Save info about best solutions

src/display.rs

@@ -1,6 +1,6 @@
 use svg::node::element::path::Data;
 use svg::node::element::Path;
-use svg::node::element::{AnimateMotion, Circle, MotionPath};
+use svg::node::element::Circle;
 use svg::Document;
 use svg::Node;
 
@@ -8,6 +8,31 @@ use std::fs;
 
 use super::*;
 
+fn idx_to_char(idx: usize) -> char {
+	match idx {
+		0 => 'A',
+		1 => 'B',
+		2 => 'C',
+		_ => unreachable!()
+	}
+}
+
+pub(crate) fn save_info(filename: &str, world: &World, tris: &[Triangle], original_tris: &[Triangle]) {
+	let mut text = format!("Gesamtabstand: {:.0}\n", world.width);
+	for (idx, (_, tri)) in world.tris.iter().enumerate() {
+		let unrotated_tri = tris[idx];
+		let original_idx = original_tris.iter().position(|x| x.0 == unrotated_tri.0 && x.1 == unrotated_tri.1 && x.2 == unrotated_tri.2).unwrap();
+		text += &format!("D{}:", original_idx);
+		let mut coordinates = vec![tri.0, tri.1, tri.2];
+		coordinates.sort_by_key(|x| (x.x * 100.0) as u32);
+		for (idx, c) in coordinates.into_iter().enumerate() {
+			text += &format!(" D{}{}[{:.0} {:.0}]", original_idx, idx_to_char(idx), c.x, c.y);
+		}
+		text += "\n";
+	}
+	fs::write(filename, text).unwrap();
+}
+
 pub(crate) fn save_tri(filename: &str, tri: Triangle) {
 	fs::write(filename, generate_svg(&[tri])).unwrap();
 }

src/main.rs

@@ -154,6 +154,7 @@ fn main() {
 		tri.2.y -= tri.0.y;
 		tri.0.y = 0.0;
 	}
+	let original_tris = tris.clone();
 	let mut best = f32::MAX;
 	let mut i = 0u64;
 	let save_prefix = format!("rand_sel_{}_", random::<u64>());
@@ -166,6 +167,7 @@ fn main() {
 			//eprint!("\r");
 			println!("[{}] BEST {:.3}                             ", i, best);
 			display::save_world(&format!("{}{}.svg", save_prefix, i), &new_best);
+			display::save_info(&format!("{}{}.txt", save_prefix, i), &new_best, &tris, &original_tris);
 		} else {
 			//eprint!("\r");
 			println!("[{}] best {:.3} / prev. {:.3}                      ", i, new_best.width, best);