Code for How to Make a Pacman Game with Python Tutorial

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cell.py

import pygame class Cell(pygame.sprite.Sprite): def __init__(self, row, col, length, width): super().__init__() self.width = length self.height = width self.id = (row, col) self.abs_x = row * self.width self.abs_y = col * self.height self.rect = pygame.Rect(self.abs_x,self.abs_y,self.width,self.height) self.occupying_piece = None def update(self, screen): pygame.draw.rect(screen, pygame.Color("blue2"), self.rect)

berry.py

import pygame from settings import CHAR_SIZE, PLAYER_SPEED class Berry(pygame.sprite.Sprite): def __init__(self, row, col, size, is_power_up = False): super().__init__() self.power_up = is_power_up self.size = size self.color = pygame.Color("violetred") self.thickness = size self.abs_x = (row * CHAR_SIZE) + (CHAR_SIZE // 2) self.abs_y = (col * CHAR_SIZE) + (CHAR_SIZE // 2) # temporary rect for colliderect-checking self.rect = pygame.Rect(self.abs_x,self.abs_y, self.size * 2, self.size * 2) def update(self, screen): self.rect = pygame.draw.circle(screen, self.color, (self.abs_x, self.abs_y), self.size, self.thickness)

main.py

import pygame, sys from settings import WIDTH, HEIGHT, NAV_HEIGHT from world import World pygame.init() screen = pygame.display.set_mode((WIDTH, HEIGHT + NAV_HEIGHT)) pygame.display.set_caption("PacMan") class Main: def __init__(self, screen): self.screen = screen self.FPS = pygame.time.Clock() def main(self): world = World(self.screen) while True: self.screen.fill("black") for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() sys.exit() world.update() pygame.display.update() self.FPS.tick(30) if __name__ == "__main__": play = Main(screen) play.main()

settings.py

MAP = [ ['1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1'], ['1',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','1'], ['1','B','1','1',' ','1','1','1',' ','1',' ','1','1','1',' ','1','1','B','1'], ['1',' ',' ',' ',' ','1',' ',' ',' ','1',' ',' ',' ','1',' ',' ',' ',' ','1'], ['1','1',' ','1',' ','1',' ','1',' ','1',' ','1',' ','1',' ','1',' ','1','1'], ['1',' ',' ','1',' ',' ',' ','1',' ',' ',' ','1',' ',' ',' ','1',' ',' ','1'], ['1',' ','1','1','1','1',' ','1','1','1','1','1',' ','1','1','1','1',' ','1'], ['1',' ',' ',' ',' ',' ',' ',' ',' ','r',' ',' ',' ',' ',' ',' ',' ',' ','1'], ['1','1',' ','1','1','1',' ','1','1','-','1','1',' ','1','1','1',' ','1','1'], [' ',' ',' ',' ',' ','1',' ','1','s','p','o','1',' ','1',' ',' ',' ',' ',' '], ['1','1',' ','1',' ','1',' ','1','1','1','1','1',' ','1',' ','1',' ','1','1'], ['1',' ',' ','1',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','1',' ',' ','1'], ['1',' ','1','1','1','1',' ','1','1','1','1','1',' ','1','1','1','1',' ','1'], ['1',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','1'], ['1','1','1',' ','1','1','1',' ','1','1','1',' ','1','1','1',' ','1','1','1'], ['1',' ',' ',' ','1',' ',' ',' ',' ','P',' ',' ',' ',' ','1',' ',' ',' ','1'], ['1','B','1',' ','1',' ','1',' ','1','1','1',' ','1',' ','1',' ','1','B','1'], ['1',' ','1',' ',' ',' ','1',' ',' ',' ',' ',' ','1',' ',' ',' ','1',' ','1'], ['1',' ','1','1','1',' ','1','1','1',' ','1','1','1',' ','1','1','1',' ','1'], ['1',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','1'], ['1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1'] ] BOARD_RATIO = (len(MAP[0]), len(MAP)) CHAR_SIZE = 32 WIDTH, HEIGHT = (BOARD_RATIO[0] * CHAR_SIZE, BOARD_RATIO[1] * CHAR_SIZE) NAV_HEIGHT = 64 PLAYER_SPEED = CHAR_SIZE // 4 GHOST_SPEED = 4

