Merge pull request #6 from gursi26/resizeable

finished resizeable windows

src/args.rs

@@ -35,12 +35,12 @@ pub struct CLIArgs {
     averaging_window: u32,
 
     /// Window width
-    #[arg(long = "width", default_value_t = 1000)]
-    window_width: i32,
+    #[arg(long = "width", default_value_t = 1000.0)]
+    window_width: f32,
 
     /// Window height
-    #[arg(long = "height", default_value_t = 700)]
-    window_height: i32,
+    #[arg(long = "height", default_value_t = 700.0)]
+    window_height: f32,
 
     /// Border size for each bar
     #[arg(long = "border-size", default_value_t = 1)]

src/main.rs

@@ -56,8 +56,8 @@ struct FFTArgs {
     fft_fps: u32,
     bar_smoothness: u32,
     freq_resolution: u32,
-    window_width: i32,
-    window_height: i32,
+    window_width: f32,
+    window_height: f32,
     averaging_window: u32,
     min_freq: f32,
     max_freq: f32,
@@ -128,7 +128,6 @@ fn main() {
                     .into(),
                     name: Some("fftviz".into()),
                     resolution: (args.window_width as f32, args.window_height as f32).into(),
-                    resizable: false,
                     prevent_default_event_handling: false,
                     enabled_buttons: bevy::window::EnabledButtons {
                         maximize: false,

src/systems/startup.rs

@@ -42,7 +42,7 @@ fn spawn_bars(
                 transform: Transform::from_xyz(
                     bar_size * i as f32 + (bar_size / 2.0) - (w / 2.0) as f32,
                     0.0,
-                    0.0,
+                    -1.0,
                 ),
                 ..default()
             })

src/systems/update_view_settings.rs

@@ -29,9 +29,62 @@ pub fn update_view_settings (
     mut clear_color: ResMut<ClearColor>,
     mut text_query: Query<&mut Text>,
     mut differencing_args_query: Query<&mut FFTArgs>,
+    mut bar_query: Query<&mut Transform, Without<Text>>
 ) {
     let mut differencing_args = differencing_args_query.get_single_mut().unwrap();
 
+    // Update bar sizes and positions on resize 
+    let w = window.single_mut().width();
+    if differencing_args.window_width != w {
+        let bar_size = w / app_state.fft[0].len() as f32;
+        for (i, b) in app_state.despawn_handles.chunks(2).enumerate() {
+            bar_query.get_mut(b[0]).unwrap().translation.x = bar_size * i as f32 + bar_size / 2.0 - w / 2.0;
+            bar_query.get_mut(b[1]).unwrap().translation.x = bar_size * i as f32 + bar_size / 2.0 - w / 2.0;
+        }
+
+
+        let outer_bar_size = bar_size / 2.0;
+        let inner_bar_size = (bar_size - args.border_size as f32) / 2.0;
+
+        for handle in app_state.curr_bars.chunks(2) {
+            let handle1 = handle[0].0.clone_weak();
+            let handle2 = handle[1].0.clone_weak();
+
+            let dims = meshes
+                .get_mut(handle1)
+                .unwrap()
+                .attribute_mut(Mesh::ATTRIBUTE_POSITION)
+                .unwrap();
+
+            match dims {
+                VertexAttributeValues::Float32x3(x) => {
+                    x[0][0] = outer_bar_size;
+                    x[1][0] = -outer_bar_size;
+                    x[2][0] = -outer_bar_size;
+                    x[3][0] = outer_bar_size;
+                }
+                _ => {}
+            }
+
+            let dims = meshes
+                .get_mut(handle2)
+                .unwrap()
+                .attribute_mut(Mesh::ATTRIBUTE_POSITION)
+                .unwrap();
+
+            match dims {
+                VertexAttributeValues::Float32x3(x) => {
+                    x[0][0] = inner_bar_size;
+                    x[1][0] = -inner_bar_size;
+                    x[2][0] = -inner_bar_size;
+                    x[3][0] = inner_bar_size;
+                }
+                _ => {}
+            }
+        }
+        differencing_args.window_width = w;
+    }
+
     // Update text color + visibility + size
     if differencing_args.text_color != args.text_color || differencing_args.track_name != args.track_name || differencing_args.font_size != args.font_size {
         for mut text in &mut text_query {