def main():
pygame.init()
clock = pygame.time.Clock()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT), 0, 32)
surface = pygame.Surface(screen.get_size())
surface = surface.convert()
snake = Critter(0)
food = Food(0)
draw_grid(surface)
myfont = pygame.font.SysFont("monospace", 16)
score = 0
while True:
clock.tick(FRAME_RATE)
snake.user_input()
draw_grid(surface)
result = snake.move()
if result == -1:
score = 0
if snake.get_head_position() == food.position:
snake.length += 1
score += 1
food.randomize_position()
food.randomize_color()
snake.draw(surface)
food.draw(surface)
screen.blit(surface, (0, 0))
text = myfont.render(f"Score: {score}", 1, (0, 0, 0))
screen.blit(text, (5, 10))
pygame.display.update()
class Game():
"""
"""
def __init__(self, win_res, gridsize, fps_max):
pygame.init()
self.gridsize = gridsize
self.clock = pygame.time.Clock()
self.window = Window(win_res, self.gridsize)
self.snake = Snake(self)
self.food = Food(self.window)
self.fps_max = fps_max
def run_game(self):
while True:
# Program body
for event in pygame.event.get():
if event.type == pygame.QUIT:
print("Fermeture du jeu, Goodbye!")
pygame.quit()
sys.exit()
else:
if event.type == pygame.KEYDOWN:
self.snake.keys_handling(event.key)
self.window.screen.blit(self.window.checkerboard, (0, 0))
self.snake.move()
self.snake.draw()
self.snake.eat()
self.food.add_color()
self.food.draw()
pygame.display.update()
self.clock.tick(self.fps_max)
def main():
screen = pg.display.set_mode(dimension)
screen.fill((0, 0, 0))
pg.display.set_caption("Snake - IA")
# Game Variables
amount_of_squares = (DIM["x"] / square_dimension,
DIM["y"] / square_dimension)
my_grid = Grid(dimension, square_dimension)
snake = Snake(amount_of_squares,
my_grid) # Main player - snake of Segments()
pg.time.set_timer(UPDATE_EVENT, 100)
food = Food(my_grid)
keep_adding = True
game_clock = pg.time.Clock()
# Game loop
while True:
# FPS - Management
game_clock.tick(40)
# Key
key = pg.key.get_pressed()
temp_direction = snake.segments[0].direction
if key[pg.K_UP] and temp_direction[1] != 1:
snake.move(np.array([0, -1]))
elif key[pg.K_DOWN] and temp_direction[1] != -1:
snake.move(np.array([0, 1]))
elif key[pg.K_LEFT] and temp_direction[0] != 1:
snake.move(np.array([-1, 0]))
elif key[pg.K_RIGHT] and temp_direction[0] != -1:
snake.move(np.array([1, 0]))
elif key[pg.K_SPACE] and keep_adding:
snake.add_segment()
keep_adding = False
'''
Events handler
'''
##screen.fill((0,0,0))
for event in pg.event.get():
if event.type == UPDATE_EVENT:
snake.update(my_grid)
if event.type == QUIT:
print('Quitting game...')
sys.exit(0)
'''
Game Functions
'''
snake.display(my_grid)
food.draw()
food.update(snake)
my_grid.display(screen)
pg.display.flip()
return 0
def main():
pygame.init()
clock = pygame.time.Clock()
screen = pygame.display.set_mode((screen_width, screen_height), 0, 32)
surface = pygame.Surface(screen.get_size())
surface = surface.convert()
drawGrid(surface)
snake = Snake()
food = Food()
myfont = pygame.font.SysFont("impact", 16)
run = True
#main game loop that runs until the snake dies
while (run):
clock.tick(10)
snake.movement()
drawGrid(surface)
snake.move()
if snake.headPos() == food.pos:
snake.lengthBody += 1
snake.gameScore += 1
food.randomPos()
snake.draw(surface)
food.draw(surface)
screen.blit(surface, (0, 0))
textScore = myfont.render("Score {0}".format(snake.gameScore), 1,
(0, 0, 0))
screen.blit(textScore, (5, 10))
if snake.death == True:
myfont = pygame.font.SysFont("impact", 28)
run = False
screen.fill((0, 0, 0))
textDead = myfont.render(
"Your Final Score is {0}".format(snake.gameScore), 1,
(255, 255, 255))
screen.blit(textDead,
((screen_width // 2) - 200, (screen_height // 2) - 50))
textRestart = myfont.render("Press Spacebar to Restart!", 1,
(255, 255, 255))
screen.blit(textRestart,
((screen_width // 2) - 210, (screen_height // 2) - 25))
pygame.display.update()
while run == False:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
snake.reset()
run = True
main()
pygame.display.update()
class Game:
def __init__(self, width: int, height: int, stdscr):
curses.curs_set(0)
stdscr.clear()
stdscr.nodelay(True)
self.__stdscr = stdscr
self.__width = width
self.__height = height
self.__frame = Frame(width, height, "*", stdscr)
self.__food = Food(width // 4, height // 4, "$", stdscr, 1, 1,
width - 1, height - 1)
self.__snake = Snake(width // 2, height // 2, "+", stdscr)
self.__total_time = 0
self.__draw_time_buffer = 0
def clear(self) -> None:
self.__frame = Frame(self.__width, self.__height, "*", self.__stdscr)
self.__food = Food(self.__width // 4, self.__height // 4, "$",
self.__stdscr, 1, 1, self.__width - 1,
self.__height - 1)
self.__snake = Snake(self.__width // 2, self.__height // 2, "+",
self.__stdscr)
def draw(self, time_delta: int) -> None:
self.__draw_time_buffer += time_delta
if self.__draw_time_buffer > 30000:
self.__draw_time_buffer -= 30000
self.__stdscr.clear()
self.__frame.draw()
self.__food.draw()
self.__snake.draw()
self.__stdscr.refresh()
def logic(self, time_delta: int) -> None:
self.__total_time += time_delta
c = int(self.__stdscr.getch())
self.__snake.turn(c)
if self.__total_time > 200000:
self.__total_time -= 200000
if self.__snake.is_hit_self() or self.__frame.is_hit(
self.__snake.head):
self.clear()
if self.__snake.head.is_hit(self.__food):
self.__snake.grow()
self.__food.generate()
self.__snake.move()
def main():
pygame.init()
clock = pygame.time.Clock()
logo = pygame.image.load("durp.jpg")
pygame.display.set_icon(logo)
pygame.display.set_caption("Snake")
screen = pygame.display.set_mode((screen_width, screen_height),
pygame.RESIZABLE)
surface = pygame.Surface(screen.get_size())
surface = surface.convert()
draw_grid(surface)
snake = Snake()
food = Food()
myfont = pygame.font.SysFont("monospace", 16)
running = True
score = 0
while running:
print(snake.positions)
clock.tick(fps)
snake.keys()
draw_grid(surface)
snake.move()
if snake.get_head_position() == food.position:
snake.length += 1
score += 1
food.randomise_position()
snake.draw(surface)
food.draw(surface)
screen.blit(surface, (0, 0))
text = myfont.render("Score {0}".format(score), 1, (0, 0, 0))
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
def game_loop():
snake = Snake()
food = Food()
grid = Grid()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
game_display.fill(WHITE)
food.draw(game_display)
snake.draw(game_display)
snake.move(grid, food, game_display)
pygame.display.update()
clock.tick(FPS)
def game():
snake = Snake(snake_color)
food = Food()
food.set_position(snake)
food.draw(window)
clock = pygame.time.Clock()
while True:
snake.move_body()
if snake.head.position == food.position:
snake.grow()
food.set_position(snake)
food.draw(window)
if snake.head.position in [elem.position for elem in snake.body[1:]]:
display_message_box(snake.points)
snake.restart()
food.set_position(snake)
food.draw(window)
pygame.time.delay(50)
clock.tick(10)
reload_window(snake, food)
class FoodTests(unittest.TestCase):
def setUp(self):
self.food = Food(Vector(0, 0), Colors.CHOCOLATE)
def tearDown(self):
del self.food
def test_instantiation(self):
self.assertEqual(self.food.color, Colors.CHOCOLATE)
self.assertEqual(self.food.position, Vector(0, 0))
def test_draw(self):
game = FakeGame()
self.food.draw(game)
num_draw_calls = len(game.draw_calls)
self.assertEqual(num_draw_calls, 1, 'Number of draw calls!')
