diff --git a/src/bin/flat.rs b/src/bin/flat.rs
index 687cced..d4592a8 100644
--- a/src/bin/flat.rs
+++ b/src/bin/flat.rs
@@ -120,13 +120,10 @@ fn draw_ray_2(gc: &mut Vec<Draw>, space: &impl Metric, grid: &Grid, base: Vec2,
 			gc.new_path();
 			gc.move_to(p.x, p.y);
 			let ray = cell.ray_to_local(Ray { pos: p, dir: v });
-			if let Some(ray) = cell.to_boundary(ray) {
-				Ray { pos: p, dir: v } = cell.ray_to_global(ray);
-			} else {
-				gc.stroke();
-				gc.new_dash_pattern();
-				return;
-			}
+			let Some(ray) = cell.to_boundary(ray) else {
+				break;
+			};
+			Ray { pos: p, dir: v } = cell.ray_to_global(ray);
 			gc.line_to(p.x, p.y);
 			gc.stroke();
 			gc.new_dash_pattern();
@@ -135,6 +132,7 @@ fn draw_ray_2(gc: &mut Vec<Draw>, space: &impl Metric, grid: &Grid, base: Vec2,
 		}
 	}
 	gc.stroke();
+	gc.new_dash_pattern();
 }
 
 fn draw_fan_2(gc: &mut Vec<Draw>, space: &impl Metric, grid: &Grid, base: Vec2, dir: Vec2, spread: f32) {