feat: use sdl3

src/main.cpp

@@ -1,26 +1,17 @@
-#include <SDL2/SDL.h>
-#include <iostream>
+#include <SDL3/SDL.h>
+#include <cstdio>
+#include <cstdlib>
 
 int main() {
-    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
-        std::cout << "SDL could not initialize! SDL_Error: " << SDL_GetError() << std::endl;
-        return -1;
+    if (!SDL_Init(SDL_INIT_VIDEO)){ 
+        std::printf("SDL_INIT() failed");
+        return EXIT_FAILURE;
     }
 
-    SDL_Window* window = SDL_CreateWindow("SDL Window", 
-                                          SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 
-                                          640, 480, SDL_WINDOW_SHOWN);
-
-    if (window == NULL) {
-        std::cout << "Window could not be created! SDL_Error: " << SDL_GetError() << std::endl;
-        SDL_Quit();
-        return -1;
-    }
+    SDL_Window *window;
+    window = SDL_CreateWindow("Physics Sim", 720, 540, SDL_WINDOW_RESIZABLE);
 
     SDL_Delay(5000);
-    SDL_DestroyWindow(window);
     SDL_Quit();
-
     return 0;
 }
-