draw_call = game.draw_calls[0]
self.assertEqual(draw_call['method'], 'draw_cell')
draw_call_args = draw_call['args']
self.assertEqual(draw_call_args, (0, 0, Colors.CHOCOLATE))
food = Food(block_size,(window.get_width(), window.get_height()))
run = True
while run:
pygame.time.delay(100)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT]:
snek.steer(Direction.LEFT)
elif keys[pygame.K_RIGHT]:
snek.steer(Direction.RIGHT)
elif keys[pygame.K_UP]:
snek.steer(Direction.UP)
elif keys[pygame.K_DOWN]:
snek.steer(Direction.DOWN)
elif keys[pygame.K_SPACE]:
snek.eat()
snek.move()
snek.check_for_food(food)
window.fill((0,0,0))
snek.draw(pygame, window)
food.draw(pygame, window)
pygame.display.update()
# end while loop
pygame.quit()
class Game:
# session class
def __init__(self):
# session initialisation
pg.init()
pg.font.init()
self.font = pg.font.SysFont('Arial', 16)
self.screen = pg.display.set_mode((TOTAL_WIDTH, GRID_HEIGHT))
pg.display.set_caption(TITLE)
self.clock = pg.time.Clock()
self.fps = FPS
self.render = True
def new_simulation(self):
# start a new simulation session
self.genetic_algorithm = GeneticAlgorithm(self)
while True:
self.genetic_algorithm.cur_snake = 0
for network in self.genetic_algorithm.population:
self.new_game(network)
self.genetic_algorithm.cur_snake += 1
self.genetic_algorithm.selection()
self.genetic_algorithm.reproduction()
self.genetic_algorithm.mutation()
self.genetic_algorithm.current_generation += 1
print('Generation: ', self.genetic_algorithm.current_generation)
def new_game(self, neural_network):
# start a new game of snake with the specified neural network
self.snake = Snake(self, neural_network)
self.food = Food(self)
self.run()
def run(self):
# game loop
while self.snake.alive:
self.events()
self.update()
if self.render:
self.draw()
self.clock.tick(self.fps) / 1000
def update(self):
# game loop update
self.snake.update()
self.food.update()
def events(self):
# check for user interaction events
for event in pg.event.get():
if event.type == pg.QUIT:
pg.quit()
sys.exit()
elif event.type == pg.KEYDOWN:
if event.key == pg.K_UP:
self.render = True
self.fps *= 2
elif event.key == pg.K_DOWN:
self.render = True
self.fps = int(self.fps / 2)
if self.fps < 1:
self.fps = 1
elif self.fps > 128:
self.render = False
self.fps = 128
def draw(self):
# draw on screen elements
self.screen.fill(BLACK)
self.draw_grid()
self.snake.draw()
self.food.draw()
genstring = 'Generation: ' + str(
self.genetic_algorithm.current_generation)
gentext = self.font.render(genstring, False, WHITE)
self.screen.blit(gentext, (TOTAL_WIDTH - gentext.get_width(),
(GRID_HEIGHT - 3 * gentext.get_height())))
snakestring = 'Snake: ' + str(self.genetic_algorithm.cur_snake)
snaketext = self.font.render(snakestring, False, WHITE)
self.screen.blit(snaketext,
(TOTAL_WIDTH - snaketext.get_width(),
(GRID_HEIGHT - 2 * snaketext.get_height())))
scorestring = 'Highscore: ' + str(self.genetic_algorithm.highscore)
scoretext = self.font.render(scorestring, False, WHITE)
self.screen.blit(scoretext,
(TOTAL_WIDTH - scoretext.get_width(),
(GRID_HEIGHT - 1 * scoretext.get_height())))
pg.display.flip()
def draw_grid(self):
# draw map tile grid
for x in range(0, GRID_WIDTH + 1, TILESIZE):
pg.draw.line(self.screen, GREY, (x, 0), (x, GRID_HEIGHT))
for y in range(0, GRID_HEIGHT, TILESIZE):
pg.draw.line(self.screen, GREY, (0, y), (GRID_WIDTH, y))
class Environment:
def __init__(self,
wrap=False,
grid_size=10,
local_size=9,
rate=100,
max_time=math.inf,
action_space=5,
food_count=1,
stick_count=1,
obstacle_count=0,
lava_count=0,
zombie_count=0,
history=30,
map_path=None):
"""
Initialise the Game Environment with default values
"""
#self.FPS = 120 # NOT USED YET
self.UPDATE_RATE = rate
self.SCALE = 20 # Scale of each block 20x20 pixels
self.GRID_SIZE = grid_size
self.LOCAL_GRID_SIZE = local_size # Has to be an odd number
self.ENABLE_WRAP = wrap
if not self.ENABLE_WRAP:
self.GRID_SIZE += 2
self.ACTION_SPACE = action_space
self.MAP_PATH = map_path
self.DISPLAY_WIDTH = self.GRID_SIZE * self.SCALE
self.DISPLAY_HEIGHT = self.GRID_SIZE * self.SCALE
# Maximum timesteps before an episode is stopped
self.MAX_TIME_PER_EPISODE = max_time
# Create and Initialise steve
self.steve = Steve(history)
# Create Food
self.NUM_OF_FOOD = food_count
self.food = Food(self.NUM_OF_FOOD)
self.NUM_OF_STICKS = stick_count
self.stick = Stick(self.NUM_OF_STICKS)
# Create Obstacles
self.NUM_OF_OBSTACLES = obstacle_count
self.obstacle = Obstacle(self.NUM_OF_OBSTACLES)
# Create Lava
self.NUM_OF_LAVA = lava_count
self.lava = Lava(self.NUM_OF_LAVA)
# Create Zombies
self.NUM_OF_ZOMBIES = zombie_count
self.zombie = Zombie(self.NUM_OF_ZOMBIES)
self.score = 0
self.time = 0
self.state = None
self.display = None
self.bg = None
self.clock = None
self.font = None
self.steps = 0
self.spawn_new_food = False
self.last_eaten_food = -1
# Used putting food and obstacles on the grid
self.grid = []
for j in range(self.GRID_SIZE):
for i in range(self.GRID_SIZE):
self.grid.append((i * self.SCALE, j * self.SCALE))
self.maze = [] # created in reset()
def prerender(self):
"""
If you want to render the game to the screen, you will have to prerender
Load textures / images
"""
pygame.init()
pygame.key.set_repeat(1, 1)
self.display = pygame.display.set_mode(
(self.DISPLAY_WIDTH, self.DISPLAY_HEIGHT))
pygame.display.set_caption('Malmo Simulation')
self.clock = pygame.time.Clock()
pygame.font.init()
self.font = pygame.font.SysFont('Default', 32, bold=False)
# Creates a visual steve
self.steve.create(pygame, self.SCALE)
# Creates visual Food
self.food.create(pygame, self.SCALE)
# Creates visual Food
self.stick.create(pygame, self.SCALE)
# Creates visual Obstacles
self.obstacle.create(pygame, self.SCALE)
# Creates visual Lava
self.lava.create(pygame, self.SCALE)
# Creates visual Multipliers
self.zombie.create(pygame, self.SCALE)
# Creates the grid background
self.bg = pygame.image.load("./Images/Grid100.png").convert()
self.bg = pygame.transform.scale(self.bg,
(self.SCALE * 100, self.SCALE * 100))
def reset(self):
"""Reset the environment"""
self.steps = 0
# Reset the score to 0
self.score = 0
self.steve.health = 3
# Positions on the grid that are not allowed to spawn things
disallowed = []
# Create obstacles and lava in the environment
self.obstacle.array.clear()
self.obstacle.array_length = 0
self.lava.array.clear()
self.lava.array_length = 0
if self.MAP_PATH != None:
self.obstacle.reset_map(self.GRID_SIZE, self.MAP_PATH,
self.ENABLE_WRAP)
self.lava.reset_map(self.GRID_SIZE, self.MAP_PATH,
self.ENABLE_WRAP)
if not self.ENABLE_WRAP:
self.obstacle.create_border(self.GRID_SIZE, self.SCALE)
# Add all obstacle positions to the disallowed list
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
[disallowed.append(grid_pos) for grid_pos in self.lava.array]
# Add random obstacles not already on the map
self.obstacle.reset(self.grid, disallowed)
# Add all obstacle positions to the disallowed list
disallowed = []
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
[disallowed.append(grid_pos) for grid_pos in self.lava.array]
# Create lava in the environment
# self.lava.array.clear()
# self.lava.array_length = 0
# if self.MAP_PATH != None:
# self.lava.reset_map(self.GRID_SIZE, self.MAP_PATH, self.ENABLE_WRAP)
# [disallowed.append(grid_pos) for grid_pos in self.lava.array]
# Add random lava not already on the map
self.lava.reset(self.grid, disallowed)
disallowed = []
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
[disallowed.append(grid_pos) for grid_pos in self.lava.array]
self.maze = createGrid(self.GRID_SIZE, disallowed, self.SCALE)
# print(self.obstacle.array)
# print("\n")
# print(self.maze)
# Reseting Steve at a random (or specific) position
self.steve.reset(self.grid, disallowed)
# Initialise the movement to not moving
if self.ACTION_SPACE == 5:
self.steve.dx = 0
self.steve.dy = 0
disallowed.append(self.steve.pos)
# Create a piece of food
self.food.reset(self.NUM_OF_FOOD, self.grid, disallowed)
# self.food.make_within_range(self.GRID_SIZE, self.SCALE, self.steve)
self.spawn_new_food = False
[disallowed.append(grid_pos) for grid_pos in self.food.array]
# Spawn in a zombie
self.zombie.reset(self.grid, disallowed)
# Fill the state array with the appropriate state representation
# self.state = self.state_array()
# self.state = self.state_vector_3D()
self.state = self.local_state_vector_3D()
# Reset the time
self.time = 0
# A dictionary of information that can be useful
info = {"time": self.time, "score": self.score}
return self.state, info
def quick_reset(self):
"""Reset the environment and places all entities according to the map layout"""
self.steps = 0
# Reset the score to 0
self.score = 0
self.steve.health = 5
# Positions on the grid that are not allowed to spawn things
disallowed = []
# Create obstacles and lava in the environment
self.obstacle.array.clear()
self.obstacle.array_length = 0
self.lava.array.clear()
self.lava.array_length = 0
self.zombie.array.clear()
self.zombie.amount = 0
self.steve.pos, self.food.array, self.stick.array, self.zombie.array, barrier = reset_impossible_map(
self.GRID_SIZE, self.MAP_PATH)
self.zombie.prev_array = self.zombie.array
# self.steve.pos = (0,0)
self.steve.x = self.steve.pos[0][0]
self.steve.y = self.steve.pos[0][1]
# quick fix for something silly
self.steve.pos[0] = self.steve.x
self.steve.pos.append(self.steve.y)
self.steve.history.clear()
self.steve.history.append((self.steve.x, self.steve.y))
self.steve.hasSword = False
self.obstacle.reset_map(self.GRID_SIZE, self.MAP_PATH,
self.ENABLE_WRAP)
self.lava.reset_map(self.GRID_SIZE, self.MAP_PATH, self.ENABLE_WRAP)
self.obstacle.create_border(self.GRID_SIZE, self.SCALE)
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
[disallowed.append(grid_pos) for grid_pos in self.lava.array]
[disallowed.append(grid_pos) for grid_pos in barrier]
self.maze = createGrid(self.GRID_SIZE, disallowed, self.SCALE)
# Initialise the movement to not moving
if self.ACTION_SPACE == 5:
self.steve.dx = 0
self.steve.dy = 0
self.spawn_new_food = False
self.zombie.amount = len(self.zombie.array)
self.food.amount = len(self.food.array)
self.stick.amount = len(self.stick.array)
# Fill the state array with the appropriate state representation
# self.state = self.state_array()
# self.state = self.state_vector_3D()
self.state = self.local_state_vector_3D()
# Reset the time
self.time = 0
# A dictionary of information that can be useful
info = {"time": self.time, "score": self.score}
return self.state, info
def render(self):
"""Renders ONLY the CURRENT state"""
# Mainly to close the window and stop program when it's running
action = self.controls()
# Set the window caption to the score
# pygame.display.set_caption("Score: " + str(self.score))
# Draw the background, steve and the food
self.display.blit(self.bg, (0, 0))
self.obstacle.draw(self.display)
self.lava.draw(self.display)
self.food.draw(self.display)
self.stick.draw(self.display)
self.zombie.draw(self.display)
self.steve.draw(self.display)
self.steve.draw_health(self.display)
# Text on screen
text = self.font.render("Score: " + str(int(self.score)), True,
(240, 240, 240, 0))
self.display.blit(text, (10, 0))
# text = self.font.render("Multiplier: "+str(self.steve.score_multiplier)+"x", True, (240, 240, 240, 0))
# self.display.blit(text,(150,0))
# Update the pygame display
pygame.display.update()
# print(pygame.display.get_surface().get_size())
# pygame.display.get_surface().lock()
# p = pygame.PixelArray(pygame.display.get_surface())
# p = pygame.surfarray.array3d(pygame.display.get_surface())
# print("PIXELS:", p.shape)
# pygame.display.get_surface().unlock()
# print(clock.get_rawtime())
# clock.tick(self.FPS) # FPS setting
# Adds a delay to the the game when rendering so that humans can watch
pygame.time.delay(self.UPDATE_RATE)
return action
def end(self):
"""
Ending the Game - This has to be at the end of the code
Clean way to end the pygame env
with a few backups...
