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Content import time, urandom, system, orientation, display, buttons orientation.portrait() display.drawFill(0x000000) display.flush() display.drawFill(0xFFFFFF) display.flush() display.drawFill(0x000000) display.flush() display.drawFill(0xFFFFFF) display.flush() class Tetris: def __init__(self): self.font = "roboto_regular18" self.game_step_time = 500 # nr of unique rotations per piece self.piece_rotations = [1, 2, 2, 2, 4, 4, 4] # Piece data: [piece_nr * 32 + rot_nr * 8 + brick_nr * 2 + j] # with rot_nr between 0 and 4 # with the brick number between 0 and 4 # and j == 0 for X coord, j == 1 for Y coord self.piece_data = [ # square block 0, 0, -1, 0, -1, -1, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # line block 0, 0, -2, 0, -1, 0, 1, 0, 0, 0, 0, 1, 0, -1, 0, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # S-block 0, 0, -1, -1, 0, -1, 1, 0, 0, 0, 0, 1, 1, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # Z-block 0, 0, -1, 0, 0, -1, 1, -1, 0, 0, 1, 1, 1, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # L-block 0, 0, -1, 0, -1, -1, 1, 0, 0, 0, 0, 1, 0, -1, 1, -1, 0, 0, -1, 0, 1, 0, 1, 1, 0, 0, -1, 1, 0, 1, 0, -1, # J-block 0, 0, -1, 0, 1, 0, 1, -1, 0, 0, 0, 1, 0, -1, 1, 1, 0, 0, -1, 1, -1, 0, 1, 0, 0, 0, 0, 1, 0, -1, -1, -1, # T-block 0, 0, -1, 0, 0, -1, 1, 0, 0, 0, 0, 1, 0, -1, 1, 0, 0, 0, -1, 0, 0, 1, 1, 0, 0, 0, -1, 0, 0, 1, 0, -1 ] display.drawFill(0xFFFFFF) self.draw_field_lines() display.flush() buttons.attach(buttons.BTN_UP,lambda pressed: self.btn_up(pressed)) buttons.attach(buttons.BTN_DOWN,lambda pressed: self.btn_down(pressed)) buttons.attach(buttons.BTN_LEFT,lambda pressed: self.btn_left(pressed)) buttons.attach(buttons.BTN_RIGHT,lambda pressed: self.btn_right(pressed)) buttons.attach(buttons.BTN_SELECT,lambda pressed: self.btn_select(pressed)) buttons.attach(buttons.BTN_START,lambda pressed: self.btn_start(pressed)) buttons.attach(buttons.BTN_A,lambda pressed: self.btn_a(pressed)) buttons.attach(buttons.BTN_B,lambda pressed: self.btn_b(pressed)) self.game_init() self.draw_updated_score() while True: self.game_update() self.draw() def game_init(self): # Init game state self.spawn_new_piece() self.field = [[0 for i in range(10)] for j in range(20)] self.last_update = time.ticks_ms() self.score = 0 def spawn_new_piece(self): self.piece_type = urandom.getrandbits(8) % 7 self.piece_x = 4 self.piece_y = 0 self.piece_rot = 0 def game_update(self): cur_ticks = time.ticks_ms() if cur_ticks - self.last_update > self.game_step_time: # Move piece down self.lower_piece() self.last_update = cur_ticks def rotate_piece(self): self.piece_rot += 1 if self.piece_rot >= self.piece_rotations[self.piece_type]: self.piece_rot = 0 def is_side_collision(self): for square in range(4): x_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 0] y_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 1] abs_x = self.piece_x + x_off abs_y = self.piece_y + y_off # collision with walls if abs_x < 0 or abs_x >= 10: return True # collision with field blocks if self.field[abs_y][abs_x]: return True return False def move_left(self): self.piece_x -= 1 # check collision with walls if self.is_side_collision(): self.piece_x += 1 def move_right(self): self.piece_x += 1 # check collision with walls if self.is_side_collision(): self.piece_x -= 1 def lower_piece(self): self.piece_y += 1 # check for collisions collision = False for square in range(4): x_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 0] y_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 1] abs_x = self.piece_x + x_off abs_y = self.piece_y + y_off try: if abs_y >= 20 or self.field[abs_y][abs_x]: collision = True break except: print("Out-of-bounds?!") pass if collision: # if at the top, game over if self.piece_y == 1: self.draw_game_over() time.sleep(10) self.game_init() # add to field self.piece_y -= 1 for square in range(4): x_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 0] y_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 1] abs_x = self.piece_x + x_off abs_y = self.piece_y + y_off self.field[abs_y][abs_x] = True # check for line clears self.check_for_filled_lines() # Spawn new piece self.spawn_new_piece() def check_for_filled_lines(self): for row in range(20): fill_count = 0 for column in range(10): fill_count += self.field[row][column] if fill_count == 10: # Increase score self.score += 1 self.draw_updated_score() # Remove line for row2 in range(row, 0, -1): for column2 in range(10): self.field[row2][column2] = self.field[row2-1][column2] def draw(self): self.draw_field() self.draw_current_piece() display.flush(display.FLAG_LUT_FASTEST) def draw_updated_score(self): display.drawRect(0, display.height()-20, display.width(), 20, True, 0xFFFFFF) display.drawText(10, display.height()-20, "Score: {:04d}".format(self.score), 0x000000, self.font) def draw_game_over(self): display.drawFill(0xFFFFFF) display.drawText(0, 0, "GAME OVER :(") display.flush() def draw_field_lines(self): display.drawRect(10, 10, 100, 200, False, 0x000000) #for column in range(10): # display.drawLine(10 + 10 * column, 10, 10 + 10 * column, 210, 0x000000) #for row in range(20): # display.drawLine(10, 10 + 10 * row, 110, 10 + 10 * row, 0x000000) def draw_field(self): for column in range(10): for row in range(20): self.draw_square(row, column, self.field[row][column]) self.draw_field_lines() def draw_current_piece(self): for square in range(4): # [piece_nr * 32 + rot_nr * 8 + brick_nr * 2 + j] x_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 0] y_off = self.piece_data[self.piece_type * 32 + self.piece_rot * 8 + square * 2 + 1] abs_x = self.piece_x + x_off abs_y = self.piece_y + y_off self.draw_square(abs_y, abs_x, True) def draw_square(self, row, column, filled=True): if row < 0 or column < 0 or row >= 20 or column >= 10: return display.drawRect(10 + 10 * column, 200 - 10 * (19-row), 10, 10, False, 0x000000 if filled else 0xFFFFFF) def btn_a(self,pressed): if pressed: print("Rotating piece") self.rotate_piece() def btn_b(self,pressed): if pressed: print("Rotating piece") self.rotate_piece() def btn_left(self,pressed): if pressed: print("Moving piece left") self.move_left() def btn_right(self,pressed): if pressed: print("Moving piece right") self.move_right() def btn_down(self,pressed): if pressed: print("Moving piece down") self.lower_piece() def btn_up(self,pressed): if pressed: print("Rotating piece") self.rotate_piece() def btn_start(self,pressed): if pressed: print("Returning to homescreen") system.home() def btn_select(self,pressed): if pressed: print("Resetting game") self.game_init() tetris = Tetris()