def test_tetris_move_down():
tetris = Tetris(20, 10)
tetris.new_piece()
tetris.move_down()
assert not tetris.collided()
assert tetris.piece.x == 3
assert tetris.piece.y == 1
class Game:
"""
Class responsible for handling image processing and pygame
size: size of the screen
screen: screen used by pygame
game_on: decides whether the game is currently running
done: decides whether the main menu should be closed
clock: timer for the game
fps: frames per seconds
tetris: current game
counter: counter of fps - run action only if it is allowed
accelerated: decides whether down button is currently being held for purpose of piece acceleration
click: decides whether the mouse button click occured to handle button clickss
"""
size = (400, 500)
screen = pygame.display.set_mode(size)
game_on = True
done = False
clock = pygame.time.Clock()
fps = 48
tetris = Tetris(20, 10)
counter = 0
accelerated = False
click = False
def __init__(self):
pygame.font.init()
pygame.display.set_caption("Tetris")
self.font = pygame.font.SysFont('comicsansms', 25)
self.font1 = pygame.font.SysFont('comicsansms', 65)
def main_menu(self):
"""
Represents the main menu of the game
"""
while not self.done:
self.screen.fill(DARK_GRAY)
self.tetris_text()
self.new_button()
self.continue_button()
self.quit_button()
for evt in pygame.event.get():
if evt.type == pygame.MOUSEBUTTONDOWN:
self.click = True
if evt.type == pygame.QUIT or evt.type == pygame.KEYDOWN and evt.key == pygame.K_ESCAPE:
self.done = True
pygame.display.flip()
def tetris_text(self):
"""
Creates a Tetris header for the main menu
"""
x, y, width, height = 100, 50, 200, 50
font = pygame.font.SysFont("comicsansms", 72)
text = font.render("Tetris", True, GRAY)
self.screen.blit(text,
text.get_rect(center=(x + width / 2, y + height / 2)))
def new_button(self):
"""
Creates a 'New Game' button
"""
x, y, width, height = 100, 100, 200, 50
new_game = pygame.Rect(x, y, width, height)
inside = pygame.Rect(x + 2, y + 2, width - 2, height - 2)
text = self.font.render("New Game", True, GRAY)
if new_game.collidepoint(pygame.mouse.get_pos()):
if self.click:
self.game_on = True
self.click = False
self.tetris = Tetris(20, 10)
self.main_loop()
pygame.draw.rect(self.screen, GRAY, new_game, 2)
pygame.draw.rect(self.screen, RED, inside)
self.screen.blit(text,
text.get_rect(center=(x + width / 2, y + height / 2)))
def continue_button(self):
"""
Creates a 'Continue Game' button
"""
x, y, width, height = 100, 200, 200, 50
continue_game = pygame.Rect(x, y, width, height)
inside = pygame.Rect(100 + 2, 200 + 2, 200 - 2, 50 - 2)
text = self.font.render("Continue Game", True, GRAY)
if continue_game.collidepoint(pygame.mouse.get_pos()):
if self.click:
self.game_on = True
self.click = False
if self.tetris.game_on:
self.main_loop()
pygame.draw.rect(self.screen, GRAY, continue_game, 2)
pygame.draw.rect(self.screen, CYAN, inside)
self.screen.blit(text,
text.get_rect(center=(x + width / 2, y + height / 2)))
def quit_button(self):
"""
Creates a 'Quit Game' button
"""
x, y, width, height = 100, 300, 200, 50
quit_game = pygame.Rect(x, y, width, height)
inside = pygame.Rect(100 + 2, 300 + 2, 200 - 2, 50 - 2)
text = self.font.render("Quit Game", True, GRAY)
if quit_game.collidepoint(pygame.mouse.get_pos()):
if self.click:
self.done = True
pygame.draw.rect(self.screen, GRAY, quit_game, 2)
pygame.draw.rect(self.screen, MAGENTA, inside)
self.screen.blit(text,
text.get_rect(center=(x + width / 2, y + height / 2)))
def main_loop(self):
"""
Main loop of the game, all game logic is centered here
"""
while self.game_on:
if self.tetris.piece is None:
self.tetris.new_piece()
self.counter += 1
if self.counter % (self.fps -
5 * self.tetris.level) == 0 or self.accelerated:
if self.tetris.game_on:
self.tetris.move_down()
for evt in pygame.event.get():
self.handle_events(evt)
self.screen.fill(DARK_GRAY)
self.render_area()
if self.tetris.piece is not None:
self.render_piece()
self.render_texts()
pygame.display.flip()
self.clock.tick(self.fps)
def handle_events(self, evt: pygame.event):
"""
Handles user input and events
:param evt: Event to be handled
"""
if self.tetris.piece is not None:
if evt.type == pygame.KEYDOWN:
if self.tetris.game_on:
if evt.key == pygame.K_UP:
self.tetris.rotate()
if evt.key == pygame.K_LEFT:
self.tetris.move_side(-1)
if evt.key == pygame.K_RIGHT:
self.tetris.move_side(1)
if evt.key == pygame.K_DOWN:
self.accelerated = True
if evt.key == pygame.K_ESCAPE:
self.game_on = False
if evt.type == pygame.KEYUP:
if evt.key == pygame.K_DOWN:
self.accelerated = False
if evt.type == pygame.QUIT:
self.game_on = False
def render_area(self):
"""
Creates all blocks in the area, imprinted Tetromiones and blank spots
"""
for y in range(self.tetris.height):
for x in range(self.tetris.width):
pygame.draw.rect(self.screen, GRAY,
self.tetris.render_blank_elem_size(x, y), 1)
if self.tetris.field[y][x] > 0:
pygame.draw.rect(
self.screen,
colors[self.tetris.field.astype(int)[y][x] - 1],
self.tetris.render_filled_elem_size(x, y))
else:
pygame.draw.rect(self.screen, DIM_GRAY,
self.tetris.render_filled_elem_size(x, y))
def render_piece(self):
"""
Prints the current piece on the output
"""
for p in self.tetris.piece.render():
pygame.draw.rect(
self.screen, colors[self.tetris.piece.color],
self.tetris.render_filled_elem_size(
p % 4 + self.tetris.piece.x, p // 4 + self.tetris.piece.y))
def render_texts(self):
"""
Creates all text needed for game
"""
score = self.font.render("Score: " + str(self.tetris.score), True,
GRAY)
level = self.font.render("Level: " + str(self.tetris.level), True,
GRAY)
self.screen.blit(score, [0, 0])
self.screen.blit(level, [0, 20])
if not self.tetris.game_on:
text_game_over = self.font1.render("Game Over", True,
(255, 125, 0))
text_game_over1 = self.font1.render("Press ESC", True,
(255, 215, 0))
self.screen.blit(text_game_over, [20, 200])
self.screen.blit(text_game_over1, [25, 265])