"""
pygame.quit()
quit()
sys.exit(0) # safe backup
def wrap(self):
""" If the steve goes out the screen bounds, wrap it around"""
if self.steve.x > self.DISPLAY_WIDTH - self.SCALE:
self.steve.x = 0
if self.steve.x < 0:
self.steve.x = self.DISPLAY_WIDTH - self.SCALE
if self.steve.y > self.DISPLAY_HEIGHT - self.SCALE:
self.steve.y = 0
if self.steve.y < 0:
self.steve.y = self.DISPLAY_HEIGHT - self.SCALE
self.steve.pos = (self.steve.x, self.steve.y)
def step(self, action):
"""
Step through the game, one state at a time.
Return the reward, the new_state, whether its reached_diamond or not, and the time
"""
self.steps += 1
# Rewards:
# reward_each_time_step = 1.0
reward_each_time_step = -0.1
reward_collecting_diamond = 10.0
reward_out_of_bounds = -1.0 # not used
reward_zombie_hit = -10.0
reward_in_lava = -10.0
reward_barrier = -2.0
# Increment time step
self.time += 1
# If the steve has reached the food
reached_diamond = False
hit_obstacle = False
in_lava = False
# If the episode is finished - after a certain amount of timesteps or it crashed
done = False
# Initialze to -1 for every time step - to find the fastest route (can be a more negative reward)
reward = reward_each_time_step
# Negetive exponential distance rewards
# if len(self.zombie.array) > 0:
# distance_list = []
# for i, z in enumerate(self.zombie.array):
# distance_list.append((math.sqrt((self.steve.x - z[0])**2 + (self.steve.y - z[1])**2)/self.GRID_SIZE)/2)
# # print(distance_list)
# if min(distance_list) < 1.6:
# reward = reward_barrier
# normal_distance = ((distance/self.GRID_SIZE)*(pi/2))-pi/4
# normal_distance = ((distance/self.GRID_SIZE)*(1.0))-0.4
# reward = np.tan(normal_distance)
# reward = -np.exp(-distance)*10
# Linear distance reward
# if len(self.zombie.array) > 0:
# reward = (math.sqrt((self.steve.x - self.zombie.array[0][0])**2 + (self.steve.y - self.zombie.array[0][1])**2)/20)/self.GRID_SIZE
# Exponential distance reward
# if len(self.zombie.array) > 0:
# reward = (((self.steve.x - self.zombie.array[0][0])**2 + (self.steve.y - self.zombie.array[0][1])**2)/20**2)/self.GRID_SIZE
# Test: if moving, give a reward
# if self.steve.dx != 0 or self.steve.dy != 0:
# reward = -0.01
# Test for having a barrier around the zombie
# if reward < 0.143:
# reward = -5
# Update the position of steve
self.steve.update(self.SCALE, action, self.ACTION_SPACE)
if self.ENABLE_WRAP:
self.wrap()
else:
if self.steve.x > self.DISPLAY_WIDTH - self.SCALE:
reward = reward_out_of_bounds
done = True
if self.steve.x < 0:
reward = reward_out_of_bounds
done = True
if self.steve.y > self.DISPLAY_HEIGHT - self.SCALE:
reward = reward_out_of_bounds
done = True
if self.steve.y < 0:
reward = reward_out_of_bounds
done = True
# Check for obstacle collision
for i in range(self.obstacle.array_length):
hit_obstacle = (self.steve.pos == self.obstacle.array[i])
if hit_obstacle:
self.steve.x = self.steve.prev_pos[0]
self.steve.y = self.steve.prev_pos[1]
self.steve.pos = self.steve.prev_pos
self.steve.history.pop(len(self.steve.history) - 1)
self.steve.history.append(self.steve.pos)
# done = True
# reward = -0.1
# Check for lava collision
for i in range(self.lava.array_length):
in_lava = (self.steve.pos == self.lava.array[i])
if in_lava:
done = True
reward = reward_in_lava
# Update the position of the zombie
# self.zombie.move(self.maze, self.steve, self.steps, self.SCALE)
self.zombie.range_move(self.maze, self.steve, self.steps, self.SCALE)
# Check if zombie gets steve
for i in range(self.zombie.amount):
# print(self.steve.pos, self.zombie.array[i])
if self.steve.pos == self.zombie.array[i]:
zombie_hit = True
else:
zombie_hit = False
self.steve.isHit = False
if zombie_hit:
self.zombie.move_back(i)
self.steve.isHit = True
self.steve.health = self.steve.health - 1
# done = True
reward = reward_zombie_hit
break
# Make the most recent history have the most negative rewards
if self.steve.history_size != 0:
decay = (reward_each_time_step) / (self.steve.history_size)
for i in range(len(self.steve.history) - 1):
# print(i,-1*(1-decay*i))
if ((self.steve.pos) == self.steve.history[-i - 2]):
# reward = -1*(1-decay*i)
break
# Checking if Steve has reached the diamond
reached_diamond, diamond_index = self.food.eat(self.steve)
# ADDED FOR ALLOWING THE MODEL TO HAVE STEVE OVER THE FOOD IN THE STATE
# if self.spawn_new_food:
# disallowed = []
# [disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
# # [disallowed.append(grid_pos) for grid_pos in self.zombie.array]
# # if self.steve.pos not in disallowed:
# # disallowed.append(self.steve.pos)
# self.food.make(self.grid, disallowed, index = self.last_eaten_food)
# self.spawn_new_food = False
# reached_diamond = False
# If Steve reaches the food, increment score
if reached_diamond:
self.score += 1
self.last_eaten_food = diamond_index
self.spawn_new_food = False
# Create a piece of food that is not within Steve
disallowed = []
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
# [disallowed.append(grid_pos) for grid_pos in self.zombie.array]
self.food.make(self.grid, disallowed, index=diamond_index)
# Only collect 1 food item at a time
# done = True
# Reward functions
reward = reward_collecting_diamond
else:
self.spawn_new_food = False
# If Steve collects a stick, increment score
collected_stick, stick_index = self.stick.collect(self.steve)
if collected_stick:
self.score += 1
# Create a piece of food that is not within Steve
disallowed = []
[disallowed.append(grid_pos) for grid_pos in self.obstacle.array]
self.stick.make(self.grid, disallowed, index=stick_index)
# Only collect 1 food item at a time
# done = True
# Reward functions
reward = reward_collecting_diamond
# For fun
if self.score == 3:
self.steve.hasSword = True
done = True
# To make it compatible with malmo
if self.score == self.NUM_OF_FOOD:
# reward = 1
pass
if self.NUM_OF_FOOD != 0:
done = True
pass
if self.steve.health <= 0:
done = True
# If the episode takes longer than the max time, it ends
if self.time == self.MAX_TIME_PER_EPISODE:
# print("Steve survived :)")
# reward = -1.0
done = True
# Get the new_state
# new_state = self.state_array()
# new_state = self.state_vector_3D()
new_state = self.local_state_vector_3D()
# print(reward)
# print(self.steve.history)
# A dictionary of information that may be useful
info = {"time": self.time, "score": self.score}
return new_state, reward, done, info
def state_index(self, state_array):
"""
Given the state array, return the index of that state as an integer
Used for the Qlearning lookup table
"""
return int((self.GRID_SIZE**3) * state_array[0] +
(self.GRID_SIZE**2) * state_array[1] +
(self.GRID_SIZE**1) * state_array[2] +
(self.GRID_SIZE**0) * state_array[3])
def sample_action(self):
"""
Return a random action
Can't use action space 4 with a tail, else it will have a double chance of doing nothing
or crash into itself
"""
return np.random.randint(0, self.ACTION_SPACE)
def set_state(self, state):
"""Set the state of the game environment"""
self.state = state
def set_map(self, map_path):
self.MAP_PATH = map_path
def number_of_states(self):
"""
Return the number of states with just the steve head and 1 food
Used for Q Learning look up table
"""
return (self.GRID_SIZE**2) * ((self.GRID_SIZE**2))
def number_of_actions(self):
"""
Return the number of possible actions
Action space:
> nothing, up, down, left, right
"""
return self.ACTION_SPACE
def state_array(self):
"""
The state represented as an array or steve positions and food positions
Used for Q learning
