Points from history into laser points

src/main.rs

@@ -8,6 +8,9 @@ use bevy_nannou::NannouPlugin;
 use iyes_perf_ui::prelude::*;
 use nannou_laser::point::Rgb;
 use trap::shapes::PositionAndIntensity;
+use trap::tracks::LaserPoints;
+use trap::tracks::RenderableLines;
+use trap::tracks::SpawnedTime;
 use trap::tracks::Track;
 use trap::zmqplugin::ZmqPlugin;
 // use iyes_perf_ui::PerfUiPlugin;
@@ -31,12 +34,13 @@ fn main() {
         .add_systems(Startup, setup)
         .add_systems(Startup, setup_laser)
         .add_systems(Update, update)
+        .add_systems(Update, exit_system)
 
 
         .add_plugins(ZmqPlugin { 
             // url: "tcp://localhost:5558".to_string(),
-            url: "tcp://100.109.175.82:99173".to_string(),
-            // url: "tcp://127.0.0.1:99173".to_string(),
+            // url: "tcp://100.109.175.82:99173".to_string(),
+            url: "tcp://127.0.0.1:99173".to_string(),
             filter: "".to_string()
         })
 
@@ -47,7 +51,7 @@ fn main() {
 #[derive(Resource)]
 struct LaserModel{
     t: Instant, // register start time, so that animations can be moving
-    current_points: Vec<laser::Point>
+    current_points: LaserPoints
 }
 
 impl LaserModel{
@@ -97,7 +101,6 @@ fn setup_laser(mut commands: Commands) {
 fn setup(mut commands: Commands) {
     // Spawn a camera for our main window
     commands.spawn(render::NannouCamera);
-    
 
 }
 
@@ -131,6 +134,7 @@ fn laser_frame_producer(model: &mut LaserModel, frame: &mut laser::Frame){
     
     // let points = positions.iter().cloned().map(text2points);
     let points = model.current_points.clone();
+    println!("Points {}", points.len());
     frame.add_lines(points);
 }
 
@@ -153,58 +157,45 @@ struct LaserTimer {
     timer: Timer,
 }
 
-// fn receive_tracks(mut commands: Commands){
-    
-// }
+
+
+fn exit_system(keys: Res<ButtonInput<KeyCode>>, mut exit: EventWriter<AppExit>) {
+    if keys.just_pressed(KeyCode::KeyQ) {
+        println!("Sending exit command");
+        exit.send(AppExit::Success);
+    }
+}
 
 fn update(
-    mut commands: Commands,
-    keys: Res<ButtonInput<KeyCode>>,
+    // mut commands: Commands,
+    // keys: Res<ButtonInput<KeyCode>>,
     draws: Query<(&Draw, Option<&WindowColor>)>,
     mut lasers: Query<(&mut LaserApi, &mut LaserTimer)>,
-    mut count: Local<usize>,
+    tracks: Query<(&Track, &SpawnedTime)>,
     time: Res<Time>,
 ) {
-   
-    if keys.just_pressed(KeyCode::KeyQ) {
-        // Increment the count to track the number of windows
-        *count += 1;
-        // We need a render layer to make sure we only render the camera for this window
-        let layer = RenderLayers::layer(*count);
-        
-        // Spawn a new window with a unique title, resolution, and background color
-        let entity = commands
-            .spawn((
-                Window {
-                    title: "Nannou".to_string(),
-                    resolution: WindowResolution::new(400.0, 400.0),
-                    ..Default::default()
-                },
-                layer.clone(),
-                WindowColor(match *count {
-                    1 => RED.into(),
-                    2 => GREEN.into(),
-                    3 => BLUE.into(),
-                    _ => PURPLE.into(),
-                }),
-            ))
-            .id();
-        // Spawn a camera for our new window with the matching render layer
-        commands.spawn((render::NannouCamera::for_window(entity), layer.clone()));
+    println!("Start update");
+    let mut lines = RenderableLines::new();
+    for (track, created_at) in tracks.iter() {
+        println!("{} {}, history: {}", track.track_id.to_string(), created_at.instant.elapsed().as_millis(), track.history.len());
+        let rl = RenderableLines::from(track);
+        lines.lines.extend(rl.lines);
     }
-
+   
     for (laser_api, mut laser_timer) in lasers.iter_mut() {
         
         laser_timer.timer.tick(time.delta());
         
-        // laser_timer.timer.
         let version = laser_timer.timer.elapsed().as_millis() > 500;
         println!("{} {}", version, laser_timer.timer.elapsed().as_millis());
-        let lines = get_laser_lines(version);
+        // let lines = get_laser_lines(version);
+        let points: LaserPoints = (&lines).into();
         laser_api.laser_stream.send(|laser|  {
-            laser.current_points = lines;  // TODO)) here the render function should run, then in laser_frame_producer, merely take these points and pass along
+            let laserpoints: LaserPoints = points;
+            // TODO: homography
+            laser.current_points = laserpoints; 
         }).unwrap();
-        // println!("Test")
+        println!(" - sent");
     }
 
     for (draw, window_color) in draws.iter() {
@@ -218,6 +209,6 @@ fn update(
 
     }
 
-
+    println!("End update");
     
 }

src/trap/tracks.rs

@@ -1,5 +1,8 @@
 use bevy::prelude::*;
 use serde::{Serialize,Deserialize};
+use std::time::Instant;
+use nannou_laser as laser;
+
 
 #[derive(Serialize,Deserialize)]
 pub struct Frame {
@@ -36,6 +39,87 @@ pub struct Track {
     pub predictions: Option<Vec<Vec<Vec2>>>,
 }
 
