From 94c005f0fd75c67f8d63c22a2a2b97cc762d88b4 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Tue, 23 Jul 2019 00:18:59 -0500
Subject: [PATCH] feat: Vector::distance

---
 packages/math/vector/index.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/math/vector/index.js b/packages/math/vector/index.js
index 3ff9d30..9dcf841 100644
--- a/packages/math/vector/index.js
+++ b/packages/math/vector/index.js
@@ -41,6 +41,12 @@ export function mul(l, r) {
   return [l[0] * r[0], l[1] * r[1]];
 }
 
+export function distance(l, r) {
+  const xd = l[0] - r[0];
+  const yd = l[1] - r[1];
+  return Math.sqrt(xd * xd + yd * yd);
+}
+
 // Divide two vectors.
 //
 //     avocado> Vector.div [15, 5], [5, 5]