I have 3 game libraries installed on my PC: pyglet, pygame and Panda3D.
I would like to create a 2D game and make it a web browser game so i can put it on facebook.
I know that Panda3D has a web-browser-plugin. Panda3D is for 3D games mainly.
Therefore, I'm asking, is it possible to play a pyglet or pygame game in a browser? If not, what Python library do you recommend?
Neither pyglet nor pygame will run in a browser. I wouldn't really recommend using Python at all if you target is a web browser. JavaScript (with HTML5 Canvas), Flash, or Java applets are is better suited for that environment.
If you're dedicated to the idea of using Python, there are a number of projects that can compile Python into JavaScript. There are some mentioned on the Python wiki. Here are a few:
You'll need to write your own graphics and audio systems, though, since none of those projects can convert the native code needed by pyglet and pygame into JavaScript.
Today, i'd recommand using pygbag https://pypi.org/project/pygbag/ from https://pygame-web.github.io. It uses the same principles from Panda3D webgl port ( not the old plugin) using Web Assembly for modern browsers.
-- edit 22 nov 2023 --
installation is simple : pip3 install pygbag
using it : python3 -m pygbag your_game_folder/main.py
with pygbag tool you can host/run/package directly your pygame-ce/panda3D desktop project in all modern browsers ( and Safari iOS>=15 )
it is already widely adopted for 2D game jams https://itch.io/c/2563651/pygame-wasm and you can also start 3D projects https://itch.io/c/3724091/panda3d-wasm
You can also use pygame-ce wasm in REPLit with pygbag to get a performance gain ( people using it said it makes a big difference ) for that see https://github.com/pygame-web/pygbag/issues/110
It requires a bit of reprogramming, but i made a pygame library "port" to the browser/nodewebkit using Brython and GameJS. You can program using a version of pygame and python 3 in the browser. You can check it out at https://github.com/asherwunk/pygjs
An option is to use repl.it. It allows creating Python/PyGame scripts and multiplayer coding. When creating a new repl, select the Pygame template:
Example: 
repl.it/@Rabbid76/PyGame-TransparentShapes
Another option to run pygame in a browser is to use pygbag. Install pygbag with pip install pygbag
pip install pygbag
Put the code in a file named main.py and adapt your pygame code like this:
import pygame
import asyncio
pygame.init()
# initializations: pygame.display.set_mode, ...
# [...]
def main():
run = True
while run:
# application loop: pygame.event.get(), pygame.display.flip(), ...
# [...]
await asyncio.sleep(0)
asyncio.run(main())
Build the project with the command:
pygbag .
Minimal example:
import pygame
import asyncio
pygame.init()
window = pygame.display.set_mode((300, 300))
clock = pygame.time.Clock()
rect = pygame.Rect(0, 0, 20, 20)
rect.center = window.get_rect().center
vel = 5
async def main():
run = True
while run:
clock.tick(60)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
if event.type == pygame.KEYDOWN:
print(pygame.key.name(event.key))
keys = pygame.key.get_pressed()
rect.x += (keys[pygame.K_RIGHT] - keys[pygame.K_LEFT]) * vel
rect.y += (keys[pygame.K_DOWN] - keys[pygame.K_UP]) * vel
rect.centerx = rect.centerx % window.get_width()
rect.centery = rect.centery % window.get_height()
window.fill(0)
pygame.draw.rect(window, "red", rect)
pygame.display.flip()
await asyncio.sleep(0)
pygame.quit()
exit()
asyncio.run(main())
I just found this website https://trinket.io/features/pygame that allows you to run pygame from this website! But it's extremely slow. It should work from your browser but it'll take forever to run it.
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