refactor: reformatted code, removed redundant code

src/main.rs

@@ -1,15 +1,13 @@
 use crossterm::cursor::MoveTo;
-use crossterm::style::Attribute::Dim;
+use crossterm::event::{poll, read, Event, KeyCode};
 use crossterm::style::{Color, Print, SetForegroundColor};
-use crossterm::terminal::{Clear, ClearType, enable_raw_mode};
+use crossterm::terminal::{enable_raw_mode, Clear, ClearType};
-use crossterm::{execute, QueueableCommand};
+use crossterm::{QueueableCommand};
-use ndarray::{arr1, arr2, Array1, Array2};
+use ndarray::{arr1, arr2, Array1};
 use std::io::{stdout, Write};
 use std::process::exit;
-use std::sync::Mutex;
 use std::thread;
 use std::time::Duration;
-use crossterm::event::{Event, KeyCode, poll, read};
 
 const X_DRAW_SCALING_FACTOR: f32 = 2.8;
 
@@ -158,14 +156,11 @@ fn plot_line_vertical(
     Ok(())
 }
 
-static ANGLE: Mutex<f32> = Mutex::new(0.);
-
 fn draw_rotating_mesh(meshes: Vec<Mesh>) -> anyhow::Result<()> {
     let mut angle = (0., 0., 0.);
     let mut zoom = 1.;
 
     loop {
-
         if poll(Duration::from_millis(10))? {
             if let Event::Key(key) = read()? {
                 match key.code {
@@ -178,7 +173,7 @@ fn draw_rotating_mesh(meshes: Vec<Mesh>) -> anyhow::Result<()> {
                     KeyCode::Char(',') => zoom = 0.2f32.max(zoom - 0.02),
                     KeyCode::Char('.') => zoom = 1f32.min(zoom + 0.02),
                     KeyCode::Esc | KeyCode::Backspace | KeyCode::Char('c') => exit(0),
-                    _ => {},
+                    _ => {}
                 }
             }
         } else {
@@ -246,7 +241,6 @@ fn draw_rotating_mesh(meshes: Vec<Mesh>) -> anyhow::Result<()> {
 }
 
 fn main() -> anyhow::Result<()> {
-
     enable_raw_mode()?;
 
     let random_rectangle = Mesh {
@@ -255,20 +249,12 @@ fn main() -> anyhow::Result<()> {
             arr1(&[0., 10., 0.]),
             arr1(&[10., 0., 0.]),
             arr1(&[0., -10., 0.]),
-
-
-        ],
-        edges: vec![
-            [0, 1],
-            [1, 2],
-            [2, 3],
-            [3, 0],
         ],
+        edges: vec![[0, 1], [1, 2], [2, 3], [3, 0]],
         line_color: Some(Color::Red),
-        node_color: Some(Color::DarkRed)
+        node_color: Some(Color::DarkRed),
     };
 
-
     let cube = vec![
         arr1(&[-10., -10., 10.]),
         arr1(&[-10., 10., 10.]),
@@ -288,20 +274,16 @@ fn main() -> anyhow::Result<()> {
         [0, 2],
         [1, 3],
         [2, 3],
-
         // right face
         [4, 5],
         [4, 6],
         [5, 7],
         [6, 7],
-
         // center edges
         [0, 8],
         [3, 8],
-
         [4, 9],
         [7, 9],
-
     ];
 
     let thing = Mesh {