Welcome folks today in this blog post we will be building a chrome dinosaur game in python using pygame library. All the full source code of the application is given below.
Get Started
In order to get started you need to install the following libraries using the pip command as shown below
pip install pygame
After installing this library you need to make an main.py file and copy paste the following code
main.py
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import pygame import os import random pygame.init() # Global Constants SCREEN_HEIGHT = 600 SCREEN_WIDTH = 1100 SCREEN = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT)) RUNNING = [pygame.image.load(os.path.join("Assets/Dino", "DinoRun1.png")), pygame.image.load(os.path.join("Assets/Dino", "DinoRun2.png"))] JUMPING = pygame.image.load(os.path.join("Assets/Dino", "DinoJump.png")) DUCKING = [pygame.image.load(os.path.join("Assets/Dino", "DinoDuck1.png")), pygame.image.load(os.path.join("Assets/Dino", "DinoDuck2.png"))] SMALL_CACTUS = [pygame.image.load(os.path.join("Assets/Cactus", "SmallCactus1.png")), pygame.image.load(os.path.join("Assets/Cactus", "SmallCactus2.png")), pygame.image.load(os.path.join("Assets/Cactus", "SmallCactus3.png"))] LARGE_CACTUS = [pygame.image.load(os.path.join("Assets/Cactus", "LargeCactus1.png")), pygame.image.load(os.path.join("Assets/Cactus", "LargeCactus2.png")), pygame.image.load(os.path.join("Assets/Cactus", "LargeCactus3.png"))] BIRD = [pygame.image.load(os.path.join("Assets/Bird", "Bird1.png")), pygame.image.load(os.path.join("Assets/Bird", "Bird2.png"))] CLOUD = pygame.image.load(os.path.join("Assets/Other", "Cloud.png")) BG = pygame.image.load(os.path.join("Assets/Other", "Track.png")) class Dinosaur: X_POS = 80 Y_POS = 310 Y_POS_DUCK = 340 JUMP_VEL = 8.5 def __init__(self): self.duck_img = DUCKING self.run_img = RUNNING self.jump_img = JUMPING self.dino_duck = False self.dino_run = True self.dino_jump = False self.step_index = 0 self.jump_vel = self.JUMP_VEL self.image = self.run_img[0] self.dino_rect = self.image.get_rect() self.dino_rect.x = self.X_POS self.dino_rect.y = self.Y_POS def update(self, userInput): if self.dino_duck: self.duck() if self.dino_run: self.run() if self.dino_jump: self.jump() if self.step_index >= 10: self.step_index = 0 if userInput[pygame.K_UP] and not self.dino_jump: self.dino_duck = False self.dino_run = False self.dino_jump = True elif userInput[pygame.K_DOWN] and not self.dino_jump: self.dino_duck = True self.dino_run = False self.dino_jump = False elif not (self.dino_jump or userInput[pygame.K_DOWN]): self.dino_duck = False self.dino_run = True self.dino_jump = False def duck(self): self.image = self.duck_img[self.step_index // 5] self.dino_rect = self.image.get_rect() self.dino_rect.x = self.X_POS self.dino_rect.y = self.Y_POS_DUCK self.step_index += 1 def run(self): self.image = self.run_img[self.step_index // 5] self.dino_rect = self.image.get_rect() self.dino_rect.x = self.X_POS self.dino_rect.y = self.Y_POS self.step_index += 1 def jump(self): self.image = self.jump_img if self.dino_jump: self.dino_rect.y -= self.jump_vel * 4 self.jump_vel -= 0.8 if self.jump_vel < - self.JUMP_VEL: self.dino_jump = False self.jump_vel = self.JUMP_VEL def draw(self, SCREEN): SCREEN.blit(self.image, (self.dino_rect.x, self.dino_rect.y)) class Cloud: def __init__(self): self.x = SCREEN_WIDTH + random.randint(800, 1000) self.y = random.randint(50, 100) self.image = CLOUD self.width = self.image.get_width() def update(self): self.x -= game_speed if self.x < -self.width: self.x = SCREEN_WIDTH + random.randint(2500, 3000) self.y = random.randint(50, 100) def draw(self, SCREEN): SCREEN.blit(self.image, (self.x, self.y)) class Obstacle: def __init__(self, image, type): self.image = image self.type = type self.rect = self.image[self.type].get_rect() self.rect.x = SCREEN_WIDTH def update(self): self.rect.x -= game_speed if self.rect.x < -self.rect.width: obstacles.pop() def draw(self, SCREEN): SCREEN.blit(self.image[self.type], self.rect) class SmallCactus(Obstacle): def __init__(self, image): self.type = random.randint(0, 2) super().__init__(image, self.type) self.rect.y = 325 class LargeCactus(Obstacle): def __init__(self, image): self.type = random.randint(0, 2) super().__init__(image, self.type) self.rect.y = 300 class Bird(Obstacle): def __init__(self, image): self.type = 0 super().__init__(image, self.type) self.rect.y = 250 self.index = 0 def draw(self, SCREEN): if self.index >= 9: self.index = 0 SCREEN.blit(self.image[self.index//5], self.rect) self.index += 1 def main(): global game_speed, x_pos_bg, y_pos_bg, points, obstacles run = True clock = pygame.time.Clock() player = Dinosaur() cloud = Cloud() game_speed = 20 x_pos_bg = 0 y_pos_bg = 380 points = 0 font = pygame.font.Font('freesansbold.ttf', 20) obstacles = [] death_count = 0 def score(): global points, game_speed points += 1 if points % 100 == 0: game_speed += 1 text = font.render("Points: " + str(points), True, (0, 0, 0)) textRect = text.get_rect() textRect.center = (1000, 40) SCREEN.blit(text, textRect) def background(): global x_pos_bg, y_pos_bg image_width = BG.get_width() SCREEN.blit(BG, (x_pos_bg, y_pos_bg)) SCREEN.blit(BG, (image_width + x_pos_bg, y_pos_bg)) if x_pos_bg <= -image_width: SCREEN.blit(BG, (image_width + x_pos_bg, y_pos_bg)) x_pos_bg = 0 x_pos_bg -= game_speed while run: for event in pygame.event.get(): if event.type == pygame.QUIT: run = False SCREEN.fill((255, 255, 255)) userInput = pygame.key.get_pressed() player.draw(SCREEN) player.update(userInput) if len(obstacles) == 0: if random.randint(0, 2) == 0: obstacles.append(SmallCactus(SMALL_CACTUS)) elif random.randint(0, 2) == 1: obstacles.append(LargeCactus(LARGE_CACTUS)) elif random.randint(0, 2) == 2: obstacles.append(Bird(BIRD)) for obstacle in obstacles: obstacle.draw(SCREEN) obstacle.update() if player.dino_rect.colliderect(obstacle.rect): pygame.time.delay(2000) death_count += 1 menu(death_count) background() cloud.draw(SCREEN) cloud.update() score() clock.tick(30) pygame.display.update() def menu(death_count): global points run = True while run: SCREEN.fill((255, 255, 255)) font = pygame.font.Font('freesansbold.ttf', 30) if death_count == 0: text = font.render("Press any Key to Start", True, (0, 0, 0)) elif death_count > 0: text = font.render("Press any Key to Restart", True, (0, 0, 0)) score = font.render("Your Score: " + str(points), True, (0, 0, 0)) scoreRect = score.get_rect() scoreRect.center = (SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2 + 50) SCREEN.blit(score, scoreRect) textRect = text.get_rect() textRect.center = (SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2) SCREEN.blit(text, textRect) SCREEN.blit(RUNNING[0], (SCREEN_WIDTH // 2 - 20, SCREEN_HEIGHT // 2 - 140)) pygame.display.update() for event in pygame.event.get(): if event.type == pygame.QUIT: run = False if event.type == pygame.KEYDOWN: main() menu(death_count=0) |
Now for downloading all the images of the game you can download the full source code of the game from the below github respository
Now if you run the main.py file by typing the below command
python main.py
