feat: move circle

src/main.cpp

@@ -1,6 +1,7 @@
 #include <SDL3/SDL.h>
 #include <SDL3/SDL_events.h>
 #include <SDL3/SDL_render.h>
+#include <SDL3/SDL_timer.h>
 #include <cstdio>
 #include <cstdlib>
 
@@ -66,10 +67,19 @@ int main() {
     SDL_Event e;
 
     bool exit = false;
+    struct {
+        int x;
+        int y;
+    } circle_pos;
+    circle_pos = {10, 10};
     while (!exit) {
         exit = event_handling(e);
-        draw_circle(renderer, 150, 150, 100);
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+        SDL_RenderClear(renderer);
+        draw_circle(renderer, circle_pos.x, circle_pos.y, 10);
+        circle_pos.x++;
         SDL_RenderPresent(renderer);
+        SDL_Delay(16);
     }
 
     SDL_Quit();