"""
new_state = np.zeros(4)
new_state[0] = int(self.steve.x / self.SCALE)
new_state[1] = int(self.steve.y / self.SCALE)
new_state[2] = int(self.food.x / self.SCALE)
new_state[3] = int(self.food.y / self.SCALE)
return new_state
def state_vector(self):
"""
The state represented as a onehot 1D vector
Used for the feed forward NN
"""
# (rows, columns)
state = np.zeros((self.GRID_SIZE**2, 3))
# This is for STEVE, the FOOD and EMPTY
for i in range(self.GRID_SIZE): # rows
for j in range(self.GRID_SIZE): # columns
if ((self.steve.x / self.SCALE) == j
and (self.steve.y / self.SCALE) == i):
state[i * self.GRID_SIZE + j] = [1, 0, 0]
# print("steve:", i*self.GRID_SIZE+j)
elif ((self.food.x / self.SCALE) == j
and (self.food.y / self.SCALE) == i):
state[i * self.GRID_SIZE + j] = [0, 1, 0]
# print("Food:", i*self.GRID_SIZE+j)
else:
state[i * self.GRID_SIZE + j] = [0, 0, 1]
# Flatten the vector to a 1 dimensional vector for the input layer to the NN
state = state.flatten()
state = state.reshape(1, (self.GRID_SIZE**2) * 3)
# state = np.transpose(state)
return state
def state_vector_3D(self):
"""
State as a 3D vector of the whole map for the CNN
Shape = (Layers, GRID_SIZE, GRID_SIZE)
"""
state = np.zeros((3, self.GRID_SIZE, self.GRID_SIZE))
state[0,
int(self.steve.y / self.SCALE),
int(self.steve.x / self.SCALE)] = 1
state[1,
int(self.food.y / self.SCALE),
int(self.food.x / self.SCALE)] = 1
# Obstacles
for i in range(self.obstacle.array_length):
state[2,
int(self.obstacle.array[i][1] / self.SCALE),
int(self.obstacle.array[i][0] / self.SCALE)] = 1
# Zombies
# for i in range(len(self.zombie.array)):
# state[1, int(self.zombie.array[i][1]/self.SCALE), int(self.zombie.array[i][0]/self.SCALE)] = 1
return state
def local_state_vector_3D(self):
"""
State as a 3D vector of the local area around the steve
Shape = (Layers, LOCAL_GRID_SIZE, LOCAL_GRID_SIZE)
"""
s_pos = 0
d_pos = 1
z_pos = 2
h_pos = 3
l_pos = 4
o_ops = 5
#s = steve
sx = int(self.steve.x / self.SCALE)
sy = int(self.steve.y / self.SCALE)
state = np.zeros((6, self.LOCAL_GRID_SIZE, self.LOCAL_GRID_SIZE))
# Agent
local_pos = int((self.LOCAL_GRID_SIZE - 1) / 2)
state[s_pos, local_pos, local_pos] = 1
# Diamonds
for i in range(self.food.amount):
x_prime_food = local_pos + int(
self.food.array[i][0] / self.SCALE) - sx
y_prime_food = local_pos + int(
self.food.array[i][1] / self.SCALE) - sy
if x_prime_food < self.LOCAL_GRID_SIZE and x_prime_food >= 0 and y_prime_food < self.LOCAL_GRID_SIZE and y_prime_food >= 0:
state[d_pos, y_prime_food, x_prime_food] = 1
pass
# Zombies
for i in range(len(self.zombie.array)):
x_prime_zom = local_pos + int(
self.zombie.array[i][0] / self.SCALE) - sx
y_prime_zom = local_pos + int(
self.zombie.array[i][1] / self.SCALE) - sy
if x_prime_zom < self.LOCAL_GRID_SIZE and x_prime_zom >= 0 and y_prime_zom < self.LOCAL_GRID_SIZE and y_prime_zom >= 0:
state[z_pos, y_prime_zom, x_prime_zom] = 1
pass
# Obstacles
for i in range(self.obstacle.array_length):
x_prime_obs = local_pos + int(
self.obstacle.array[i][0] / self.SCALE) - sx
y_prime_obs = local_pos + int(
self.obstacle.array[i][1] / self.SCALE) - sy
if x_prime_obs < self.LOCAL_GRID_SIZE and x_prime_obs >= 0 and y_prime_obs < self.LOCAL_GRID_SIZE and y_prime_obs >= 0:
state[o_ops, y_prime_obs, x_prime_obs] = 1
pass
# Out of bounds
for j in range(0, self.LOCAL_GRID_SIZE):
for i in range(0, self.LOCAL_GRID_SIZE):
x_prime_wall = local_pos - sx
y_prime_wall = local_pos - sy
if i < x_prime_wall or j < y_prime_wall:
state[o_ops, j, i] = 1
pass
x_prime_wall = local_pos + (self.GRID_SIZE - sx) - 1
y_prime_wall = local_pos + (self.GRID_SIZE - sy) - 1
if i > x_prime_wall or j > y_prime_wall:
state[o_ops, j, i] = 1
pass
# Lava
for i in range(self.lava.array_length):
x_prime_lava = local_pos + int(
self.lava.array[i][0] / self.SCALE) - sx
y_prime_lava = local_pos + int(
self.lava.array[i][1] / self.SCALE) - sy
if x_prime_lava < self.LOCAL_GRID_SIZE and x_prime_lava >= 0 and y_prime_lava < self.LOCAL_GRID_SIZE and y_prime_lava >= 0:
state[l_pos, y_prime_lava, x_prime_lava] = 1
pass
# History
if self.steve.history_size != 0:
decay = 1 / self.steve.history_size
for i in range(len(self.steve.history) - 1):
x_prime = local_pos + int(
self.steve.history[-i - 2][0] / self.SCALE) - sx
y_prime = local_pos + int(
self.steve.history[-i - 2][1] / self.SCALE) - sy
if x_prime < self.LOCAL_GRID_SIZE and x_prime >= 0 and y_prime < self.LOCAL_GRID_SIZE and y_prime >= 0:
if 1 - decay * i >= 0 and state[h_pos, y_prime, x_prime] == 0:
state[h_pos, y_prime, x_prime] = 1 - decay * i
pass
# Delete these layers:
# state = np.delete(state, s_pos, 0)
# state = np.delete(state, d_pos, 0)
# state = np.delete(state, z_pos, 0)
# state = np.delete(state, h_pos, 0)
# state = np.delete(state, l_pos, 0)
# state = np.delete(state, o_pos, 0)
# DIAMOND DOJO
# state = np.delete(state, 2, 0)
# state = np.delete(state, 2, 0)
# ZOMBIE DOJO
# state = np.delete(state, 1, 0)
# state = np.delete(state, 2, 0)
# EXPLORE DOJO
# state = np.delete(state, 1, 0)
# state = np.delete(state, 1, 0)
# GRID 9 SETUP
# state = np.delete(state, 1, 0)
# state = np.delete(state, 2, 0)
# state = np.delete(state, 2, 0)
# state = np.delete(state, 3, 0)
# state = np.delete(state, 4, 0)
return state
def get_pixels(self):
"""
Returns the pixels in a (GRID*20, GRID*20, 3) size array/
Unfortunatly it has to render in order to gather the pixels
"""
return pygame.surfarray.array3d(pygame.display.get_surface())
def controls(self):
"""
Defines all the players controls during the game
"""
action = 0 # Do nothing as default
for event in pygame.event.get():
# print(event) # DEBUGGING
if event.type == pygame.QUIT:
self.end()
if event.type == pygame.KEYDOWN:
# print(event.key) #DEBUGGING
# In order to quit easily
if (event.key == pygame.K_q):
self.end()
# Moving up
if (event.key == pygame.K_UP or event.key == pygame.K_w):
if self.ACTION_SPACE == 5:
action = 1 # up
# Moving down
elif (event.key == pygame.K_DOWN or event.key == pygame.K_s):
if self.ACTION_SPACE == 5:
action = 2 # down
# Moving left
elif (event.key == pygame.K_LEFT or event.key == pygame.K_a):
if self.ACTION_SPACE == 5:
action = 3 # left
# Moving right
elif (event.key == pygame.K_RIGHT or event.key == pygame.K_d):
if self.ACTION_SPACE == 5:
action = 4 # right
return action
def play(self):
"""
Lets you simply play the game
Useful for debugging and testing out the environment
"""
GAME_OVER = False
self.prerender()
# self.reset()
for i in range(10):
# MAP_NUMBER = np.random.randint(5)
# MAP_NUMBER = 1
# MAP_PATH = "./Maps/Grid{}/map{}.txt".format(self.GRID_SIZE-2, MAP_NUMBER)
# MAP_PATH = "./Maps/Grid{}/impossible_map_empty{}.txt".format(self.GRID_SIZE-2, MAP_NUMBER)
# self.set_map(MAP_PATH)
# self.reset()
self.quick_reset()
GAME_OVER = False
while not GAME_OVER:
# print(self.steve.history)
action = self.controls()
# action = self.render()
# print(self.get_pixels().shape)
s, r, GAME_OVER, i = self.step(action)
# print("\n\n") # DEBUGGING
# print(self.state_vector_3D()) # DEBUGGING
# print(self.local_state_vector_3D()) # DEBUGGING
# print(r)
self.render()
if GAME_OVER:
print("Game Over: time:", i["time"])
self.end()
if RIGHT_DIR:
s.update_tail()
s.update_head(x=10)
screen.fill((0,0,0))
textsurface = myfont.render(str(len(s.position)-2) , False, (255, 255, 255))
screen.blit(textsurface,(0,0))
if s.position[0] == f.position():
food_eaten = True
for i in range(1,len(s.position)):
if s.position[0] == s.position[i]:
GAME_OVER = True
print 'Game Over !!'
