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Fix Z-ordering issues and no drop on existing items

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This commit is contained in:
Rich Churcher 2024-11-17 17:38:25 +13:00
parent 49c6000e61
commit 594d95b4ef
1 changed files with 9 additions and 2 deletions
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11
examples/picking/ui_picking.rs
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@ -168,8 +168,13 @@ fn drag_end() -> impl Fn(
/// space, for example. Even though all of our hovered `Node`s receive picking events, we don't
/// need to check the type of the `ev.target` because we've only attached this observer to
/// `InventorySlot`s.
fn set_drop_target() -> impl Fn(Trigger<Pointer<Over>>, ResMut<DragDetails>) {
move |ev, mut details| {
fn set_drop_target(
) -> impl Fn(Trigger<Pointer<Over>>, Query<(), With<Dragable>>, ResMut<DragDetails>) {
move |ev, draggables, mut details| {
// Don't try to drop the item on an existing item
if draggables.get(ev.target).is_ok() {
return;
}
details.drop_target = Some(ev.target);
}
}
@ -220,6 +225,8 @@ fn add_items_to_inventory(
// components.
Node::default(),
ImageNode::new(asset_server.load(paths[i])),
// TODO: seems clumsy, better solution?
ZIndex(99),
))
.observe(drag_start())
.observe(drag_end());