From ff172e0057dfd87fc6344386757eebfc068c46f4 Mon Sep 17 00:00:00 2001
From: Dale Stammen <dalestam@microsoft.com>
Date: Thu, 20 Nov 2014 09:00:22 -0800
Subject: [PATCH] fixed accelerometer for windows store apps device orientation

---
 cocos/platform/winrt/CCDevice.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/cocos/platform/winrt/CCDevice.cpp b/cocos/platform/winrt/CCDevice.cpp
index e3f7edbde5..71a6ff303a 100644
--- a/cocos/platform/winrt/CCDevice.cpp
+++ b/cocos/platform/winrt/CCDevice.cpp
@@ -100,6 +100,7 @@ void Device::setAccelerometerEnabled(bool isEnabled)
 
             auto orientation = GLViewImpl::sharedOpenGLView()->getDeviceOrientation();
 
+#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
             switch (orientation)
             {
             case DisplayOrientations::Portrait:
@@ -127,7 +128,36 @@ void Device::setAccelerometerEnabled(bool isEnabled)
 				acc.y = reading->AccelerationY;
                 break;
             }
+#else // Windows Store App
+            // from http://msdn.microsoft.com/en-us/library/windows/apps/dn440593
+            switch (orientation)
+            {
+            case DisplayOrientations::Portrait:
+                acc.x = reading->AccelerationY;
+                acc.y = -reading->AccelerationX;
+                break;
 
+            case DisplayOrientations::Landscape:
+                acc.x = reading->AccelerationX;
+                acc.y = reading->AccelerationY;
+                break;
+
+            case DisplayOrientations::PortraitFlipped:
+                acc.x = -reading->AccelerationY;
+                acc.y = reading->AccelerationX;
+                break;
+
+            case DisplayOrientations::LandscapeFlipped:
+                acc.x = -reading->AccelerationY;
+                acc.y = reading->AccelerationX;
+                break;
+
+            default:
+                acc.x = reading->AccelerationY;
+                acc.y = -reading->AccelerationX;
+                break;
+            }
+#endif
 	        std::shared_ptr<cocos2d::InputEvent> event(new AccelerometerEvent(acc));
             cocos2d::GLViewImpl::sharedOpenGLView()->QueueEvent(event);
 		});