break
if food_eaten:
s.eat(f.position()[0], f.position()[1])
f.generate(s.position)
food_eaten = False
f.draw(screen)
s.draw(screen, color)
#print 'Snake: ', s.position[0] ## Debug
#print 'Food: ', f.position() ## Debug
pygame.display.flip()
clock.tick(15)
class SnakeGame:
def __init__(self):
print(pygame.font.get_fonts())
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption('Hungry Python')
self.stats = Stats(self)
self.snakes = []
self.direction = ["LEFT", "RIGHT", "UP", "DOWN"]
self.food = Food(self)
self.score = 0
self._init_game()
self.lose_button = Button(self, "You Lose!", 300, 250)
self.restart_button = Button(self,
"Click on spacebar or here to proceed",
300, 350, 30)
self.highscore_button = Button(self,
f"Highscore : {self.stats.highscore}",
480, 50, 30)
self.score_button = Button(self, f"Score : {self.score}", 480, 50, 20)
def _init_game(self):
self.snakes = []
self.snakes.append(
Snake(self, self.settings.snake_initial_x,
self.settings.snake_initial_y))
self.snakes.append(Snake(self, 280, 300))
self.snakes.append(Snake(self, 260, 300))
self.moving_direction = self.direction[1]
self.food.update()
self.score = 0
def run_game(self):
while True:
self._check_events()
if self.stats.game_active:
self._update_snakes()
self._check_collision()
time.sleep(self.settings.sleep_length)
self._update_screen()
def _update_screen(self):
self.screen.fill(self.settings.bg_color)
for snake in self.snakes:
snake.draw()
self.food.draw()
self.score_button.draw_button()
if not self.stats.game_active:
self.lose_button.draw_button()
self.restart_button.draw_button()
self.highscore_button.draw_button()
pygame.display.flip()
def _update_snakes(self, update_type="uncollided"):
head_x = self.snakes[0].x
head_y = self.snakes[0].y
offset = self.settings.snake_speed
if self.moving_direction == self.direction[0]:
head_x -= offset
elif self.moving_direction == self.direction[1]:
head_x += offset
elif self.moving_direction == self.direction[2]:
head_y -= offset
elif self.moving_direction == self.direction[3]:
head_y += offset
self.snakes.insert(0, Snake(self, head_x, head_y))
if update_type == "uncollided":
self.snakes.pop(-1)
def _check_collision(self):
if pygame.Rect.colliderect(self.snakes[0].rect, self.food.rect):
self._update_snakes("collided")
self.food = Food(self)
self.score += self.settings.points
self.score_button.update_text(f"Score : {self.score}")
for a in range(0, len(self.snakes) - 1):
for b in range(a + 1, len(self.snakes)):
if pygame.Rect.colliderect(self.snakes[a].rect,
self.snakes[b].rect):
self._lose()
x = self.snakes[0].x
y = self.snakes[0].y
offset = self.settings.cube_length
if x < 0 or x + offset > self.settings.screen_width:
self._lose()
elif y < 0 or y + offset > self.settings.screen_height:
self._lose()
def _lose(self):
self.stats.game_active = False
self.stats.update_highscore(self.score)
self.highscore_button.update_text(
f"Highscore : {self.stats.highscore}")
self._init_game()
def _check_events(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_button_mouse(mouse_pos)
def _check_keydown_events(self, event):
if event.key == pygame.K_LEFT and not self.moving_direction == self.direction[
1]:
self.moving_direction = self.direction[0]
elif event.key == pygame.K_RIGHT and not self.moving_direction == self.direction[
0]:
self.moving_direction = self.direction[1]
elif event.key == pygame.K_UP and not self.moving_direction == self.direction[
3]:
self.moving_direction = self.direction[2]
elif event.key == pygame.K_DOWN and not self.moving_direction == self.direction[
2]:
self.moving_direction = self.direction[3]
elif event.key == pygame.K_SPACE:
if not self.stats.game_active:
self.stats.game_active = True
def _check_button_mouse(self, mouse_pos):
button_clicked = self.restart_button.text_rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
self.stats.game_active = True
class Game:
"""The main class that makes up the game"""
def __init__(self):
"""Constructor"""
self.speed = START_SPEED
# will increase game speed every 10 times we eat
self.eaten = 0
# defining the outer wall blocks
self.wallblock = pygame.Surface((
BLOCK_SIZE,
BLOCK_SIZE,
))
self.wallblock.set_alpha(255)
self.wallblock.fill(BLUE)
self.wallblockdark = pygame.Surface((
BLOCK_SIZE_INNER,
BLOCK_SIZE_INNER,
))
self.wallblockdark.set_alpha(255)
self.wallblockdark.fill(BLUE_DARK)
# initialize pygame, clock for game speed and screen to draw
pygame.init()
# initializing mixer, sounds, clock and screen
pygame.mixer.init()
self.eatsound = pygame.mixer.Sound("snakeeat.wav")
self.crashsound = pygame.mixer.Sound("snakecrash.wav")
self.clock = pygame.time.Clock()
self.screen = pygame.display.set_mode((
(WIDTH + 2) * BLOCK_SIZE,
(HEIGHT + 2) * BLOCK_SIZE,
))
pygame.display.set_caption("snake")
font = pygame.font.SysFont(pygame.font.get_default_font(), 40)
self.gameovertext = font.render("GAME OVER", 1, WHITE)
self.starttext = font.render("PRESS ANY KEY TO START", 1, WHITE)
self.screen.fill(BLACK)
# we need a snake and something to eat
self.snake = Snake(self.screen, WIDTH // 2, HEIGHT // 2)
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
# food should not appear where the snake is
while self.food.get_pos() in self.snake.pos_list:
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
# only queue quit and and keydown events
# pygame.event.set_allowed([pygame.QUIT, pygame.KEYDOWN])
pygame.event.set_blocked([
pygame.MOUSEMOTION,
pygame.MOUSEBUTTONUP,
pygame.MOUSEBUTTONDOWN,
])
def draw_walls(self):
"""Draw all walls of the game surface"""
# left and right walls
for y in range(HEIGHT + 1): # pylint: disable=invalid-name
self.screen.blit(self.wallblock, (
0,
y * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
5,
y * BLOCK_SIZE + 5,
))
self.screen.blit(self.wallblock, (
(WIDTH + 1) * BLOCK_SIZE,
y * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
(WIDTH + 1) * BLOCK_SIZE + 5,
y * BLOCK_SIZE + 5,
))
# upper and bottom walls
for x in range(WIDTH + 2): # pylint: disable=invalid-name
self.screen.blit(self.wallblock, (
x * BLOCK_SIZE,
0,
))
self.screen.blit(self.wallblockdark, (
x * BLOCK_SIZE + 5,
5,
))
self.screen.blit(self.wallblock, (
x * BLOCK_SIZE,
(HEIGHT + 1) * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
x * BLOCK_SIZE + 5,
(HEIGHT + 1) * BLOCK_SIZE + 5,
))
def loop(self):
"""The game's main loop"""
while True:
# check crash or move outside the limits
if self.snake.outside_limits(WIDTH, HEIGHT) or self.snake.crashed:
self.crashsound.play()
return
# draw screen with snake and foods
self.food.draw()
self.snake.draw()
self.draw_walls()
pygame.display.flip()
# check if snake eates
if self.food.get_pos() == self.snake.get_head_pos():
self.eatsound.play()
self.snake.grow()
# food should not appear where the snake is
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
while self.food.get_pos() in self.snake.pos_list:
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
self.eaten += 1
# increase game speed
if self.eaten % SPEED_INC == 0:
self.speed += SPEED_TICK
# game speed control
self.clock.tick(self.speed)
# get the next event on queue
event = pygame.event.poll()
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
actmotdir = self.snake.motion_dir
if event.key == pygame.K_ESCAPE:
sys.exit()
elif event.key == pygame.K_UP and actmotdir != DOWN:
self.snake.motion_dir = UP
elif event.key == pygame.K_DOWN and actmotdir != UP:
self.snake.motion_dir = DOWN
elif event.key == pygame.K_RIGHT and actmotdir != LEFT:
self.snake.motion_dir = RIGHT
elif event.key == pygame.K_LEFT and actmotdir != RIGHT:
self.snake.motion_dir = LEFT
# remove the snake and make movement
self.snake.remove()
self.snake.move()
def game_over(self):
"""When crashed print "game over" and wait for Esc key"""
self.clock.tick(LONG)
self.snake.draw()
self.draw_walls()
for pos in self.snake.pos_list[1:]:
self.screen.blit(self.snake.backblock, (
pos[1] * BLOCK_SIZE,
pos[0] * BLOCK_SIZE,
))
pygame.display.flip()
self.clock.tick(SHORT)
while True:
self.screen.blit(self.gameovertext, (
(WIDTH - 4) * BLOCK_SIZE / 2,
HEIGHT * BLOCK_SIZE / 2,
))
pygame.display.flip()
event = pygame.event.wait()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
sys.exit()
def start(self):
"""The game starts here"""
# press any key to start!!!
self.draw_walls()
self.screen.blit(self.starttext, (
(WIDTH - 10) * BLOCK_SIZE / 2,
HEIGHT * BLOCK_SIZE / 2,
))
pygame.display.flip()
waiting = True
while waiting:
event = pygame.event.wait()
if event.type == pygame.KEYDOWN:
waiting = False
self.screen.fill(BLACK)
# main loop
self.loop()
self.game_over()
class SnakeGame(arcade.Window):
def __init__(self):
super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
self.set_update_rate(0.25)
self.wall_list = None
self.snake = None
self.food = None
self.score = 0
self.should_wait_until_next_redraw = False
self.game_over = False
def setup(self):
self.wall_list = arcade.SpriteList()
self.snake = Snake()
self.food = Food()
self.score = 0
self.should_wait_until_next_redraw = False
self.game_over = False
self.setup_wall()
self.snake.setup()
self.setup_food()
def setup_wall(self):
for x in range(0, SCREEN_WIDTH, TILE_SIZE):
for y in range(0, SCREEN_HEIGHT, TILE_SIZE):
wall = arcade.Sprite(
get_texture("images/tiles/grassCenter.png"), TILE_SCALING)
wall.left = x
wall.bottom = y
self.wall_list.append(wall)
def setup_food(self):
while True:
x = random.randrange(0, SCREEN_WIDTH, TILE_SIZE)
y = random.randrange(0, SCREEN_HEIGHT, TILE_SIZE)
if not self.snake.exists_at_coordinates(x, y):
break
self.food.left = x
self.food.bottom = y
def on_draw(self):
self.game_over = self.game_over or self.snake.is_off_screen(
) or self.snake.has_collided_with_self()
self.should_wait_until_next_redraw = False
self.snake.move()
self.wall_list.draw()
if self.snake.exists_at_coordinates(self.food.left, self.food.bottom):
self.setup_food()
self.score += 1
self.snake.extend()
if self.game_over:
self.draw_game_over()
else:
self.snake.draw()
self.food.draw()
score_text = f"Score: {self.score}"
arcade.draw_text(score_text, 10, 10, arcade.csscolor.WHITE, 18)
@staticmethod
def draw_game_over():
arcade.draw_text("Game Over", TILE_SIZE, SCREEN_HEIGHT / 2,
arcade.color.WHITE, 54)
def on_key_press(self, key, modifiers):
# If multiple key presses handled between redraws, there is a risk that the snake can do
# a 180 degree turn on the spot thus moving over itself. This flag prevents this.
if self.should_wait_until_next_redraw:
return
else:
self.should_wait_until_next_redraw = True
if (key == arcade.key.UP
or key == arcade.key.W) and not self.snake.moving_down:
self.snake.set_moving_up()
elif (key == arcade.key.DOWN
or key == arcade.key.S) and not self.snake.moving_up:
self.snake.set_moving_down()
elif (key == arcade.key.LEFT
or key == arcade.key.A) and not self.snake.moving_right:
self.snake.set_moving_left()
elif (key == arcade.key.RIGHT
or key == arcade.key.D) and not self.snake.moving_left:
self.snake.set_moving_right()
class Board:
def __init__(self, screen):
self.screen = screen
self.segments = []
self.blockSize = 20
self.segmentLife = 3
self.stillPlaying = True
self.padding = 3
self.food = Food(self.screen)
self.randomizeFood()
self.score = 0
self.insert(Segment())
self.paused = False
self.messages = []
def draw(self):
self.drawSegments()
self.food.draw()
self.drawScore()
self.drawMessages()
def drawSegments(self):
for segment in self.segments:
segment.draw(self.screen)
def drawMessages(self):
for message in self.messages:
message.draw(self.screen)
self.messages = []
def drawScore(self):
scoreText = "Score: " + str(self.score)
self.messages.append(Message(scoreText))
def insert(self, segment):
self.segments.insert(0, segment)
def updateSegments(self):
survivingSegments = []
for segment in self.segments:
segment.update()
if segment.life > 0:
survivingSegments.append(segment)
self.segments = survivingSegments
def update(self, direction='right'):
if self.stillPlaying and not self.paused:
self.updateSnake(direction)
self.draw()
elif not self.stillPlaying:
self.draw()
deathMessage = "You have died. Press space to reset or q to quit."
