Files
wayvr/src/overlays/watch.rs
2025-04-07 00:58:03 +09:00

78 lines
2.3 KiB
Rust

use glam::Vec3A;
use crate::{
backend::overlay::{ui_transform, OverlayData, OverlayState, RelativeTo, Z_ORDER_WATCH},
config::{load_known_yaml, ConfigType},
gui::{
canvas::Canvas,
modular::{modular_canvas, ModularData, ModularUiConfig},
},
state::AppState,
};
pub const WATCH_NAME: &str = "watch";
pub fn create_watch<O>(state: &mut AppState) -> anyhow::Result<OverlayData<O>>
where
O: Default,
{
let config = load_known_yaml::<ModularUiConfig>(ConfigType::Watch);
let relative_to = RelativeTo::Hand(state.session.config.watch_hand as usize);
Ok(OverlayData {
state: OverlayState {
name: WATCH_NAME.into(),
want_visible: true,
interactable: true,
z_order: Z_ORDER_WATCH,
spawn_scale: config.width,
spawn_point: state.session.config.watch_pos,
spawn_rotation: state.session.config.watch_rot,
interaction_transform: ui_transform(config.size),
relative_to,
..Default::default()
},
backend: Box::new(create_watch_canvas(Some(config), state)?),
..Default::default()
})
}
pub fn create_watch_canvas(
config: Option<ModularUiConfig>,
state: &mut AppState,
) -> anyhow::Result<Canvas<(), ModularData>> {
let config = config.unwrap_or_else(|| load_known_yaml::<ModularUiConfig>(ConfigType::Watch));
modular_canvas(config.size, &config.elements, state)
}
pub fn watch_fade<D>(app: &mut AppState, watch: &mut OverlayData<D>)
where
D: Default,
{
if watch.state.saved_transform.is_some() {
watch.state.want_visible = false;
return;
}
let to_hmd = (watch.state.transform.translation - app.input_state.hmd.translation).normalize();
let watch_normal = watch
.state
.transform
.transform_vector3a(Vec3A::NEG_Z)
.normalize();
let dot = to_hmd.dot(watch_normal);
if dot < app.session.config.watch_view_angle_min {
watch.state.want_visible = false;
} else {
watch.state.want_visible = true;
watch.state.alpha = (dot - app.session.config.watch_view_angle_min)
/ (app.session.config.watch_view_angle_max - app.session.config.watch_view_angle_min);
watch.state.alpha += 0.1;
watch.state.alpha = watch.state.alpha.clamp(0., 1.);
}
}