Pygame in the browser with pygbag and github

Hi, I’m very excited that we can play games made just with pygame in the broswer, so I am experimenting with pygbag lately. Install it just with pip install pygbag and with little adjustment to the code (you will just need to import asyncio and add 2-3 lines to the code) you can have the excitement of pygame code running smootly into the browser thanks to wasm. You will be able to share your games with everyone gaining in popularity as all they got to do is to connect to the link, without having to install anything. This is kinda magical, but it’s true.
So, in few words: we have seen how to play games made with pygame and python in the browser and share them with itch.io with people that do not need to install anything, cause everything will work in the browser without having to install python and pygame. We have seen how to do it uploading the files into itch.io, now we will see how to do it in github.io … let’s have fun, this is AWESOME!

1. remember to import asyncyo

2. Put async before the def main()

3. Put the await asyncio.sleep(0) under the clock tick and the asyncio.run(main()) to run the code

Once you saved the main.py file, go out of the folder containing the main.py file and write in the cmd (from that path) pygbag folder, where folder is the name of the folder where the main.py file is.

I have taken a little script to write in the window, it is not a game. You can try it here:

https://formazione.github.io/pygbag/pygame_input/index.html

My video tutorial explains everything

how to play games in the browser with pygame without installing anything for all

The code for the script

# import sys module
import pygame
import sys
import asyncio
  
  
pygame.init()
clock = pygame.time.Clock()
screen = pygame.display.set_mode([600, 500])
base_font = pygame.font.Font(None, 32)
input_rect = pygame.Rect(20, 20, 140, 32)
color_active = pygame.Color('darkblue')
color_passive = pygame.Color('chartreuse4')
color = color_passive
  

def get_keys(event, user_text):
    if event.type == pygame.KEYDOWN:
        print(event.key)
        # Check for backspace
        if event.key == pygame.K_BACKSPACE:
            # get text input from 0 to -1 i.e. end.
            user_text = user_text[:-2] + "|"
        elif event.key == pygame.K_RETURN:
            user_text = "" + "|"
        else:
            user_text = user_text[:-1]
            user_text += event.unicode + "|"
    return event, user_text

def entry(color, user_text):
    pygame.draw.rect(screen, color, input_rect)
    text_surface = base_font.render(user_text, True, (255, 255, 255))
    screen.blit(text_surface, (input_rect.x+5, input_rect.y+5))
    input_rect.w = max(100, text_surface.get_width()+10)


async def main():
    user_text = ''
    active = False
    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()  
            if event.type == pygame.MOUSEBUTTONDOWN:
                if input_rect.collidepoint(event.pos):
                    if active == False:
                        user_text = user_text + "|"
                    active = True
                else:
                    active = False
                    user_text = user_text[:-1]
            if active:
                event, user_text = get_keys(event, user_text)
        screen.fill((255, 255, 255))
        if active:
            color = color_active
        else:
            color = color_passive
        entry(color, user_text)
        pygame.display.flip()
        clock.tick(60)
        await asyncio.sleep(0)

asyncio.run(main())