self.messages.append(
Message(
deathMessage,
self.screen.get_rect().centerx -
TextRenderer.getRenderedWidth(deathMessage) / 2,
self.screen.get_rect().centery))
else:
self.draw()
def updateSnake(self, direction='right'):
self.updateSegments()
self.moveSnake(direction)
if (not self.snakeIsInsideScreen(
self.screen)) or (self.segments[0].getRect().collidelist(
self.segments[1:]) != -1):
self.stillPlaying = False
if (self.collidingWithFood()):
self.increaseLength(5)
self.score += 1
self.randomizeFood()
def snakeIsInsideScreen(self, screen):
return screen.get_rect().contains(self.segments[0].getRect())
def moveSnake(self, direction):
if (direction == 'right'):
self.insert(
Segment(self.segments[0].x + self.blockSize + self.padding,
self.segments[0].y, self.segmentLife, self.blockSize))
elif (direction == 'left'):
self.insert(
Segment(self.segments[0].x - self.blockSize - self.padding,
self.segments[0].y, self.segmentLife, self.blockSize))
elif (direction == 'up'):
self.insert(
Segment(self.segments[0].x,
self.segments[0].y - self.blockSize - self.padding,
self.segmentLife, self.blockSize))
elif (direction == 'down'):
self.insert(
Segment(self.segments[0].x,
self.segments[0].y + self.blockSize + self.padding,
self.segmentLife, self.blockSize))
def collidingWithFood(self):
return self.segments[0].getRect().colliderect(self.food.getRect())
def increaseLength(self, length):
self.segmentLife += length
def randomizeFood(self):
self.food.getRect().x = random.choice(
range(
10,
self.screen.get_rect().width -
(self.blockSize + self.padding + 10)))
self.food.getRect().y = random.choice(
range(
10,
self.screen.get_rect().height -
(self.blockSize + self.padding + 10)))
if (self.isCollidingWithSnake(self.food)):
self.randomizeFood()
def isCollidingWithSnake(self, collideableObject):
return collideableObject.getRect().collidelist(self.segments) != -1
class Game:
def __init__(self):
self.snake = None
self.food = None
self.clock = None
self.screen = None
self.menu = None
self.background_image = None
self.background_sound = None
self.fps = settings.fps
self.font = None
self.menu = None
# pygame and other object inizialization
def inizialization(self) -> None:
# pygame inizialization
pygame.init()
pygame.display.set_caption(settings.caption)
# other objects inizialization
self.screen = pygame.display.set_mode(
(settings.width, settings.height))
self.snake = Snake()
self.food = Food()
self.clock = pygame.time.Clock()
self.background_image = pygame.image.load(
'data/background/background.png').convert()
self.font = pygame.font.SysFont('Arial', 36, True)
self.menu = Menu()
# draw sprites and bg
def draw_game_objects(self) -> None:
self.screen.blit(self.background_image, (0, 0))
self.snake.draw(self.screen)
self.food.draw(self.screen)
# game loop
def main_loop(self) -> None:
in_menu = True
running = True
paused = False
render = self.font.render("PAUSE", 1, settings.RED)
back_to_menu_button = Back_to_menu_button(780, 560, 210, 40)
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
if not in_menu:
# not in menu
if event.type == pygame.KEYUP:
if event.key == pygame.K_ESCAPE:
paused = not paused
if not in_menu:
# not in menu
if not paused:
# game is not in pause
self.snake.movement(self.food)
self.draw_game_objects()
if not self.snake.check_collision():
self.game_over()
self.reset()
else:
# game in pause
render_score = self.font.render(
f"Your score: {self.snake.score}!", 1, settings.RED)
self.screen.blit(render_score, (10, 10))
self.screen.blit(render, (435, 250))
back_to_menu_button.draw(self.screen)
if back_to_menu_button.check_state():
self.reset()
in_menu = not in_menu
paused = False
else:
# in menu
if self.menu.update(self.screen):
in_menu = not in_menu
pygame.display.flip()
self.clock.tick(self.fps)
# game over func
def game_over(self):
print(f"Your score: {self.snake.score}!")
# reset for new game
def reset(self):
self.snake = Snake()
self.food = Food()
s=Snake()
f=Food()
sc=score()
screen.listen()
screen.onkey(fun=s.Left,key="Left")
screen.onkey(fun=s.Up,key="Up")
screen.onkey(fun=s.Down,key="Down")
screen.onkey(fun=s.Right,key="Right")
option=1
while option:
screen.update()
time.sleep(0.1)
s.move()
if s.head.distance(f)<15:
s.extend()
f.draw()
sc.w()
if s.head.xcor()>=280 or s.head.ycor()>=280 or s.head.xcor()<=-280 or s.head.ycor()<=-280:
print("Imma out")
sc.w()
sc.high_score()
sc.reset()
s.reset()
for segments in s.t:
if segments==s.head:
pass
elif s.head.distance(segments)<15:
sc.w()
sc.high_score()
sc.reset()
s.reset()
class Game():
def __init__(self):
self.player = Player()
self.food = Food()
self.points = 0
self.ticks = 0
self.running = False
self.foodExists = False
def startGame(self):
pygame.init()
clock = pygame.time.Clock()
display = pygame.display.set_mode((500,500))
self.running = True
while self.running:
clock.tick(15)
self.ticks += 1
self.eventController()
self.collisionController()
self.inputController()
self.foodController()
self.updateController()
self.drawController(display)
def eventController(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.running = False
return
def inputController(self):
keyInput = pygame.key.get_pressed()
if keyInput[pygame.K_ESCAPE]:
self.running = False
return
if keyInput[pygame.K_UP] and self.player.head.direction != constants.downDir:
self.player.head.cube.updateDirection(constants.upDir)
if keyInput[pygame.K_DOWN] and self.player.head.direction != constants.upDir:
self.player.head.cube.updateDirection(constants.downDir)
if keyInput[pygame.K_LEFT] and self.player.head.direction != constants.rightDir:
self.player.head.cube.updateDirection(constants.leftDir)
if keyInput[pygame.K_RIGHT] and self.player.head.direction != constants.leftDir:
self.player.head.cube.updateDirection(constants.rightDir)
def drawController(self, display):
display.fill((0, 0, 0))
self.food.draw(display)
for tail in self.player.body:
tail.cube.draw(display)
pygame.display.flip()
def updateController(self):
for tail in self.player.body:
tail.cube.update()
if tail.forward != None:
tail.cube.updateTailLocation(tail.forward.cube.getDirection(), 10)
def collisionController(self):
if self.player.body[0].cube.getLocation() == self.food.getLocation():
self.points += 1
self.player.addTail()
self.foodExists = False
def foodController(self):
if self.foodExists == False:
self.food.updateLocation(Location(self.food.getRandomLocation(), self.food.getRandomLocation()))
self.foodExists = True
class Board:
def __init__(self, screen):
self.screen = screen
self.segments = []
self.blockSize = 20
self.segmentLife = 3
self.stillPlaying = True
self.padding = 3
self.food = Food(self.screen)
self.randomizeFood()
self.score = 0
self.insert(Segment())
self.paused = False
self.messages = []
def draw(self):
self.drawSegments()
self.food.draw()
self.drawScore()
self.drawMessages()
def drawSegments(self):
for segment in self.segments:
segment.draw(self.screen)
def drawMessages(self):
for message in self.messages:
message.draw(self.screen)
self.messages = []
def drawScore(self):
scoreText = "Score: " + str(self.score)
self.messages.append(Message(scoreText))
def insert(self, segment):
self.segments.insert(0, segment)
def updateSegments(self):
survivingSegments = []
for segment in self.segments:
segment.update()
if segment.life > 0:
survivingSegments.append(segment)
self.segments = survivingSegments
def update(self, direction='right'):
if self.stillPlaying and not self.paused:
self.updateSnake(direction)
self.draw()
elif not self.stillPlaying:
self.draw()
deathMessage = "You have died. Press space to reset or q to quit."
self.messages.append(Message(deathMessage, self.screen.get_rect().centerx - TextRenderer.getRenderedWidth(deathMessage)/2, self.screen.get_rect().centery));
else:
self.draw()
def updateSnake(self, direction='right'):
self.updateSegments()
self.moveSnake(direction)
if (not self.snakeIsInsideScreen(self.screen)) or (self.segments[0].getRect().collidelist(self.segments[1:]) != -1):
self.stillPlaying = False
if(self.collidingWithFood()):
self.increaseLength(5)
self.score += 1
self.randomizeFood()
def snakeIsInsideScreen(self, screen):
return screen.get_rect().contains(self.segments[0].getRect())
def moveSnake(self, direction):
if(direction == 'right'):
self.insert(Segment(self.segments[0].x + self.blockSize+self.padding, self.segments[0].y, self.segmentLife, self.blockSize))
elif(direction == 'left'):
self.insert(Segment(self.segments[0].x - self.blockSize-self.padding, self.segments[0].y, self.segmentLife, self.blockSize))
elif(direction == 'up'):
self.insert(Segment(self.segments[0].x, self.segments[0].y - self.blockSize-self.padding, self.segmentLife, self.blockSize))
elif(direction == 'down'):
self.insert(Segment(self.segments[0].x, self.segments[0].y + self.blockSize+self.padding, self.segmentLife, self.blockSize))
def collidingWithFood(self):
return self.segments[0].getRect().colliderect(self.food.getRect())
def increaseLength(self, length):
self.segmentLife += length
def randomizeFood(self):
self.food.getRect().x = random.choice(range(10, self.screen.get_rect().width-(self.blockSize+self.padding+10)))
self.food.getRect().y = random.choice(range(10, self.screen.get_rect().height-(self.blockSize+self.padding+10)))
if(self.isCollidingWithSnake(self.food)):
self.randomizeFood()
def isCollidingWithSnake(self, collideableObject):
return collideableObject.getRect().collidelist(self.segments) != -1
class Game:
def __init__(self, w, h):
self.width = w
self.height = h
self.food = Food(w / 2, h / 2)
self.player = Snake(40, 40)
self.player2 = Snake(100, 100)
self.canvas = Canvas(self.width, self.height, "Testing...")
