Added multiviewport example

Change-Id: I04f20d6c46891ebd3a7b550c181a3e554f30a384
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

5 files changed, 269 insertions, 1 deletions

diff --git a/examples/examples.pro b/examples/examples.pro
index 082aee4b7..36dfa6a90 100644
--- a/examples/examples.pro
+++ b/examples/examples.pro
@@ -5,7 +5,8 @@ SUBDIRS += \
     simple-qml \
     gltf \
     assimp \
-    cpp_example
+    cpp_example \
+    multiviewport
 
 # TODO Port the old examples to new APIs
 #SUBDIRS += qt3d
diff --git a/examples/multiviewport/main.cpp b/examples/multiviewport/main.cpp
new file mode 100644
index 000000000..da179b92c
--- /dev/null
+++ b/examples/multiviewport/main.cpp
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <Qt3DQuick/quickwindow.h>
+#include <Qt3DRenderer/rendereraspect.h>
+
+#include <exampleresources.h>
+
+#include <QGuiApplication>
+
+int main(int ac, char **av)
+{
+    QGuiApplication app(ac, av);
+    Qt3D::Quick::QuickWindow win;
+
+    initializeAssetResources("../exampleresources/example-assets.qrb");
+    win.registerAspect(new Qt3D::RendererAspect);
+    win.setSource(QUrl("qrc:/main.qml"));
+    win.show();
+
+    return app.exec();
+}
+
+
diff --git a/examples/multiviewport/main.qml b/examples/multiviewport/main.qml
new file mode 100644
index 000000000..a1e301788
--- /dev/null
+++ b/examples/multiviewport/main.qml
@@ -0,0 +1,184 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import Qt3D 2.0
+import Qt3D.Render 2.0
+
+
+Node {
+    id : rootNode
+
+    CameraLens {
+        id : cameraLens
+        projectionType: CameraLens.PerspectiveProjection
+        fieldOfView: 45
+        aspectRatio: 16/9
+        nearPlane : 0.01
+        farPlane : 1000.0
+    } // cameraLens
+
+    Entity {
+        id : sceneRoot
+        components: [frameGraph]
+        property real rotationAngle : 0
+
+        SequentialAnimation {
+            running : true
+            loops: Animation.Infinite
+            NumberAnimation {target : sceneRoot; property : "rotationAngle"; to : 360; duration : 2000;}
+        }
+
+        FrameGraph {
+            id : frameGraph
+            activeFrameGraph: Viewport {
+                id : mainViewport
+                rect: Qt.rect(0, 0, 1, 1)
+
+                property var cameras : [cameraViewport1, cameraViewport2, cameraViewport3, cameraViewport4]
+
+                Timer {
+                    running : true
+                    interval : 2000
+                    repeat : true
+                    property int count : 0
+                    onTriggered:
+                    {
+                        cameraSelectorTopLeftViewport.camera = mainViewport.cameras[count++ % 4];
+                        cameraSelectorTopRightViewport.camera = mainViewport.cameras[count % 4];
+                        cameraSelectorBottomLeftViewport.camera = mainViewport.cameras[(count + 1) % 4];
+                        cameraSelectorBottomRightViewport.camera = mainViewport.cameras[(count + 2) % 4];
+                    }
+                }
+
+                Viewport {
+                    id : topLeftViewport
+                    rect : Qt.rect(0, 0, 0.5, 0.5)
+                    CameraSelector {id : cameraSelectorTopLeftViewport; camera : mainViewport.cameras[0]}
+                }
+
+                Viewport {
+                    id : topRightViewport
+                    rect : Qt.rect(0.5, 0, 0.5, 0.5)
+                    CameraSelector {id : cameraSelectorTopRightViewport;camera : mainViewport.cameras[1]}
+                }
+
+                Viewport {
+                    id : bottomLeftViewport
+                    rect : Qt.rect(0, 0.5, 0.5, 0.5)
+                    CameraSelector {id : cameraSelectorBottomLeftViewport; camera : mainViewport.cameras[2]}
+                }
+
+                Viewport {
+                    id : bottomRightViewport
+                    rect : Qt.rect(0.5, 0.5, 0.5, 0.5)
+                    CameraSelector {id : cameraSelectorBottomRightViewport; camera : mainViewport.cameras[3]}
+                }
+            } // mainViewport
+        } // frameGraph
+
+        Entity {
+            id : cameraViewport1
+            property Transform transform : Transform {
+                LookAt {
+                    position: Qt.vector3d( 0.0, 0.0, -10.0 )
+                    upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+                    viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
+                }
+            }
+            components : [cameraLens, transform]
+        }
+
+        Entity {
+            id : cameraViewport2
+            property Transform transform : Transform {
+                Rotate {
+                    angle : sceneRoot.rotationAngle
+                    axis : Qt.vector3d(0, 1, 0)
+                }
+                LookAt {
+                    position: Qt.vector3d( 0.0, 0.0, 20.0 )
+                    upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+                    viewCenter: Qt.vector3d( 5.0, 0.0, 10.0 )
+                }
+            }
+            components : [cameraLens, transform]
+        }
+
+        Entity {
+            id : cameraViewport3
+            property Transform transform : Transform {
+                LookAt {
+                    position: Qt.vector3d( 0.0, 0.0, -20.0 )
+                    upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+                    viewCenter: Qt.vector3d( -5.0, 0.0, -10.0 )
+                }
+            }
+            components : [cameraLens, transform]
+        }
+
+        Entity {
+            id : cameraViewport4
+            property Transform transform : Transform {
+                LookAt {
+                    position: Qt.vector3d( 0.0, 5.0, -20.0 )
+                    upVector: Qt.vector3d( 0.0, 0.0, 1.0 )
+                    viewCenter: Qt.vector3d( 0.0, 30.0, 20.0 )
+                }
+            }
+            components : [cameraLens, transform]
+        }
+
+
+        Scene {
+            id: scene
+            source: ":/assets/test_scene.dae"
+            components : [Transform {
+                    Rotate {
+                        angle : -sceneRoot.rotationAngle
+                        axis : Qt.vector3d(0, 0, 1)
+                    }
+                }]
+        }
+
+    } // sceneRoot
+
+} // rootNode
diff --git a/examples/multiviewport/multiviewport.pro b/examples/multiviewport/multiviewport.pro
new file mode 100644
index 000000000..237c4bbbb
--- /dev/null
+++ b/examples/multiviewport/multiviewport.pro
@@ -0,0 +1,16 @@
+TEMPLATE = app
+
+QT += 3dcore 3drenderer 3dquick qml quick
+
+include("../exampleresources/exampleresources.pri")
+
+HEADERS += \
+
+SOURCES += \
+    main.cpp
+
+OTHER_FILES += \
+    main.qml
+
+RESOURCES += \
+    multiviewport.qrc
diff --git a/examples/multiviewport/multiviewport.qrc b/examples/multiviewport/multiviewport.qrc
new file mode 100644
index 000000000..5f6483ac3
--- /dev/null
+++ b/examples/multiviewport/multiviewport.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>