From 7db38e8422b8512e80a3959e0d8243bc344c023c Mon Sep 17 00:00:00 2001
From: Tim Mickel <tim.mickel@gmail.com>
Date: Wed, 29 Jun 2016 23:07:23 -0400
Subject: [PATCH] Implement a few math utilities

---
 src/util/math-util.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/util/math-util.js

diff --git a/src/util/math-util.js b/src/util/math-util.js
new file mode 100644
index 000000000..2dfd62a6e
--- /dev/null
+++ b/src/util/math-util.js
@@ -0,0 +1,20 @@
+function MathUtil () {}
+
+MathUtil.degToRad = function (deg) {
+    return (Math.PI * (90 - deg)) / 180;
+};
+
+MathUtil.radToDeg = function (rad) {
+    return rad * 180 / Math.PI;
+};
+
+MathUtil.clamp = function (n, min, max) {
+    return Math.min(Math.max(n, min), max);
+};
+
+MathUtil.wrapClamp = function (n, min, max) {
+    var range = (max - min) + 1;
+    return n - Math.floor((n - min) / range) * range;
+};
+
+module.exports = MathUtil;