self.gridwh = 20
self.mv = None
def run(self):
clock = pygame.time.Clock()
run = True
while run:
clock.tick(60)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
if event.type == pygame.K_ESCAPE:
run = False
keys = pygame.key.get_pressed()
if keys[pygame.K_RIGHT]:
if self.player.facing != 1:
self.mv = 0
if keys[pygame.K_LEFT]:
if self.player.facing != 0:
self.mv = 1
if keys[pygame.K_UP]:
if self.player.facing != 3:
self.mv = 2
if keys[pygame.K_DOWN]:
if self.player.facing != 2:
self.mv = 3
if self.player.location == self.food.location:
self.player.eat()
self.player.eaten += 1
self.food.respawn()
elif self.player.location in self.player.length[:
-1] or self.player.location in self.player.set_pieces:
self.player.respawn()
if 0 <= self.player.x < self.width and 0 <= self.player.y < self.height:
pass
else:
self.player.respawn()
if self.player.x % 20 == 0 and self.player.y % 20 == 0:
if self.mv == 0:
self.player.turn(0)
elif self.mv == 1:
self.player.turn(1)
elif self.mv == 2:
self.player.turn(2)
elif self.mv == 3:
self.player.turn(3)
self.player.move(self.player.facing)
# Update Canvas
self.canvas.draw_background()
self.player.draw(self.canvas.get_canvas())
###
self.player.draw_sets(self.canvas.get_canvas())
###
# self.player2.draw(self.canvas.get_canvas())
self.food.draw(self.canvas.get_canvas())
self.canvas.update()
pygame.quit()
class PlayState(GameState):
TICK_LENGTH: float = 0.1
GRID_SIZE: int = 50
INITIAL_BODY_SIZE = 3
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
FOOD_COLOR = (0xFF, 0x90, 0x00)
tick_time: float
head: Head
body: List[Body]
food: Food
hud: HUD
def init(self):
PlayState.TICK_LENGTH = 0.1
self.tick_time = 0
self.head = Head(PlayState.GRID_SIZE)
self.body = []
for i in range(PlayState.INITIAL_BODY_SIZE):
self.__add_body__()
self.food = Food(PlayState.GRID_SIZE, self.head.pos)
self.hud = HUD()
pass
def handle_input(self):
if MyInput.key_check_pressed(MyInput.BACK):
self.switch_state(GameStateType.TITLE)
self.head.handle_input()
pass
def update(self, screen_size: Tuple[float, float], delta_time):
self.tick_time += delta_time
if self.tick_time >= PlayState.TICK_LENGTH:
self.tick_time = 0
self.__tick__(delta_time)
pass
def __tick__(self, delta_time):
for body in self.body:
if body.colliding_with(self.head):
Snake.score = len(self.body) - PlayState.INITIAL_BODY_SIZE
self.switch_state(GameStateType.GAME_OVER)
if len(self.body) >= 1:
self.body[0].set_direction(self.head)
for i in range(1, len(self.body)):
self.body[i].set_direction(self.body[i - 1])
for body in self.body:
body.update()
self.head.update()
if self.head.colliding_with(self.food):
PlayState.TICK_LENGTH *= .95
self.food.reset(PlayState.GRID_SIZE, self.head.pos)
self.__add_body__()
if self.head.pos.x < 0 or self.head.pos.x > PlayState.GRID_SIZE - 1 or self.head.pos.y < 0 or self.head.pos.y > PlayState.GRID_SIZE - 1:
Snake.score = len(self.body) - PlayState.INITIAL_BODY_SIZE
self.switch_state(GameStateType.GAME_OVER)
def draw(self, surface: Surface, screen_size: Tuple[float, float], delta_time):
cell_width = 10
grid_width = cell_width * PlayState.GRID_SIZE
start_x = (screen_size[0] * 0.5) - (grid_width * 0.5)
start_y = (screen_size[1] * 0.5) - (grid_width * 0.5)
pygame.draw.rect(surface, PlayState.WHITE, Rect(start_x, start_y, grid_width, grid_width), 1)
self.head.draw(surface, PlayState.BLACK, start_x, start_y, cell_width, cell_width)
for body in self.body:
body.draw(surface, PlayState.BLACK, start_x, start_y, cell_width, cell_width)
self.food.draw(surface, PlayState.FOOD_COLOR, start_x, start_y, cell_width, cell_width)
score = len(self.body) - PlayState.INITIAL_BODY_SIZE
self.hud.draw(surface, start_x, start_y, grid_width, score, PlayState.BLACK)
def __add_body__(self):
if len(self.body) < 1:
self.body.append(Body(self.head))
else:
self.body.append(Body(self.body[len(self.body) - 1]))
class Game:
def __init__(self, board_size):
self.__board_size = board_size
self.__food = Food(random.randint(0, board_size // 4),
random.randint(0, board_size // 6), 50, board_size)
self.__snake_vel = [0, 0]
self.__init_game()
def start(self, FPS):
clock = pygame.time.Clock()
while not self.__game_over:
self.__logic()
self.__input()
self.__render()
clock.tick(FPS)
def __init_game(self):
pygame.init()
self.__BACKGROUND_COLOR = (0, 0, 0)
self.__score_font = pygame.font.SysFont("monospace", 35)
self.__WIDTH = self.__board_size + 150
self.__HEIGHT = self.__board_size + 100
self.__snake = Snake([self.__board_size // 2, self.__board_size // 2],
(self.__WIDTH, self.__HEIGHT))
self.__screen = pygame.display.set_mode((self.__WIDTH, self.__HEIGHT))
self.__game_over = False
def __logic(self):
if self.__food.is_colliding(self.__snake.get_position(),
self.__snake.get_rect_size()):
self.__snake.add_point()
self.__food.spawn()
def __input(self):
for event in pygame.event.get():
# the X button is pressed
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
self.__snake_vel = [-1, 0]
elif event.key == pygame.K_RIGHT:
self.__snake_vel = [1, 0]
elif event.key == pygame.K_UP:
self.__snake_vel = [0, -1]
elif event.key == pygame.K_DOWN:
self.__snake_vel = [0, 1]
elif event.key == pygame.K_p:
self.__pause_game()
self.__game_over = self.__snake.move(self.__snake_vel)
def __render(self):
self.__screen.fill(self.__BACKGROUND_COLOR)
self.__food.draw(self.__screen)
self.__snake.draw(self.__screen)
self.__print_score()
pygame.display.update()
def __print_score(self):
text = "Score: " + str(self.__snake.get_score())
COLOR = (255, 255, 0) # yellow
label = self.__score_font.render(text, 1, COLOR)
self.__screen.blit(label, (5, self.__HEIGHT - 40))
def __pause_game(self):
pause = True
while pause:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_p:
pause = False
class Playing(State):
COLLIDED = 0
def __init__(self, game):
self.snake = Snake()
self.elapsed_time = pygame.time.get_ticks()
self.game = game
self.food = None
self.font = pygame.font.SysFont('Arial', 14, bold=True)
self.point_text = "Points: "
self.spawn_food()
def draw_grid(self, win: pygame.Surface):
for row in range(1, ROWS):
start_pos = (0, row * SQUARE_SIZE)
end_pos = (WIDTH, row * SQUARE_SIZE)
pygame.draw.line(win, GREEN, start_pos, end_pos)
for col in range(1, COLS):
start_pos = (col * SQUARE_SIZE, 0)
end_pos = (col * SQUARE_SIZE, HEIGHT)
pygame.draw.line(win, GREEN, start_pos, end_pos)
def spawn_food(self):
unallowed_squares = map(lambda segment: (segment.row, segment.col),
self.snake.segments)
self.food = Food(unallowed_squares=unallowed_squares)
def draw(self, win: pygame.Surface):
self.draw_grid(win)
self.snake.draw(win)
self.food.draw(win)
point_text = self.point_text + str(self.snake.points)
text = self.font.render(point_text, True, WHITE)
text_rect = text.get_rect()
text_rect.right = WIDTH
text_rect.top = 0
win.blit(text, text_rect)
def move(self):
self.snake.move()
def handle_event(self, event: pygame.event.EventType):
self.snake.handle_event(event)
def check_for_collisions(self):
return self.snake.check_for_collisions(self.food.row, self.food.col)
def run(self, win: pygame.Surface):
for event in pygame.event.get():
if event.type == pygame.QUIT:
return False
self.handle_event(event)
new_elapsed_time = pygame.time.get_ticks()
delta_time = new_elapsed_time - self.elapsed_time
if delta_time >= MOVE_TIME:
self.move()
self.elapsed_time = new_elapsed_time
collision = self.check_for_collisions()
if collision == Snake.WALL or collision == Snake.SNAKE:
self.game.set_state(self.game.MENU)
elif collision == Snake.FOOD:
self.snake.grow()
self.spawn_food()
return True
class Game(object):
def __init__(self):
# Create board
self.width = 750
self.height = 550
self.board = Board(self.width, self.height) # Create board ancho, alto
self.board.setTitle("Snake") # Set tittle
# Create snake
self.cell1 = Cell((self.height / 2) + 10,
(self.width / 2) + 10) # Create Cell
cell2 = Cell(390, 390)
self.snake = Snake(self.cell1)
self.snake.appendCell(cell2)
# Create food
self.food = Food(random.randint(0, self.width - 10),
random.randint(0, self.height - 10))
# Create Score
self.score = 0
# AI
self.reward = 0
def addScore(self, point):
self.score += 1
def showScore(self, screen):
font = pygame.font.Font('freesansbold.ttf', 18)
score = font.render("Score: " + str(self.score), True, (255, 255, 255))
screen.blit(score, (10, 10))
# Calculate distance between the head and the snake body
def isCollition(self, headPosx, cellX, headPosy, cellY):
distance = math.sqrt((math.pow(headPosx - cellX, 2)) +
(math.pow(headPosy - cellY, 2)))
if distance <= 0:
return True
# Shows Game over title
def gameOver(self, screen):
font = pygame.font.Font('freesansbold.ttf', 40)
game = font.render("GAME OVER", True, (255, 255, 255))
screen.blit(game, (220, (self.height) / 2))
pygame.display.flip()
def restart(self):
self.__init__()
# Main method that shows board and cell and get events for the movement
def run(self):
game_over = False
self.board.showScreen()
screen = self.board.getScreen()
running = True
while running:
for event in pygame.event.get():
# print(event) # to print clicks events and keyboard events
if event.type == pygame.QUIT:
running = False
game_over = True
# IF keystroke is pressed check whether its right or left
if event.type == pygame.KEYDOWN: # KEYDOW is pressing that key or pressing any button on the keyboard
if event.key == pygame.K_RETURN:
self.restart()
game_over = False
if self.snake.direction == 'down':
if event.key == pygame.K_LEFT:
self.snake.move_left()
if event.key == pygame.K_RIGHT:
self.snake.move_right()
if self.snake.direction == 'left':
if event.key == pygame.K_UP:
self.snake.move_up()
if event.key == pygame.K_DOWN:
