TransformMatrix.destroy is a new method that will clear out the array and object used by a Matrix internally.

Author: photonstorm

CHANGELOG.md

@@ -45,6 +45,7 @@ being passed to the simulation. The default value is 1 to remain consistent with
 * Utils.Array.SendToBack allows you to send an array element to the bottom of the array.
 * Utils.Array.SetAll will set a property on all elements of an array to the given value, with optional range limits.
 * Utils.Array.Swap will swap the position of two elements in an array.
+* TransformMatrix.destroy is a new method that will clear out the array and object used by a Matrix internally.
 
 ### Bug Fixes
 

src/gameobjects/components/TransformMatrix.js

@@ -562,6 +562,18 @@ var TransformMatrix = new Class({
         matrix[3] = cr * scaleY;
 
         return this;
+    },
+
+    /**
+     * Destroys this Transform Matrix.
+     *
+     * @method Phaser.GameObjects.Components.TransformMatrix#destroy
+     * @since 3.4.0
+     */
+    destroy: function ()
+    {
+        this.matrix = null;
+        this.decomposedMatrix = null;
     }
 
 });