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transform: apply LocalTransforms to root Transforms

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This commit is contained in:
Carter Anderson 2020-07-20 11:59:02 -07:00
parent 009141d453
commit 6194944153
1 changed files with 18 additions and 12 deletions
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30
crates/bevy_transform/src/transform_propagate_system.rs
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@ -4,21 +4,27 @@ use bevy_ecs::prelude::*;
pub fn transform_propagate_system(
mut commands: Commands,
// Entities with a `Children` and `Transform` but NOT a `Parent` (ie those that are
// roots of a hierarchy).
mut root_query: Query<Without<Parent, (&Children, &Transform)>>,
mut root_query: Query<
Without<Parent, (Option<&Children>, &mut Transform, Option<&LocalTransform>)>,
>,
mut children_query: Query<&Children>,
mut local_transform_query: Query<&LocalTransform>,
) {
for (children, local_to_world) in &mut root_query.iter() {
for child in children.0.iter() {
propagate_recursive(
*local_to_world,
&mut children_query,
&mut local_transform_query,
*child,
&mut commands,
);
for (children, mut transform, local_transform) in &mut root_query.iter() {
if let Some(local_transform) = local_transform {
transform.value = local_transform.0;
}
if let Some(children) = children {
for child in children.0.iter() {
propagate_recursive(
*transform,
&mut children_query,
&mut local_transform_query,
*child,
&mut commands,
);
}
}
}
}