# self.cell.move_down()
# self.snake[0].move_down()
self.snake.move_down()
if self.snake.direction == 'right':
if event.key == pygame.K_UP:
self.snake.move_up()
if event.key == pygame.K_DOWN:
# self.cell.move_down()
# self.snake[0].move_down()
self.snake.move_down()
if self.snake.direction == 'up':
if event.key == pygame.K_LEFT:
self.snake.move_left()
if event.key == pygame.K_RIGHT:
self.snake.move_right()
if not game_over:
# EAT
eat = self.snake.eat(self.food.getPosX(), self.food.getPosY())
if eat:
# Move the apple each time the snake eat it
self.food.setPosX(random.randint(20, self.width - 18))
self.food.setPosY(random.randint(20, self.height - 16))
# create a new cell and add it to the snake
cell = Cell(390, 390)
self.snake.appendCell(cell)
# Add score
self.addScore(1)
# Show Snake, food and score
self.snake.walk(screen)
self.food.draw(screen)
self.showScore(screen)
# validate when snake eats himself
# Get head position
head = [
self.snake.getHeadPossition()[0],
self.snake.getHeadPossition()[1]
]
body = self.snake.getBody()
for i in range(3, len(body)):
if self.isCollition(head[0], body[i].getPosX(), head[1],
body[i].getPosY()):
game_over = True
# Validate borders
if head[0] >= self.width - 20 or head[
1] >= self.height - 18 or head[0] <= -1.5 or head[
1] <= 0.9:
game_over = True
time.sleep(0.07)
pygame.display.update()
else:
self.gameOver(screen)
return game_over
class Game:
"""The main class that makes up the game"""
def __init__(self):
"""Constructor"""
self.speed = START_SPEED
# will increase game speed every 10 times we eat
self.eaten = 0
# defining the outer wall blocks
self.wallblock = pygame.Surface((
BLOCK_SIZE,
BLOCK_SIZE,
))
self.wallblock.set_alpha(255)
self.wallblock.fill(BLUE)
self.wallblockdark = pygame.Surface((
BLOCK_SIZE_INNER,
BLOCK_SIZE_INNER,
))
self.wallblockdark.set_alpha(255)
self.wallblockdark.fill(BLUE_DARK)
# initialize pygame, clock for game speed and screen to draw
pygame.init()
# initializing mixer, sounds, clock and screen
pygame.mixer.init()
self.eatsound = pygame.mixer.Sound("snakeeat.wav")
self.crashsound = pygame.mixer.Sound("snakecrash.wav")
self.clock = pygame.time.Clock()
self.screen = pygame.display.set_mode((
(WIDTH + 2) * BLOCK_SIZE,
(HEIGHT + 2) * BLOCK_SIZE,
))
pygame.display.set_caption("snake")
font = pygame.font.SysFont(pygame.font.get_default_font(), 40)
self.gameovertext = font.render("GAME OVER", 1, WHITE)
self.starttext = font.render("PRESS ANY KEY TO START", 1, WHITE)
self.screen.fill(BLACK)
# we need a snake and something to eat
self.snake = Snake(self.screen, WIDTH // 2, HEIGHT // 2)
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
# food should not appear where the snake is
while self.food.get_pos() in self.snake.pos_list:
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
# only queue quit and and keydown events
# pygame.event.set_allowed([pygame.QUIT, pygame.KEYDOWN])
pygame.event.set_blocked([
pygame.MOUSEMOTION,
pygame.MOUSEBUTTONUP,
pygame.MOUSEBUTTONDOWN,
])
def draw_walls(self):
"""Draw all walls of the game surface"""
# left and right walls
for y in range(HEIGHT + 1): # pylint: disable=invalid-name
self.screen.blit(self.wallblock, (
0,
y * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
5,
y * BLOCK_SIZE + 5,
))
self.screen.blit(self.wallblock, (
(WIDTH + 1) * BLOCK_SIZE,
y * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
(WIDTH + 1) * BLOCK_SIZE + 5,
y * BLOCK_SIZE + 5,
))
# upper and bottom walls
for x in range(WIDTH + 2): # pylint: disable=invalid-name
self.screen.blit(self.wallblock, (
x * BLOCK_SIZE,
0,
))
self.screen.blit(self.wallblockdark, (
x * BLOCK_SIZE + 5,
5,
))
self.screen.blit(self.wallblock, (
x * BLOCK_SIZE,
(HEIGHT + 1) * BLOCK_SIZE,
))
self.screen.blit(self.wallblockdark, (
x * BLOCK_SIZE + 5,
(HEIGHT + 1) * BLOCK_SIZE + 5,
))
def loop(self):
"""The game's main loop"""
while True:
# check crash or move outside the limits
if self.snake.outside_limits(WIDTH, HEIGHT) or self.snake.crashed:
self.crashsound.play()
return
# draw screen with snake and foods
self.food.draw()
self.snake.draw()
self.draw_walls()
pygame.display.flip()
# check if snake eates
if self.food.get_pos() == self.snake.get_head_pos():
self.eatsound.play()
self.snake.grow()
# food should not appear where the snake is
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
while self.food.get_pos() in self.snake.pos_list:
self.food = Food(self.screen, 1, HEIGHT + 1, 1, WIDTH + 1)
self.eaten += 1
# increase game speed
if self.eaten % SPEED_INC == 0:
self.speed += SPEED_TICK
# game speed control
self.clock.tick(self.speed)
# get the next event on queue
event = pygame.event.poll()
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
actmotdir = self.snake.motion_dir
if event.key == pygame.K_ESCAPE:
sys.exit()
elif event.key == pygame.K_UP and actmotdir != DOWN:
self.snake.motion_dir = UP
elif event.key == pygame.K_DOWN and actmotdir != UP:
self.snake.motion_dir = DOWN
elif event.key == pygame.K_RIGHT and actmotdir != LEFT:
self.snake.motion_dir = RIGHT
elif event.key == pygame.K_LEFT and actmotdir != RIGHT:
self.snake.motion_dir = LEFT
# remove the snake and make movement
self.snake.remove()
self.snake.move()
def game_over(self):
"""When crashed print "game over" and wait for Esc key"""
self.clock.tick(LONG)
self.snake.draw()
self.draw_walls()
for pos in self.snake.pos_list[1:]:
self.screen.blit(self.snake.backblock, (
pos[1] * BLOCK_SIZE,
pos[0] * BLOCK_SIZE,
))
pygame.display.flip()
self.clock.tick(SHORT)
while True:
self.screen.blit(self.gameovertext, (
(WIDTH - 4) * BLOCK_SIZE / 2,
HEIGHT * BLOCK_SIZE / 2,
))
pygame.display.flip()
event = pygame.event.wait()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
sys.exit()
def start(self):
"""The game starts here"""
# press any key to start!!!
self.draw_walls()
self.screen.blit(self.starttext, (
(WIDTH - 10) * BLOCK_SIZE / 2,
HEIGHT * BLOCK_SIZE / 2,
))
pygame.display.flip()
waiting = True
while waiting:
event = pygame.event.wait()
if event.type == pygame.KEYDOWN:
waiting = False
self.screen.fill(BLACK)
# main loop
self.loop()
self.game_over()
food = Food(surface=screen,
screen_width=screen_width,
screen_height=screen_height,
bg_rect_height=background.rect_height)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
keys = pygame.key.get_pressed()
snake.get_direction(keys=keys)
snake.move()
if snake.head_x_position == food.food_x_position and snake.head_y_position == food.food_y_position:
snake.tail.append((snake.head_x_position, snake.head_y_position,
snake.head_size, snake.head_size))
food.new_position()
# fill the screen and draw all elements
screen.fill(white)
background.draw()
snake.draw()
food.draw()
snake.update_positions()
pygame.display.update()
clock.tick(15)
def game():
def countdown():
countdown_font = pygame.font.Font('atari.ttf', 42)
SECOND_ELAPSED = pygame.USEREVENT
time = 3
beep_sound.play()
pygame.time.set_timer(SECOND_ELAPSED, 1000)
while time > 0:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == SECOND_ELAPSED:
time -= 1
if time != 0:
beep_sound.play()
if time == 0:
break
screen.fill(LIGHT_BLUE)
draw_board()
food.draw(screen)
snake.draw(screen)
info_bar.display_score(screen)
countdown_text = countdown_font.render(str(time), True, BLACK)
screen.blit(countdown_text,
(BOARD_WIDTH // 2 - countdown_text.get_width() // 2,
BOARD_HEIGHT // 2 - countdown_text.get_height() // 2))
pygame.display.update()
pygame.time.set_timer(SECOND_ELAPSED, 0)
snake = Snake()
food = Food(ROWS, COLS, snake, CELL_WIDTH, 40)
high_scores_file_name = 'high_scores.txt'
info_bar = InfoBar(screen, high_scores_file_name)
hit_sound = pygame.mixer.Sound('vgdeathsound.ogg')
beep_sound = pygame.mixer.Sound('beep.ogg')
countdown()
pygame.mixer.music.load('Arizona-Sunset.mp3')
pygame.mixer.music.play(-1)
done = False
while not done:
changed_direction = False
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif not changed_direction and event.type == pygame.KEYUP:
if event.key == pygame.K_UP:
changed_direction = True
snake.up()
elif event.key == pygame.K_DOWN:
changed_direction = True
snake.down()
elif event.key == pygame.K_LEFT:
changed_direction = True
snake.left()
elif event.key == pygame.K_RIGHT:
changed_direction = True
snake.right()
snake.update()
if snake.has_collided_with_wall(
40, BOARD_HEIGHT, 0,
BOARD_WIDTH) or snake.has_collided_with_tail():
screen.fill(LIGHT_BLUE)
draw_board()
food.draw(screen)
snake.draw(screen)
info_bar.display_score(screen)
pygame.display.update()
hit_sound.play()
info_bar.update_high_scores_if_needed()
pygame.mixer.music.stop()
done, menu = game_over()
if menu:
return
if not done:
snake.reset()
food = Food(ROWS, COLS, snake, CELL_WIDTH, 40) #or just reset
info_bar.reset()
hit_sound.stop()
countdown()
pygame.mixer.music.load('Arizona-Sunset.mp3')
pygame.mixer.music.play(-1)
food.is_eaten(info_bar)
screen.fill(LIGHT_BLUE)
draw_board()
food.draw(screen)
snake.draw(screen)
info_bar.display_score(screen)
if not done:
pygame.display.update()
clock.tick(FPS)
return done
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT]:
snake.moveleft()
elif keys[pygame.K_RIGHT]:
snake.moveright()
elif keys[pygame.K_DOWN]:
snake.movedown()
elif keys[pygame.K_UP]:
snake.moveup()
GAME_TABLE = render.Rendering(SCREEN, DARK_GREEN, LIGHT_GREEN, WHITE)
if current < max:
current += 1
food = Food(SCREEN)
foodgroup.add(food)
food.draw(SCREEN, snake.get_pos())
foodgroup.update()
for c in foodgroup:
c.redraw(SCREEN)
if pygame.sprite.collide_rect(snake, c):
current -= 1
snake.set_points(c.get_points())
c.kill()
snake.draw()
tail.draw()
render.Rendering.show_points(GAME_TABLE, points=snake.get_points())
pygame.display.update()
pygame.quit()