animation.py

from os import walk import pygame def import_sprite(path): surface_list = [] for _, __, img_file in walk(path): for image in img_file: full_path = f"{path}/{image}" img_surface = pygame.image.load(full_path).convert_alpha() surface_list.append(img_surface) return surface_list

ghost.py

import pygame import random import time from settings import WIDTH, CHAR_SIZE, GHOST_SPEED class Ghost(pygame.sprite.Sprite): def __init__(self, row, col, color): super().__init__() self.abs_x = (row * CHAR_SIZE) self.abs_y = (col * CHAR_SIZE) self.rect = pygame.Rect(self.abs_x, self.abs_y, CHAR_SIZE, CHAR_SIZE) self.move_speed = GHOST_SPEED self.color = pygame.Color(color) self.move_directions = [(-1,0), (0,-1), (1,0), (0,1)] self.moving_dir = "up" self.img_path = f'assets/ghosts/{color}/' self.img_name = f'{self.moving_dir}.png' self.image = pygame.image.load(self.img_path + self.img_name) self.image = pygame.transform.scale(self.image, (CHAR_SIZE, CHAR_SIZE)) self.rect = self.image.get_rect(topleft = (self.abs_x, self.abs_y)) self.mask = pygame.mask.from_surface(self.image) self.directions = {'left': (-self.move_speed, 0), 'right': (self.move_speed, 0), 'up': (0, -self.move_speed), 'down': (0, self.move_speed)} self.keys = ['left', 'right', 'up', 'down'] self.direction = (0, 0) def move_to_start_pos(self): self.rect.x = self.abs_x self.rect.y = self.abs_y def is_collide(self, x, y, walls_collide_list): tmp_rect = self.rect.move(x, y) if tmp_rect.collidelist(walls_collide_list) == -1: return False return True def _animate(self): self.img_name = f'{self.moving_dir}.png' self.image = pygame.image.load(self.img_path + self.img_name) self.image = pygame.transform.scale(self.image, (CHAR_SIZE, CHAR_SIZE)) self.rect = self.image.get_rect(topleft=(self.rect.x, self.rect.y)) def update(self, walls_collide_list): # ghost movement available_moves = [] for key in self.keys: if not self.is_collide(*self.directions[key], walls_collide_list): available_moves.append(key) randomizing = False if len(available_moves) <= 2 and self.direction != (0,0) else True # 60% chance of randomizing ghost move if randomizing and random.randrange( 0,100 ) <= 60: self.moving_dir = random.choice(available_moves) self.direction = self.directions[self.moving_dir] if not self.is_collide(*self.direction, walls_collide_list): self.rect.move_ip(self.direction) else: self.direction = (0,0) # teleporting to the other side of the map if self.rect.right <= 0: self.rect.x = WIDTH elif self.rect.left >= WIDTH: self.rect.x = 0 self._animate()

display.py

import pygame from settings import WIDTH, HEIGHT, CHAR_SIZE pygame.font.init() class Display: def __init__(self, screen): self.screen = screen self.font = pygame.font.SysFont("ubuntumono", CHAR_SIZE) self.game_over_font = pygame.font.SysFont("dejavusansmono", 48) self.text_color = pygame.Color("crimson") def show_life(self, life): img_path = "assets/life/life.png" life_image = pygame.image.load(img_path) life_image = pygame.transform.scale(life_image, (CHAR_SIZE, CHAR_SIZE)) life_x = CHAR_SIZE // 2 if life != 0: for life in range(life): self.screen.blit(life_image, (life_x, HEIGHT + (CHAR_SIZE // 2))) life_x += CHAR_SIZE def show_level(self, level): level_x = WIDTH // 3 level = self.font.render(f'Level {level}', True, self.text_color) self.screen.blit(level, (level_x, (HEIGHT + (CHAR_SIZE // 2)))) def show_score(self, score): score_x = WIDTH // 3 score = self.font.render(f'{score}', True, self.text_color) self.screen.blit(score, (score_x * 2, (HEIGHT + (CHAR_SIZE // 2)))) # add game over message def game_over(self): message = self.game_over_font.render(f'GAME OVER!!', True, pygame.Color("chartreuse")) instruction = self.font.render(f'Press "R" to Restart', True, pygame.Color("aqua")) self.screen.blit(message, ((WIDTH // 4), (HEIGHT // 3))) self.screen.blit(instruction, ((WIDTH // 4), (HEIGHT // 2)))

