1. Installation 1. Установка

Ensure you have Python installed. Install PySDL3 and PyOpenGL using pip:

Убедитесь, что у вас установлен Python. Установите PySDL3 и PyOpenGL через pip:

pip install PySDL3 PyOpenGL

2. Assets 2. Ресурсы

3. Project Structure 3. Структура проекта

pysdl3-mixer-opengl-app/
├── assets/audio/
│   └── Picked Coin Echo 2.wav
└── main.py

4. Source Code (OpenGL + Audio) 4. Исходный код (OpenGL + Аудио)

Combine video and audio initialization within the SDL_AppInit callback:

Объедините инициализацию видео и аудио в обратном вызове SDL_AppInit:

import os
import ctypes
import OpenGL.GL as gl

os.environ["SDL_MAIN_USE_CALLBACKS"] = "1"
os.environ["SDL_RENDER_DRIVER"] = "opengl"
import sdl3

# Global pointers for state
window = None
gl_context = None
mixer = None
audio = None
track = None

@sdl3.SDL_AppInit_func
def SDL_AppInit(appstate, argc, argv):
    global window, gl_context, mixer, audio, track

    # Initialize Video AND Audio
    if not sdl3.SDL_Init(sdl3.SDL_INIT_VIDEO | sdl3.SDL_INIT_AUDIO):
        return sdl3.SDL_APP_FAILURE

    # OpenGL Setup
    sdl3.SDL_GL_SetAttribute(sdl3.SDL_GL_MULTISAMPLEBUFFERS, 1)
    sdl3.SDL_GL_SetAttribute(sdl3.SDL_GL_MULTISAMPLESAMPLES, 2)
    
    window = sdl3.SDL_CreateWindow(b"PySDL3 OpenGL + Audio", 350, 350, sdl3.SDL_WINDOW_OPENGL)
    gl_context = sdl3.SDL_GL_CreateContext(window)
    sdl3.SDL_GL_SetSwapInterval(1)

    # Audio Setup (SDL3_mixer)
    if not sdl3.MIX_Init():
        return sdl3.SDL_APP_FAILURE

    mixer = sdl3.MIX_CreateMixerDevice(sdl3.SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, None)
    if not mixer:
        return sdl3.SDL_APP_FAILURE

    audio = sdl3.MIX_LoadAudio(mixer, b"assets/audio/Picked Coin Echo 2.wav", True)
    if not audio:
        return sdl3.SDL_APP_FAILURE

    track = sdl3.MIX_CreateTrack(mixer)
    sdl3.MIX_SetTrackAudio(track, audio)
    sdl3.MIX_PlayTrack(track, 0)

    return sdl3.SDL_APP_CONTINUE

@sdl3.SDL_AppEvent_func
def SDL_AppEvent(appstate, event):
    if sdl3.SDL_DEREFERENCE(event).type == sdl3.SDL_EVENT_QUIT:
        return sdl3.SDL_APP_SUCCESS
    return sdl3.SDL_APP_CONTINUE

@sdl3.SDL_AppIterate_func
def SDL_AppIterate(appstate):
    gl.glClearColor(0.2, 0.2, 0.2, 1)
    gl.glClear(gl.GL_COLOR_BUFFER_BIT)
    sdl3.SDL_GL_SwapWindow(window)
    return sdl3.SDL_APP_CONTINUE

@sdl3.SDL_AppQuit_func
def SDL_AppQuit(appstate, result):
    global gl_context, track, audio, mixer
    
    if track: sdl3.MIX_DestroyTrack(track)
    if audio: sdl3.MIX_DestroyAudio(audio)
    if mixer: sdl3.MIX_DestroyMixer(mixer)
    sdl3.MIX_Quit()
    
    if gl_context: sdl3.SDL_GL_DestroyContext(gl_context)
    if window: sdl3.SDL_DestroyWindow(window)
    sdl3.SDL_Quit()

5. Running the Application 5. Запуск приложения

Run the script via your terminal:

Запустите скрипт через терминал:

python main.py