Hướng dẫn lập trình Python – Game Flappy bird

Hướng dẫn chi tiết từng bước để tạo trò chơi Flappy Bird bằng ngôn ngữ lập trình Python.

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Full code:

import pygame

from random  import randint

pygame.init()

screen=pygame.display.set_mode((400,600))

pygame.display.set_caption(‘Flappy Bird’)

WHITE=(255,255,255)

RED=(255,0,0)

BLUE=(0,0,255)

x_bird=50

y_bird=350

tube1_x=400

tube2_x=600

tube3_x=800

tube_width=50

tube1_height=randint(100,400)

tube2_height=randint(100,400)

tube3_height=randint(100,400)

d_2tube=150

bird_drop_velocity=0

gravity=0.5

tube_velocity=2

score=0

font=pygame.font.SysFont(‘san’,20)

font1=pygame.font.SysFont(‘san’,30)

background_img=pygame.image.load(‘images/background.png’)

background_img=pygame.transform.scale(background_img,(400,600))

bird_img=pygame.image.load(‘images/bird.png’)

bird_img=pygame.transform.scale(bird_img,(35,35))

tube_img=pygame.image.load(‘images/tube.png’)

tube_op_img=pygame.image.load(‘images/tube_op.png’)

sand_img=pygame.image.load(‘images/sand.png’)

sand_img=pygame.transform.scale(sand_img,(400,30))

sound=pygame.mixer.Sound(‘no6.wav’)

tube1_pass=False

tube2_pass=False

tube3_pass=False

clock=pygame.time.Clock()

pausing=False

running=True

while running:

            pygame.mixer.Sound.play(sound)

            clock.tick(60)

            screen.fill(WHITE)

            screen.blit(background_img,(0,0))

            #draw bird

            bird=screen.blit(bird_img,(x_bird,y_bird))

            #bird drop

            y_bird+=bird_drop_velocity

            bird_drop_velocity+=gravity

            #draw tube

            tube1_img=pygame.transform.scale(tube_img,(tube_width,tube1_height))

            tube1=screen.blit(tube1_img,(tube1_x,0))

            tube2_img=pygame.transform.scale(tube_img,(tube_width,tube2_height))

            tube2=screen.blit(tube2_img,(tube2_x,0))

            tube3_img=pygame.transform.scale(tube_img,(tube_width,tube3_height))

            tube3=screen.blit(tube3_img,(tube3_x,0))

            #draw opposite tube

            tube1_op_img=pygame.transform.scale(tube_op_img,(tube_width,600-tube1_height-d_2tube))

            tube1_op=screen.blit(tube1_op_img,(tube1_x,tube1_height+d_2tube))

            tube2_op_img=pygame.transform.scale(tube_op_img,(tube_width,600-tube2_height-d_2tube))

            tube2_op=screen.blit(tube2_op_img,(tube2_x,tube2_height+d_2tube))

            tube3_op_img=pygame.transform.scale(tube_op_img,(tube_width,600-tube3_height-d_2tube))

            tube3_op=screen.blit(tube3_op_img,(tube3_x,tube3_height+d_2tube))

            #draw sand

            sand=screen.blit(sand_img,(0,570))

            #the tube moves to the left

            tube1_x-=tube_velocity

            tube2_x-=tube_velocity

            tube3_x-=tube_velocity

            if tube1_x<-tube_width:

                        tube1_x=550

                        tube1_height=randint(100,400)

                        tube1_pass=False

            if tube2_x<-tube_width:

                        tube2_x=550

                        tube2_height=randint(100,400)

                        tube2_pass=False

            if tube3_x<-tube_width:

                        tube3_x=550

                        tube3_height=randint(100,400)

                        tube3_pass=False

            #score

            score_txt=font.render(‘Score: ‘+str(score),True,RED)

            screen.blit(score_txt,(5,5))

            if tube1_x+tube_width<=x_bird and tube1_pass==False:

                        score+=1

                        tube1_pass=True

            if tube2_x+tube_width<=x_bird and tube2_pass==False:

                        score+=1

                        tube2_pass=True

            if tube3_x+tube_width<=x_bird and tube3_pass==False:

                        score+=1

                        tube3_pass=True     

            #Check for collision

            tubes=[tube1,tube2,tube3,tube1_op,tube2_op,tube3_op,sand]

            for tube in tubes:

                        if bird.colliderect(tube):

                                    pygame.mixer.pause()

                                    tube_velocity=0

                                    bird_drop_velocity=0

                                    game_over_txt=font1.render(“GAME OVER, SCORE: “+str(score),True,RED)

                                    screen.blit(game_over_txt,(85,260))

                                    space_txt=font.render(‘Press SPACE to continue!’,True,BLUE)

                                    screen.blit(space_txt,(120,290))

                                    pausing=True

            for event in pygame.event.get():

                        if event.type==pygame.QUIT:

                                    running=False

                        if event.type==pygame.KEYDOWN:

                                    if event.key==pygame.K_SPACE:

                                                bird_drop_velocity=0

                                                bird_drop_velocity-=7

                                                if pausing:

                                                            pygame.mixer.unpause()

                                                            x_bird=50

                                                            y_bird=350

                                                            tube1_x=400

                                                            tube2_x=600

                                                            tube3_x=800

                                                            tube_velocity=2

                                                            score=0

                                                            pausing=False

            pygame.display.flip()

pygame.quit()