diff -r 8324037e0148 -r 86468a71dd73 src/scene.c
--- a/src/scene.c	Mon Feb 26 21:16:00 2024 +0100
+++ b/src/scene.c	Mon Mar 04 21:16:46 2024 +0100
@@ -52,12 +52,23 @@
 
 void asc_scene_add(AscScene *scene, AscSceneNode *node) {
     asc_scene_node_link(scene->root, node);
+    asc_node_update(node);
 }
 
 void asc_scene_draw(AscScene const *scene) {
-    // TODO: don't visit the tree, visit the render groups
     CxTreeIterator iter = cx_tree_iterator(scene->root, false, child_list_off_);
+
+    // skip the root node deliberately, we know it's just the container
+    cxIteratorNext(iter);
+
+    // draw the children
     cx_foreach(AscSceneNode*, node, iter) {
+        if (node->need_update && node->update_func != NULL) {
+            node->need_update = false;
+            asc_transform_copy(node->transform, node->parent->transform);
+            node->update_func(node);
+        }
+        // TODO: don't visit the tree for drawing, visit the render groups
         if (node->draw_func != NULL) {
             node->draw_func(node);
         }
@@ -65,10 +76,10 @@
 }
 
 AscSceneNode *asc_scene_node_empty(void) {
-    // TODO: check if this can remain a calloc or if it's too expensive
     AscSceneNode *node = calloc(1, sizeof(AscSceneNode));
     assert(node != NULL);
     node->free_func = (asc_scene_free_func) free;
+    asc_transform_identity(node->transform);
     return node;
 }