readded progressbar

Cargo.toml

@@ -9,3 +9,4 @@ edition = "2021"
 rand = "0.7.0"
 rayon = "1.8"
 image = "0.25.9"
+indicatif = "0.18.3"

src/main.rs

@@ -9,6 +9,7 @@ pub mod sphere;
 pub mod vec3;
 
 use image::{Pixel, RgbImage};
+use indicatif::{ProgressBar, ProgressStyle};
 use rayon::prelude::*;
 
 use crate::{
@@ -143,6 +144,18 @@ fn main() {
 
     let mut img_buffer = RgbImage::new(image_width as u32, image_height as u32);
 
+    let total_pixels = (image_width * image_height) as u64;
+    let bar = ProgressBar::new(total_pixels);
+
+    bar.set_style(
+        ProgressStyle::default_bar()
+            .template(
+                "{spinner:.green} [{elapsed_precise}] [{bar:40.green/black}] {percent}% ({eta})",
+            )
+            .unwrap()
+            .progress_chars("#>-"),
+    );
+
     img_buffer
         .par_enumerate_pixels_mut()
         .for_each(|(x, y, pixel)| {
@@ -162,8 +175,14 @@ fn main() {
             pixel.channels_mut()[0] = ir;
             pixel.channels_mut()[1] = ig;
             pixel.channels_mut()[2] = ib;
+
+            bar.inc(1);
         });
 
+    bar.finish_with_message("Render Complete!");
 
     img_buffer.save("render.png").unwrap();
 }
+
+// print!("\r{} %", progress);
+// let _ = stdout().flush();