0, 1, 0]]),
    'U': np.array([[1, 0, 1],
                   [1, 1, 1]])
}
    global TILE_SIZE
    TILE_SIZE = 48
    global GRID_WIDTH
    GRID_WIDTH = 10
    global GRID_HEIGHT
    GRID_HEIGHT = 18
    global grid
    grid = np.zeros((GRID_HEIGHT, GRID_WIDTH), dtype=int)