From 0f2deaf85e185504c2adca65b7d30556baf19067 Mon Sep 17 00:00:00 2001
From: Matthew Harrison-Jones <matthojo@gmail.com>
Date: Fri, 18 Nov 2016 11:06:01 +0000
Subject: [PATCH] Add `rotateBy` controls

---
 src/controls/Controls.Orbit.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/controls/Controls.Orbit.js b/src/controls/Controls.Orbit.js
index c62769e..5045e4f 100644
--- a/src/controls/Controls.Orbit.js
+++ b/src/controls/Controls.Orbit.js
@@ -56,7 +56,11 @@ class Orbit extends EventEmitter {
 
   // Rotate (left and right)
   rotateTo(angle, animate) {}
-  rotateBy(angleDelta, animate) {}
+  rotateBy(angleDelta, animate) {
+    var controls = this._controls;
+
+    controls.rotateLeft(angleDelta);
+  }
 
   // Fly to the given point, animating pan and tilt/rotation to final position
   // with nice zoom out and in