From 8aa6645f2311de78f74b35f804cc45c7fcf38f57 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Mon, 30 May 2022 18:19:02 -0500
Subject: add brushes

---
 src/modules/Geometry.js | 6 +++++-
 src/modules/Util.js     | 5 ++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/modules')

diff --git a/src/modules/Geometry.js b/src/modules/Geometry.js
index 628512b..43f277f 100644
--- a/src/modules/Geometry.js
+++ b/src/modules/Geometry.js
@@ -1,5 +1,9 @@
 'use strict';
 
+function dist(a, b) {
+	return Math.sqrt((a.x - b.x)**2 + (a.y - b.y)**2);
+}
+
 /* AABB - axis-aligned bounding box */
 class AABB {
 	/* create a new AABB */
@@ -226,4 +230,4 @@ class QuadTree {
 	}
 }
 
-export { AABB, QTNode, QuadTree };
+export { dist, AABB, QTNode, QuadTree };
diff --git a/src/modules/Util.js b/src/modules/Util.js
index 2375f10..165d1d0 100644
--- a/src/modules/Util.js
+++ b/src/modules/Util.js
@@ -14,4 +14,7 @@ function clamp(value, min, max) {
 	return Math.min(Math.max(value, min), max);
 }
 
-export { useAverage, clamp };
+function lerp(a, b, alpha) {
+	return ((1-alpha)*a) + (alpha*b);
+}
+export { useAverage, clamp, lerp };
-- 
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