+// coordinates in world space. To be converted to laser::Point or a drawable point
+#[derive(Clone)]
+pub struct RenderablePoint{
+    pub position: Vec2,
+    pub color: Color
+}
+
+#[derive(Clone)]
+pub struct RenderableLine{
+    points: Vec<RenderablePoint>
+}
+
+#[derive(Clone)]
+pub struct RenderableLines{
+    pub lines: Vec<RenderableLine>
+}
+
+impl RenderableLines{
+    pub fn new() -> Self{
+        RenderableLines { lines: Vec::new() }
+    }
+
+    // pub fn append(&mut self, &mut rl: RenderableLines){
+    //     self.lines.append(rl.lines);
+    // }
+
+}
+
+impl From<&RenderablePoint> for laser::Point {
+    fn from(point: &RenderablePoint) -> Self{
+        let rgba: Srgba = point.color.into();
+        let color = [
+            rgba.red * rgba.alpha,
+            rgba.green * rgba.alpha,
+            rgba.blue * rgba.alpha,
+            ];
+        Self::new(point.position.into(), color)
+    }
+}
+impl From<&Track> for RenderableLines{
+    fn from(track: &Track) -> Self{
+        let mut lines: Vec<RenderableLine> = Vec::new();
+        if track.history.len() < 2 {
+            // no history
+        } else {
+            let mut points = Vec::new();
+            for position in track.history.iter() {
+                points.push(RenderablePoint{
+                    position: position.clone(),
+                    color: Color::linear_rgba(1.0, 0., 0., 1.0)
+                });
+            }
+            lines.push(RenderableLine{points})
+        }
+        RenderableLines { lines }
+    }
+}
+
+pub type LaserPoints = Vec<laser::Point>;
+
+impl From<&RenderableLines> for LaserPoints {
+    // much like nannou_laser::stream::frame::add_lines() 
+    // turn the lines into a sequence of points with a blanked section inbetween
+    // this list can then be past as a whole to add_lines()
+    fn from(lineset: &RenderableLines) -> Self{
+        let mut points: Vec<laser::Point> = Vec::new();
+        for line in lineset.lines.iter() {
+            if points.len() > 0 {
+                let last = points.last().unwrap();
+                points.push(last.clone().blanked());
+                if let Some(first) = line.points.first() {
+                    let laserpoint: nannou_laser::Point = first.into();
+                    points.push(laserpoint.blanked());
+                    points.push(laserpoint);
+                }
+            }
+            points.extend(line.points.iter().map(|p| laser::Point::from(p)));
+        }
+        points
+    }
+}
 
 
 // check: https://www.reddit.com/r/bevy/comments/y1km8n/how_to_link_components_in_bevy_or_am_i_too_oop/
@@ -45,25 +129,31 @@ pub struct PredictedTrajectory{
     points: Vec<Vec2>,
 }
 
-// #[derive(Bundle)]
-// pub struct TrackBundle {
-//     track: Track,
-//     // label: TextBundle,
-// }
+#[derive(Component)]
+pub struct SpawnedTime{
+    pub instant: Instant,
+}
 
-// impl From<Track> for TrackBundle{
-//     fn from(track: Track) -> Self {
-//         let name = track.track_id.to_string();
-//         TrackBundle{
-//             track: track,
-//             // label: TextBundle{
-//             //     text: Text::from_section(name, TextStyle::default()),
-//             //     transform: Transform::from_translation(250. * Vec3::Y),
-//             //     ..default()
-//             // }
-//         }
-//     }
-// }
+#[derive(Bundle)]
+pub struct TrackBundle {
+    track: Track,
+    created_at: SpawnedTime,
+}
+
+impl From<Track> for TrackBundle{
+    fn from(track: Track) -> Self {
+        let name = track.track_id.to_string();
+        TrackBundle{
+            track: track,
+            created_at: SpawnedTime{instant: Instant::now()}
+            // label: TextBundle{
+            //     text: Text::from_section(name, TextStyle::default()),
+            //     transform: Transform::from_translation(250. * Vec3::Y),
+            //     ..default()
+            // }
+        }
+    }
+}
 
 // #[derive(Bundle)]
 // pub struct TrackBundle {
@@ -82,11 +172,3 @@ pub struct PredictedTrajectory{
 pub struct Trajectory {
     pub points: Vec<Vec3>,
 }
-
-fn spawn_track() {
-
-}
-
-fn draw_tracks() {
-    // evyr ææææááá
-}

src/trap/zmqplugin.rs

@@ -3,7 +3,7 @@ use zmq::Socket;
 use serde_json::Result;
 use bevy::{ecs::system::SystemState, prelude::*};
 
-use super::tracks::{Frame, Track};
+use super::tracks::{Frame, Track, TrackBundle};
 
 
 // use trap::{Frame, Track, TrackBundle};
@@ -30,6 +30,7 @@ fn receive_zmq_messsages(mut commands: Commands, subscriber: NonSend<Socket>, mu
         subscriber.as_poll_item(zmq::POLLIN)
     ];
     let _nr = zmq::poll(&mut items, 0).unwrap();
+    // println!("receive {_nr}");
     if items[0].is_readable() {
         let json = subscriber.recv_string(0).unwrap().unwrap();
         // dbg!(&json[4..]);
@@ -68,8 +69,8 @@ fn receive_zmq_messsages(mut commands: Commands, subscriber: NonSend<Socket>, mu
                 //     points: Vec::new()
                 // };
                 dbg!(&new_track.predictor_history);
-                // commands.spawn(TrackBundle::from(new_track));
-                commands.spawn(new_track);
+                commands.spawn(TrackBundle::from(new_track));
+                // commands.spawn(new_track);
             }
         }
     }