From 9875318f2071293eadde4fab15437f89cf88a1a4 Mon Sep 17 00:00:00 2001
From: Richard Davey <rdavey@gmail.com>
Date: Fri, 1 Jun 2018 19:52:52 +0100
Subject: [PATCH] Added missing dx/dy properties

---
 src/physics/arcade/StaticBody.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/physics/arcade/StaticBody.js b/src/physics/arcade/StaticBody.js
index 3b5fc7e5c..e4ce9fbab 100644
--- a/src/physics/arcade/StaticBody.js
+++ b/src/physics/arcade/StaticBody.js
@@ -363,6 +363,30 @@ var StaticBody = new Class({
          * @since 3.0.0
          */
         this.physicsType = CONST.STATIC_BODY;
+
+        /**
+         * The calculated change in the Body's horizontal position during the current step.
+         * For a static body this is always zero.
+         *
+         * @name Phaser.Physics.Arcade.StaticBody#_dx
+         * @type {number}
+         * @private
+         * @default 0
+         * @since 3.10.0
+         */
+        this._dx = 0;
+
+        /**
+         * The calculated change in the Body's vertical position during the current step.
+         * For a static body this is always zero.
+         *
+         * @name Phaser.Physics.Arcade.StaticBody#_dy
+         * @type {number}
+         * @private
+         * @default 0
+         * @since 3.10.0
+         */
+        this._dy = 0;
     },
 
     /**