From 2c7442a76a816d3ab02f58d8d713c0babad7d393 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 16 Apr 2022 12:05:07 +0800
Subject: [PATCH] refactor: use util/lerp.scad

---
 src/_impl/_contours_impl.scad | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/_impl/_contours_impl.scad b/src/_impl/_contours_impl.scad
index 81199ea8..d92f3bd0 100644
--- a/src/_impl/_contours_impl.scad
+++ b/src/_impl/_contours_impl.scad
@@ -1,7 +1,7 @@
-function _lerp(v1, v2, amt) = v1 + (v2 - v1) * amt;
+use <../util/lerp.scad>;
 
 function interpolated_pt(p0, p1, threshold) = 
-   let(p = _lerp(p0, p1, (threshold - p0.z) / (p1.z - p0.z)))
+   let(p = lerp(p0, p1, (threshold - p0.z) / (p1.z - p0.z)))
    [p.x, p.y, p.z];
 
 /*