diff -r 2ca88ec29953 -r 2b7f92ff2c15 test/snake/snake.c
--- a/test/snake/snake.c	Sat May 03 13:30:04 2025 +0200
+++ b/test/snake/snake.c	Sat May 03 13:49:24 2025 +0200
@@ -42,7 +42,7 @@
 #define BACKDROP_SCENE asc_window_scene(0)
 #define MAIN_SCENE asc_window_scene(1)
 
-static void destroy_textures(void *dummy) {
+static void destroy_textures(__attribute__((__unused__)) void *dummy) {
     asc_texture_destroy(tex2d, TEX2D_COUNT);
 }
 
@@ -70,12 +70,13 @@
     // tie to bottom right of the screen
     if (asc_test_flag(node->flags, ASC_SCENE_NODE_GRAPHICS_UPDATED)
         || asc_active_window->resized) {
-        asc_vec2i bottom_right = asc_active_window->dimensions;
-        asc_vec2i scale = asc_get_scale2d(node);
+        asc_vec2u bottom_right = asc_active_window->dimensions;
+        // TODO: replace scale with asc_text_get_size()
+        asc_vec3f text_size = node->scale;
         asc_set_position2d(
                 node,
-                bottom_right.x - scale.width - 10,
-                bottom_right.y - scale.height - 10
+                (int)bottom_right.x - (int)text_size.width - 10,
+                (int)bottom_right.y - (int)text_size.height - 10
         );
     }
 }
@@ -83,8 +84,9 @@
 static void scale_backdrop(AscSceneNode *node) {
     // scale the backdrop to the size of the window
     if (asc_active_window->resized) {
-        asc_vec2i window_size = asc_active_window->dimensions;
-        asc_set_scale2d(node, window_size.width, window_size.height);
+        asc_vec2u window_size = asc_active_window->dimensions;
+        // TODO: replace scale with asc_sprite_set_size()
+        asc_set_scale(node, (float)window_size.width, (float)window_size.height, 1);
         // TODO: implement texture repetition
     }
 }
@@ -126,9 +128,9 @@
     // TODO: return something
 }
 
-static asc_recti update_viewport_for_window_resize(asc_vec2i window_size) {
+static asc_recti update_viewport_for_window_resize(asc_vec2u window_size) {
     // Compute scaling and offsets
-    int viewport_size, offset_x = 0, offset_y = 0;
+    unsigned viewport_size, offset_x = 0, offset_y = 0;
     if (window_size.width > window_size.height) {
         // Wider window: letterbox (black bars on top/bottom)
         offset_x = (window_size.width - window_size.height) / 2;
@@ -140,15 +142,10 @@
     }
 
     // Set the viewport to the scaled and centered region
-    return (asc_recti){
-        offset_x,
-        offset_y,
-        viewport_size,
-        viewport_size
-    };
+    return asc_recti_new(offset_x, offset_y, viewport_size, viewport_size);
 }
 
-int main(int argc, char** argv) {
+int main(void) {
     asc_context_initialize();
     if (asc_has_error()) {
         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
@@ -178,7 +175,7 @@
     });
     asc_scene_init(MAIN_SCENE, (AscCameraParams) {
         .type = ASC_CAMERA_ORTHO,
-        .ortho.rect = (asc_recti){0, 0, game_field_size, game_field_size},
+        .ortho.rect = asc_recti_new(0, 0, game_field_size, game_field_size),
         .viewport_update_func = update_viewport_for_window_resize
     });