latest update

src/main.rs

@@ -43,7 +43,7 @@ fn ray_color(r: &Ray, world: &mut dyn Hittable, depth: i32) -> Color {
 fn main() {
     // Image
     let aspect_ratio: f64 = 1.0 / 1.0;
-    let image_width: i32 = 1024;
+    let image_width: i32 = 512;
     let image_height: i32 = (image_width as f64 / aspect_ratio as f64) as i32;
     let samples_per_pixel: i32 = 100;
     let max_depth: i32 = 4;