bevy/crates/bevy_transform/src/lib.rs
2020-08-07 20:22:17 -07:00

46 lines
1.5 KiB
Rust

pub mod components;
pub mod hierarchy;
pub mod local_transform_systems;
pub mod transform_propagate_system;
pub mod transform_systems;
pub mod prelude {
pub use crate::{components::*, hierarchy::*, TransformPlugin};
}
use bevy_app::prelude::*;
use bevy_ecs::prelude::*;
use bevy_type_registry::RegisterType;
use prelude::{
Children, LocalTransform, NonUniformScale, Parent, Rotation, Scale, Transform, Translation,
};
pub(crate) fn transform_systems() -> Vec<Box<dyn System>> {
let mut systems = Vec::with_capacity(5);
systems.append(&mut hierarchy::hierarchy_maintenance_systems());
systems.append(&mut local_transform_systems::local_transform_systems());
systems.append(&mut transform_systems::transform_systems());
systems.push(transform_propagate_system::transform_propagate_system.system());
systems
}
#[derive(Default)]
pub struct TransformPlugin;
impl Plugin for TransformPlugin {
fn build(&self, app: &mut AppBuilder) {
app.register_component::<Children>()
.register_component::<Parent>()
.register_component::<LocalTransform>()
.register_component::<Transform>()
.register_component::<Translation>()
.register_component::<Rotation>()
.register_component::<Scale>()
.register_component::<NonUniformScale>()
// add transform systems to startup so the first update is "correct"
.add_startup_systems(transform_systems())
.add_systems_to_stage(stage::POST_UPDATE, transform_systems());
}
}