Fixed lint errors and added jsdocs

Author: photonstorm

src/gameobjects/components/Transform.js

@@ -7,7 +7,6 @@
 var MATH_CONST = require('../../math/const');
 var WrapAngle = require('../../math/angle/Wrap');
 var WrapAngleDegrees = require('../../math/angle/WrapDegrees');
-var TransformMatrix = require('./TransformMatrix');
 
 //  global bitmask flag for GameObject.renderMask (used by Scale)
 var _FLAG = 4; // 0100
@@ -371,11 +370,31 @@ var Transform = {
         return this;
     },
 
+    /**
+     * Gets the local transform matrix for this Game Object.
+     *
+     * @method Phaser.GameObjects.Components.Transform#getLocalTransformMatrix
+     * @since 3.4.0
+     *
+     * @param {Phaser.GameObjects.Components.TransformMatrix} tempMatrix - The matrix to populate with the values from this Game Object.
+     *
+     * @return {Phaser.GameObjects.Components.TransformMatrix} The populated Transform Matrix.
+     */
     getLocalTransformMatrix: function (tempMatrix)
     {
         return tempMatrix.applyITRS(this.x, this.y, this._rotation, this._scaleX, this._scaleY);
     },
 
+    /**
+     * Gets the world transform matrix for this Game Object, factoring in any parent Containers.
+     *
+     * @method Phaser.GameObjects.Components.Transform#getWorldTransformMatrix
+     * @since 3.4.0
+     *
+     * @param {Phaser.GameObjects.Components.TransformMatrix} tempMatrix - The matrix to populate with the values from this Game Object.
+     *
+     * @return {Phaser.GameObjects.Components.TransformMatrix} The populated Transform Matrix.
+     */
     getWorldTransformMatrix: function (tempMatrix)
     {
         var parent = this.parentContainer;
@@ -393,10 +412,11 @@ var Transform = {
 
         for (var i = 0; i < length; ++i)
         {
-            rootContainer = parents[i];
-            tempMatrix.translate(rootContainer.x, rootContainer.y);
-            tempMatrix.rotate(rootContainer.rotation);
-            tempMatrix.scale(rootContainer.scaleX, rootContainer.scaleY);
+            parent = parents[i];
+
+            tempMatrix.translate(parent.x, parent.y);
+            tempMatrix.rotate(parent._rotation);
+            tempMatrix.scale(parent._scaleX, parent._scaleY);
         }
 
         tempMatrix.translate(this.x, this.y);