create lines from point refs

1 files changed, 8 insertions, 6 deletions

diff --git a/src/state.rs b/src/state.rs
index 90c8147..02a3a85 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -115,17 +115,19 @@ impl State {
         Ok(())
     }
 
-    fn find_poly(&self) -> Vec<Point> {
-        let mut last_line = Line::new(Point::new(0.0, 0.0), Point::new(1.0, 0.0));
+    fn find_poly(&self) -> Vec<&Point> {
+        let p1 = Point::new(0.0, 0.0);
+        let p2 = Point::new(1.0, 0.0);
+        let mut last_line = Line::new(&p1, &p2);
         let mut xxx = 100;
-        let mut res = vec![self.points[0].clone()];
+        let mut res = vec![&self.points[0]];
         loop {
             let last = res.last().expect("something in res");
             let mut min_theta = TAU;
             let mut min_p = &self.points[0];
             for p in &self.points {
                 if !last.equal_pos(p) {
-                    let l2 = Line::new(last.clone(), p.clone());
+                    let l2 = Line::new(last, p);
                     let theta = last_line.angle_between(&l2);
                     if theta < min_theta {
                         min_theta = theta;
@@ -133,8 +135,8 @@ impl State {
                     }
                 }
             }
-            last_line = Line::new(res.last().expect("something in res").clone(), min_p.clone());
-            res.push(min_p.clone());
+            last_line = Line::new(res.last().expect("something in res"), min_p);
+            res.push(min_p);
 
             xxx -= 1;
             if xxx == 0 || res[0].equal_pos(res.last().expect("something in res")) {