diff -r 24b0f47f619c -r 4df350dac84f demo/snake/snake.c
--- a/demo/snake/snake.c	Sun Jan 25 13:18:26 2026 +0100
+++ b/demo/snake/snake.c	Sun Jan 25 13:49:49 2026 +0100
@@ -137,7 +137,7 @@
     // scale the backdrop to the size of the window
     if (!asc_active_window->resized) return;
     asc_ptr_cast(AscSprite, sprite, behavior->node);
-    asc_vec2u window_size = asc_active_window->dimensions;
+    asc_vec2u window_size = asc_active_window->rect.size;
     asc_sprite_set_size(sprite, window_size);
 }
 
@@ -178,7 +178,7 @@
     AscSceneNode *node = behavior->node;
     if (asc_test_flag(node->flags, ASC_SCENE_NODE_GRAPHICS_UPDATED) || asc_active_window->resized) {
         asc_scene_node_set_position2f(node, ASC_VEC2F(10,
-                asc_active_window->dimensions.y - ((AscText*)node)->dimension.height - 10
+                asc_active_window->rect.size.height - ((AscText*)node)->dimension.height - 10
         ));
     }
 }
@@ -618,7 +618,7 @@
         if (asc_has_error()) {
             SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                     "Fatal Error", asc_get_error(),
-                    asc_active_window->window);
+                    asc_active_window->sdl);
             asc_clear_error();
             asc_context_quit();
         }