world.py

import pygame import time from settings import HEIGHT, WIDTH, NAV_HEIGHT, CHAR_SIZE, MAP, PLAYER_SPEED from pac import Pac from cell import Cell from berry import Berry from ghost import Ghost from display import Display class World: def __init__(self, screen): self.screen = screen self.player = pygame.sprite.GroupSingle() self.ghosts = pygame.sprite.Group() self.walls = pygame.sprite.Group() self.berries = pygame.sprite.Group() self.display = Display(self.screen) self.game_over = False self.reset_pos = False self.player_score = 0 self.game_level = 1 self._generate_world() # create and add player to the screen def _generate_world(self): # renders obstacle from the MAP table for y_index, col in enumerate(MAP): for x_index, char in enumerate(col): if char == "1": # for walls self.walls.add(Cell(x_index, y_index, CHAR_SIZE, CHAR_SIZE)) elif char == " ": # for paths to be filled with berries self.berries.add(Berry(x_index, y_index, CHAR_SIZE // 4)) elif char == "B": # for big berries self.berries.add(Berry(x_index, y_index, CHAR_SIZE // 2, is_power_up=True)) # for Ghosts's starting position elif char == "s": self.ghosts.add(Ghost(x_index, y_index, "skyblue")) elif char == "p": self.ghosts.add(Ghost(x_index, y_index, "pink")) elif char == "o": self.ghosts.add(Ghost(x_index, y_index, "orange")) elif char == "r": self.ghosts.add(Ghost(x_index, y_index, "red")) elif char == "P": # for PacMan's starting position self.player.add(Pac(x_index, y_index)) self.walls_collide_list = [wall.rect for wall in self.walls.sprites()] def generate_new_level(self): for y_index, col in enumerate(MAP): for x_index, char in enumerate(col): if char == " ": # for paths to be filled with berries self.berries.add(Berry(x_index, y_index, CHAR_SIZE // 4)) elif char == "B": # for big berries self.berries.add(Berry(x_index, y_index, CHAR_SIZE // 2, is_power_up=True)) time.sleep(2) def restart_level(self): self.berries.empty() [ghost.move_to_start_pos() for ghost in self.ghosts.sprites()] self.game_level = 1 self.player.sprite.pac_score = 0 self.player.sprite.life = 3 self.player.sprite.move_to_start_pos() self.player.sprite.direction = (0, 0) self.player.sprite.status = "idle" self.generate_new_level() # displays nav def _dashboard(self): nav = pygame.Rect(0, HEIGHT, WIDTH, NAV_HEIGHT) pygame.draw.rect(self.screen, pygame.Color("cornsilk4"), nav) self.display.show_life(self.player.sprite.life) self.display.show_level(self.game_level) self.display.show_score(self.player.sprite.pac_score) def _check_game_state(self): # checks if game over if self.player.sprite.life == 0: self.game_over = True # generates new level if len(self.berries) == 0 and self.player.sprite.life > 0: self.game_level += 1 for ghost in self.ghosts.sprites(): ghost.move_speed += self.game_level ghost.move_to_start_pos() self.player.sprite.move_to_start_pos() self.player.sprite.direction = (0, 0) self.player.sprite.status = "idle" self.generate_new_level() def update(self): if not self.game_over: # player movement pressed_key = pygame.key.get_pressed() self.player.sprite.animate(pressed_key, self.walls_collide_list) # teleporting to the other side of the map if self.player.sprite.rect.right <= 0: self.player.sprite.rect.x = WIDTH elif self.player.sprite.rect.left >= WIDTH: self.player.sprite.rect.x = 0 # PacMan eating-berry effect for berry in self.berries.sprites(): if self.player.sprite.rect.colliderect(berry.rect): if berry.power_up: self.player.sprite.immune_time = 150 # Timer based from FPS count self.player.sprite.pac_score += 50 else: self.player.sprite.pac_score += 10 berry.kill() # PacMan bumping into ghosts for ghost in self.ghosts.sprites(): if self.player.sprite.rect.colliderect(ghost.rect): if not self.player.sprite.immune: time.sleep(2) self.player.sprite.life -= 1 self.reset_pos = True break else: ghost.move_to_start_pos() self.player.sprite.pac_score += 100 self._check_game_state() # rendering [wall.update(self.screen) for wall in self.walls.sprites()] [berry.update(self.screen) for berry in self.berries.sprites()] [ghost.update(self.walls_collide_list) for ghost in self.ghosts.sprites()] self.ghosts.draw(self.screen) self.player.update() self.player.draw(self.screen) self.display.game_over() if self.game_over else None self._dashboard() # reset Pac and Ghosts position after PacMan get captured if self.reset_pos and not self.game_over: [ghost.move_to_start_pos() for ghost in self.ghosts.sprites()] self.player.sprite.move_to_start_pos() self.player.sprite.status = "idle" self.player.sprite.direction = (0,0) self.reset_pos = False # for restart button if self.game_over: pressed_key = pygame.key.get_pressed() if pressed_key[pygame.K_r]: self.game_over = False self.restart_level()

