From 05ff84f282e482e2d4773fb6501e81ca66cb14da Mon Sep 17 00:00:00 2001
From: Richard Davey <rdavey@gmail.com>
Date: Tue, 31 Jan 2017 18:27:43 +0000
Subject: [PATCH] dirtyLocal test.

---
 v3/src/checksum.js                            | 2 +-
 v3/src/components/experimental-Transform-2.js | 9 +++++++++
 v3/src/gameobjects/GameObject.js              | 7 +++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/v3/src/checksum.js b/v3/src/checksum.js
index 0155eb6c3..e4b557be5 100644
--- a/v3/src/checksum.js
+++ b/v3/src/checksum.js
@@ -1,4 +1,4 @@
 var CHECKSUM = {
-build: '186b6300-e7d5-11e6-9a5e-2ff3d2308a00'
+build: 'aa3d0db0-e7df-11e6-b8bf-6f3109a66e78'
 };
 module.exports = CHECKSUM;
\ No newline at end of file
diff --git a/v3/src/components/experimental-Transform-2.js b/v3/src/components/experimental-Transform-2.js
index 739d9b906..669a7bb56 100644
--- a/v3/src/components/experimental-Transform-2.js
+++ b/v3/src/components/experimental-Transform-2.js
@@ -68,6 +68,7 @@ function Transform(gameObject, root)
 	this.childCount = 0;
 	this.renderCount = 0;
 	this.dirty = false;
+	this.dirtyLocal = true;
 	this.root = root || this;
     this.gameObject = gameObject;
 }
@@ -159,6 +160,11 @@ Transform.prototype.updateRoot = function ()
 };
 Transform.prototype.update = function (parentTransformMatrix)
 {
+	if (!this.dirtyLocal)
+	{
+		return;
+	}
+
     var parent = parentTransformMatrix.matrix;
     var world = this.worldMatrix.matrix;
 	var rotation = this.rotation;
@@ -176,7 +182,10 @@ Transform.prototype.update = function (parentTransformMatrix)
     world[3] = parent[2] * local[1] + parent[3] * local[3];
     world[4] = parent[4] * local[0] + parent[5] * local[2] + local[4];
     world[5] = parent[4] * local[1] + parent[5] * local[3] + local[5];
+
+    this.dirtyLocal = false;
 };
+
 Transform.prototype.updateLocal = function ()
 {
 	var local = this.localMatrix.loadIdentity();
diff --git a/v3/src/gameobjects/GameObject.js b/v3/src/gameobjects/GameObject.js
index 160140af7..f8443a1c5 100644
--- a/v3/src/gameobjects/GameObject.js
+++ b/v3/src/gameobjects/GameObject.js
@@ -118,6 +118,7 @@ Object.defineProperties(GameObject.prototype, {
         set: function (value)
         {
             this.transform.positionX = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -134,6 +135,7 @@ Object.defineProperties(GameObject.prototype, {
         set: function (value)
         {
             this.transform.positionY = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -151,6 +153,7 @@ Object.defineProperties(GameObject.prototype, {
         {
             this.transform.scaleX = value;
             this.transform.scaleY = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -167,6 +170,7 @@ Object.defineProperties(GameObject.prototype, {
         set: function (value)
         {
             this.transform.scaleX = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -183,6 +187,7 @@ Object.defineProperties(GameObject.prototype, {
         set: function (value)
         {
             this.transform.scaleY = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -199,6 +204,7 @@ Object.defineProperties(GameObject.prototype, {
         set: function (value)
         {
             this.transform.rotation = value;
+            this.transform.dirtyLocal = true;
         }
 
     },
@@ -216,6 +222,7 @@ Object.defineProperties(GameObject.prototype, {
         {
             //  value is in degrees
             this.transform.rotation = WrapAngle(value * MATH_CONST.DEG_TO_RAD);
+            this.transform.dirtyLocal = true;
         }
 
     },