Repaint always

src/app.rs

@@ -85,6 +85,8 @@ impl eframe::App for DemoApp {
 
     /// Called each time the UI needs repainting, which may be many times per second.
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        ctx.request_repaint();
+
         self.sim.step(&self.cfg);
 
         sweep_pointcloud(&mut self.pcld, self.sim.get_flow(), self.cfg.dt);
@@ -142,10 +144,10 @@ impl eframe::App for DemoApp {
                            */
 
                         if self.draw_grid {
-                            draw_n_grid(&self.grid, paint, Stroke::new(1., Color32::from_gray(40)));
+                            draw_n_grid(&self.grid, paint, Stroke::new(1., Color32::from_gray(90)));
                         }
 
-                        draw_pcld(&self.pcld, &self.proj, paint, 1., Color32::WHITE);
+                        draw_pcld(&self.pcld, &self.proj, paint, 1., Color32::from_gray(180));
                     })
             });
         });

src/visualization.rs

@@ -13,15 +13,16 @@ pub fn compute_n_grid(
 
     for (idx, _) in arr.indexed_iter() {
         let tl = idx.as_array_view().to_vec();
+        let b = proj.project(&tl.iter().map(|p| *p as f32).collect::<Vec<f32>>());
+
         for dim in 0..arr.ndim() {
             let mut pos = tl.clone();
             pos[dim] += 1;
-            if arr.get(&*pos).is_some() {
+            //if arr.get(&*pos).is_some() {
                 let a = proj.project(&pos.iter().map(|p| *p as f32).collect::<Vec<f32>>());
-                let b = proj.project(&tl.iter().map(|p| *p as f32).collect::<Vec<f32>>());
 
                 out.push((a, b));
-            }
+            //}
         }
     }
 
@@ -58,6 +59,6 @@ pub fn random_pcld_uniform(n: usize, volume: &[usize]) -> PointCloud {
     let margin = 0.5;
 
     PointCloud(Array2::from_shape_fn((n, volume.len()), |(_, col)| {
-        rng.gen_range(margin..=volume[col] as f32 - 1.0 - margin)
+        rng.gen_range(margin..=volume[col] as f32 - margin)
     }))
 }