Added an example.

Author: Aermoss

example.py

@@ -0,0 +1,52 @@
+import sdl3, ctypes, os, \
+    sys, colorsys, time
+
+def main(argv):
+    print(f"loaded {len(sdl3.functions)} functions.")
+    result = sdl3.SDL_Init(sdl3.SDL_INIT_VIDEO | sdl3.SDL_INIT_EVENTS | sdl3.SDL_INIT_TIMER)
+
+    if result:
+        print(f"failed to initialize library: {sdl3.SDL_GetError().decode().lower()}.")
+        return 1
+    
+    window = sdl3.SDL_CreateWindow("Aermoss".encode(), 1200, 600, sdl3.SDL_WINDOW_RESIZABLE)
+
+    drivers = [sdl3.SDL_GetRenderDriver(i).decode() for i in range(sdl3.SDL_GetNumRenderDrivers())]
+    print(f"available render drivers: {", ".join(drivers)}")
+
+    renderer = sdl3.SDL_CreateRenderer(window, ("vulkan" if "vulkan" in drivers else "software").encode())
+
+    if not renderer:
+        print(f"failed to create renderer: {sdl3.SDL_GetError().decode().lower()}.")
+        return 1
+    
+    running, hue, last = True, 0.0, 0.0
+
+    while running:
+        event = sdl3.SDL_Event()
+
+        while sdl3.SDL_PollEvent(ctypes.byref(event)):
+            match event.type:
+                case sdl3.SDL_EVENT_QUIT:
+                    running = False
+
+                case sdl3.SDL_EVENT_KEY_DOWN:
+                    if event.key.key == sdl3.SDLK_ESCAPE:
+                        running = False
+
+        last, delta = \
+            time.time(), time.time() - last
+
+        hue += 0.5 * delta
+
+        sdl3.SDL_SetRenderDrawColorFloat(renderer, *colorsys.hsv_to_rgb(hue, 1.0, 1.0), 255.0)
+        sdl3.SDL_RenderClear(renderer)
+        sdl3.SDL_RenderPresent(renderer)
+
+    sdl3.SDL_DestroyRenderer(renderer)
+    sdl3.SDL_DestroyWindow(window)
+    sdl3.SDL_Quit()
+    return 0
+
+if __name__ == "__main__":
+    os._exit(main(sys.argv))