new workspace

wlx-overlay-s/src/overlays/watch.rs

@@ -0,0 +1,100 @@
+use glam::Vec3A;
+use wgui::{
+    parser::parse_color_hex,
+    taffy::{
+        self,
+        prelude::{length, percent},
+    },
+    widget::{
+        rectangle::{Rectangle, RectangleParams},
+        util::WLength,
+    },
+};
+
+use crate::{
+    backend::overlay::{ui_transform, OverlayData, OverlayState, Positioning, Z_ORDER_WATCH},
+    gui::panel::GuiPanel,
+    state::AppState,
+};
+
+pub const WATCH_NAME: &str = "watch";
+
+pub fn create_watch<O>(app: &mut AppState) -> anyhow::Result<OverlayData<O>>
+where
+    O: Default,
+{
+    let mut panel = GuiPanel::new_blank(app, 400, 200)?;
+
+    let (_, _) = panel.layout.add_child(
+        panel.layout.root_widget,
+        Rectangle::create(RectangleParams {
+            color: wgui::drawing::Color::new(0., 0., 0., 0.5),
+            border_color: parse_color_hex("#00ffff").unwrap(),
+            border: 2.0,
+            round: WLength::Units(4.0),
+            ..Default::default()
+        })
+        .unwrap(),
+        taffy::Style {
+            size: taffy::Size {
+                width: percent(1.0),
+                height: percent(1.0),
+            },
+            align_items: Some(taffy::AlignItems::Center),
+            justify_content: Some(taffy::JustifyContent::Center),
+            padding: length(4.0),
+            ..Default::default()
+        },
+    )?;
+
+    let positioning = Positioning::FollowHand {
+        hand: app.session.config.watch_hand as _,
+        lerp: 1.0,
+    };
+
+    Ok(OverlayData {
+        state: OverlayState {
+            name: WATCH_NAME.into(),
+            want_visible: true,
+            interactable: true,
+            z_order: Z_ORDER_WATCH,
+            spawn_scale: 0.115, //TODO:configurable
+            spawn_point: app.session.config.watch_pos,
+            spawn_rotation: app.session.config.watch_rot,
+            interaction_transform: ui_transform([400, 200]),
+            positioning,
+            ..Default::default()
+        },
+        backend: Box::new(panel),
+        ..Default::default()
+    })
+}
+
+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.);
+    }
+}