Container can now be assigned an arcade physics body

Author: photonstorm

src/gameobjects/container/Container.js

@@ -26,6 +26,7 @@ var Vector2 = require('../../math/Vector2');
  *
  * @extends Phaser.GameObjects.Components.Alpha
  * @extends Phaser.GameObjects.Components.BlendMode
+ * @extends Phaser.GameObjects.Components.ComputedSize
  * @extends Phaser.GameObjects.Components.Depth
  * @extends Phaser.GameObjects.Components.Transform
  * @extends Phaser.GameObjects.Components.Visible
@@ -42,6 +43,7 @@ var Container = new Class({
     Mixins: [
         Components.Alpha,
         Components.BlendMode,
+        Components.ComputedSize,
         Components.Depth,
         Components.Transform,
         Components.Visible,
@@ -130,28 +132,6 @@ var Container = new Class({
          */
         this._sortKey = '';
 
-        /**
-         * Internal value to allow Containers to be used for input.
-         * Do not change this value. It has no effect other than to break input.
-         *
-         * @name Phaser.GameObjects.Container#displayOriginX
-         * @type {number}
-         * @private
-         * @since 3.4.0
-         */
-        this.displayOriginX = 0;
-
-        /**
-         * Internal value to allow Containers to be used for input.
-         * Do not change this value. It has no effect other than to break input.
-         *
-         * @name Phaser.GameObjects.Container#displayOriginY
-         * @type {number}
-         * @private
-         * @since 3.4.0
-         */
-        this.displayOriginY = 0;
-
         /**
          * Internal value to allow Containers to be used for input.
          * Do not change this value. It has no effect other than to break input.
@@ -184,6 +164,42 @@ var Container = new Class({
         }
     },
 
+    /**
+     * Internal value to allow Containers to be used for input and physics.
+     * Do not change this value. It has no effect other than to break things.
+     *
+     * @name Phaser.GameObjects.Container#displayOriginX
+     * @type {number}
+     * @readOnly
+     * @since 3.4.0
+     */
+    displayOriginX: {
+
+        get: function ()
+        {
+            return this.width * 0.5;
+        }
+
+    },
+
+    /**
+     * Internal value to allow Containers to be used for input and physics.
+     * Do not change this value. It has no effect other than to break things.
+     *
+     * @name Phaser.GameObjects.Container#displayOriginY
+     * @type {number}
+     * @readOnly
+     * @since 3.4.0
+     */
+    displayOriginY: {
+
+        get: function ()
+        {
+            return this.height * 0.5;
+        }
+
+    },
+
     /**
      * Does this Container exclusively manage its children?
      * 

src/physics/arcade/Body.js

@@ -50,6 +50,9 @@ var Body = new Class({
 
     function Body (world, gameObject)
     {
+        var width = (gameObject.width) ? gameObject.width : 64;
+        var height = (gameObject.height) ? gameObject.height : 64;
+
         /**
          * [description]
          *
@@ -167,7 +170,7 @@ var Body = new Class({
          * @type {Phaser.Math.Vector2}
          * @since 3.0.0
          */
-        this.prev = new Vector2(this.position.x, this.position.y);
+        this.prev = new Vector2(gameObject.x, gameObject.y);
 
         /**
          * [description]
@@ -204,7 +207,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.width = gameObject.width;
+        this.width = width;
 
         /**
          * [description]
@@ -213,7 +216,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.height = gameObject.height;
+        this.height = height;
 
         /**
          * [description]
@@ -222,7 +225,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.sourceWidth = gameObject.width;
+        this.sourceWidth = width;
 
         /**
          * [description]
@@ -231,7 +234,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.sourceHeight = gameObject.height;
+        this.sourceHeight = height;
 
         if (gameObject.frame)
         {
@@ -246,7 +249,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.halfWidth = Math.abs(gameObject.width / 2);
+        this.halfWidth = Math.abs(width / 2);
 
         /**
          * [description]
@@ -255,7 +258,7 @@ var Body = new Class({
          * @type {number}
          * @since 3.0.0
          */
-        this.halfHeight = Math.abs(gameObject.height / 2);
+        this.halfHeight = Math.abs(height / 2);
 
         /**
          * [description]