def play(self):
global rows
snake = Snake(config)
apple = Apple(config)
clock = pygame.time.Clock()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
# Detect collision with apple
if snake.x == apple.x and snake.y == apple.y:
snake.eat()
apple = Apple(config)
# collision with body
for part in snake.body:
if snake.x == part[0] and snake.y == part[1]:
snake = Snake(config)
direction = snake.vision(apple)
snake.pre_direction = snake.direction
snake.decision(direction)
# collision with wall
if snake.collision_with_wall(snake.direction):
direction = (snake.direction + 1) % 4
if snake.collision_with_wall(direction):
direction = (snake.direction - 1) % 4
if snake.collision_with_wall(direction):
snake = Snake(config)
snake.direction = direction
snake.move()
self.display.fill(self.color)
pygame.draw.rect(self.display, Color.black,
((0, 0), (config.game_w, config.game_h)),
config.wall_offset)
apple.draw(self.display)
snake.draw(self.display)
score = self.font.render(f'Score: {snake.score}', True,
Color.black)
score_rect = score.get_rect(center=(config.game_w / 2,
config.game_h - 10))
self.display.blit(score, score_rect)
pygame.display.update()
clock.tick(config.fps)
def play(self):
global snake, apple
snake = Snake(config)
apple = Apple(config)
clock = pygame.time.Clock()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
# Detect collision with apple
if snake.x == apple.x and snake.y == apple.y:
snake.eat()
apple = Apple(config)
snake.x_change_old, snake.y_change_old = snake.x, snake.y
with torch.no_grad():
data = get_data()
data = data.reshape(1, 20)
data = torch.tensor(data)
result = model(data)
snake.direction = np.argmax(result)
snake.move()
self.display.fill(self.color)
pygame.draw.rect(self.display, Color.black,
((0, 0), (config.game_w, config.game_h)), 10)
apple.draw(self.display)
snake.draw(self.display)
if snake.x < 0 or snake.y < 0 or snake.x > config.game_w or snake.y > config.game_h:
self.play()
score = self.font.render(f'Score: {snake.score}', True,
Color.black)
score_rect = score.get_rect(center=(config.game_w / 2,
config.game_h - 10))
self.display.blit(score, score_rect)
pygame.display.update()
clock.tick(30) # fps
class GameScene(QGraphicsScene):
"""Custom QGraphicsScene"""
def __init__(self, food_count, update_rate, statistic_list):
super().__init__()
self.sceneRect = QRectF(0.0, 0.0, 500.0, 500.0)
self.setSceneRect(self.sceneRect)
self.width = int(self.width())
self.height = int(self.height())
self.snake = None
self.timer = QTimer()
self.timer_snake = QTimer()
self.update_rate = update_rate
self.food_count = food_count
self.food_items = []
self.score = 0
self.statistic_list = statistic_list
self.time = 0
self.game_status = False
self.startUpdate()
# Signals
self.timer.timeout.connect(self.update)
self.timer_snake.timeout.connect(self.killSnake)
def startUpdate(self):
self.timer.start(self.update_rate)
self.timer_snake.start(self.update_rate)
self.game_status = True
def pauseUpdate(self):
self.timer.stop()
self.timer_snake.stop()
def drawGrid(self):
self.addRect(0, 0, 500, 500,
QPen(QColor('white'), 1),
QBrush(QColor('white')))
for row in range(0, self.height + 20, 20):
for column in range(0, self.width + 20, 20):
self.addLine(0, row, self.width, row,
QPen(QColor('black'), 1))
self.addLine(column, 0, column, self.height,
QPen(QColor('black'), 1))
def createSnake(self):
self.snake = Snake(0.0, 0.0)
self.createFood()
self.time = time.time()
return self.snake
def update(self):
self.clear()
self.drawGrid()
self.placeFood()
self.updateScore()
self.catchFood()
self.drawSnake()
def killSnake(self):
if self.snake.x not in range(0, self.width) or \
self.snake.y not in range(0, self.height) or\
self.snake.pos() in self.snake.positions[2:]:
self.time = round(time.time() - self.time, 3)
self.statistic_list.addItem('Game finished: {} s. Score: {}'\
.format(self.time, self.score))
self.pauseUpdate()
self.game_status = False
def createFood(self):
for item in range(self.food_count):
random_x = abs(round(randint(0, self.width) / 20) * 20 - 20)
random_y = abs(round(randint(0, self.height) / 20) * 20 - 20)
food_item = QRectF(random_x, random_y, 20, 20)
while food_item in self.food_items or food_item in self.snake.positions:
random_x = abs(round(randint(0, self.width) / 20) * 20 - 20)
random_y = abs(round(randint(0, self.height) / 20) * 20 - 20)
food_item = QRectF(random_x, random_y, 20, 20)
self.food_items.append(food_item)
def placeFood(self):
for item in self.food_items:
self.addRect(item, QPen(QColor('white'), 1),
QBrush(QColor('red')))
def updateScore(self):
self.addItem(ScoreText('Score: {}'.format(self.score), -30, -40))
def catchFood(self):
for index, item in enumerate(self.food_items):
if self.snake.pos() == (item.x(), item.y()):
self.score += 10
del self.food_items[index]
self.snake.eat()
if not self.food_items:
self.createFood()
def drawSnake(self):
for index, pos in enumerate(self.snake.positions):
self.addRect(pos[0], pos[1], 20, 20,
QPen(QColor('white'), 1),
QBrush(QColor('green')))
if index == 0:
self.addRect(pos[0] + 8, pos[1] + 8, 4, 4,
QPen(QColor('yellow'), 1),
QBrush(QColor('yellow')))
def getStatus(self):
return self.game_status
def test_eat():
snake = Snake()
before = snake.length
snake.eat()
assert before == snake.length - 1
f = open(args.dataset, 'w')
f.write(
'w0,w1,w2,w3,a0,a01,a1,a12,a2,a23,a3,a30,b0,b01,b1,b12,b2,b23,b3,b30,direction'
+ '\n')
rows = 0
pbar = tqdm(total=100, position=0, leave=True)
snake = Snake(config)
apple = Apple(config)
while rows < args.count:
# Detect collision with apple
if snake.x == apple.x and snake.y == apple.y:
snake.eat()
apple = Apple(config)
# collision with body
for part in snake.body:
if snake.x == part[0] and snake.y == part[1]:
snake = Snake(config)
direction = snake.vision(apple)
snake.pre_direction = snake.direction
snake.decision(direction)
if snake.collision_with_wall(snake.direction):
direction = (snake.direction + 1) % 4
if snake.collision_with_wall(direction):
direction = (snake.direction - 1) % 4