pac.py

import pygame from settings import CHAR_SIZE, PLAYER_SPEED from animation import import_sprite class Pac(pygame.sprite.Sprite): def __init__(self, row, col): super().__init__() self.abs_x = (row * CHAR_SIZE) self.abs_y = (col * CHAR_SIZE) # pac animation self._import_character_assets() self.frame_index = 0 self.animation_speed = 0.5 self.image = self.animations["idle"][self.frame_index] self.rect = self.image.get_rect(topleft = (self.abs_x, self.abs_y)) self.mask = pygame.mask.from_surface(self.image) self.pac_speed = PLAYER_SPEED self.immune_time = 0 self.immune = False self.directions = {'left': (-PLAYER_SPEED, 0), 'right': (PLAYER_SPEED, 0), 'up': (0, -PLAYER_SPEED), 'down': (0, PLAYER_SPEED)} self.keys = {'left': pygame.K_LEFT, 'right': pygame.K_RIGHT, 'up': pygame.K_UP, 'down': pygame.K_DOWN} self.direction = (0, 0) # pac status self.status = "idle" self.life = 3 self.pac_score = 0 # gets all the image needed for animating specific player action def _import_character_assets(self): character_path = "assets/pac/" self.animations = { "up": [], "down": [], "left": [], "right": [], "idle": [], "power_up": [] } for animation in self.animations.keys(): full_path = character_path + animation self.animations[animation] = import_sprite(full_path) def _is_collide(self, x, y): tmp_rect = self.rect.move(x, y) if tmp_rect.collidelist(self.walls_collide_list) == -1: return False return True def move_to_start_pos(self): self.rect.x = self.abs_x self.rect.y = self.abs_y # update with sprite/sheets def animate(self, pressed_key, walls_collide_list): animation = self.animations[self.status] # loop over frame index self.frame_index += self.animation_speed if self.frame_index >= len(animation): self.frame_index = 0 image = animation[int(self.frame_index)] self.image = pygame.transform.scale(image, (CHAR_SIZE, CHAR_SIZE)) self.walls_collide_list = walls_collide_list for key, key_value in self.keys.items(): if pressed_key[key_value] and not self._is_collide(*self.directions[key]): self.direction = self.directions[key] self.status = key if not self.immune else "power_up" break if not self._is_collide(*self.direction): self.rect.move_ip(self.direction) self.status = self.status if not self.immune else "power_up" if self._is_collide(*self.direction): self.status = "idle" if not self.immune else "power_up" def update(self): # Timer based from FPS count self.immune = True if self.immune_time > 0 else False self.immune_time -= 1 if self.immune_time > 0 else 0 self.rect = self.image.get_rect(topleft=(self.rect.x, self.rect.y))