From 5143cff9e5ab6217ae2e9c471d658ee804a5d2bb Mon Sep 17 00:00:00 2001
From: Yoann Lopes <yoann.lopes@nokia.com>
Date: Fri, 16 Jul 2010 15:03:54 +0200
Subject: Camera control from QML UI.

---
 cameranodeobject.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 cameranodeobject.cpp

(limited to 'cameranodeobject.cpp')

diff --git a/cameranodeobject.cpp b/cameranodeobject.cpp
new file mode 100644
index 0000000..7fe7c4f
--- /dev/null
+++ b/cameranodeobject.cpp
@@ -0,0 +1,41 @@
+#include "cameranodeobject.h"
+
+#include <OgreRoot.h>
+#include <OgreSceneNode.h>
+#include <OgreCamera.h>
+
+static const Ogre::Vector3 initialPosition(0, 0, 300);
+
+CameraNodeObject::CameraNodeObject(Ogre::Camera *cam, QObject *parent) :
+    QObject(parent),
+    m_camera(cam),
+    m_yaw(0),
+    m_pitch(0),
+    m_zoom(1)
+{
+    m_node = Ogre::Root::getSingleton().getSceneManager("mySceneManager")->getRootSceneNode()->createChildSceneNode();
+    m_node->attachObject(cam);
+    cam->move(initialPosition);
+}
+
+void CameraNodeObject::resetPosition()
+{
+    m_yaw = 0;
+    m_pitch = 0;
+    updateRotation();
+}
+
+void CameraNodeObject::updateRotation()
+{
+    m_node->resetOrientation();
+    m_node->yaw(Ogre::Radian(Ogre::Degree(m_yaw)));
+    m_node->pitch(Ogre::Radian(Ogre::Degree(m_pitch)));
+}
+
+void CameraNodeObject::setZoom(qreal z)
+{
+    m_zoom = z;
+    m_node->resetOrientation();
+    m_camera->setPosition(initialPosition * (1 / m_zoom));
+    updateRotation();
+}
-- 
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