picking-qml example added

Change-Id: I6b0acff59f98e5daf51ea3cf3ab028728c2dd2ae
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

4 files changed, 256 insertions, 0 deletions

diff --git a/examples/qt3d/picking-qml/main.cpp b/examples/qt3d/picking-qml/main.cpp
new file mode 100644
index 000000000..a9a64fa64
--- /dev/null
+++ b/examples/qt3d/picking-qml/main.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+
+#include <window.h>
+#include <Qt3DRender/QRenderAspect>
+#include <Qt3DInput/QInputAspect>
+#include <Qt3DQuick/QQmlAspectEngine>
+#include <QQmlContext>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+
+    Window view;
+    Qt3DCore::Quick::QQmlAspectEngine engine;
+
+    engine.aspectEngine()->registerAspect(new Qt3DRender::QRenderAspect());
+    engine.aspectEngine()->registerAspect(new Qt3DInput::QInputAspect());
+
+    QVariantMap data;
+    data.insert(QStringLiteral("surface"), QVariant::fromValue(static_cast<QSurface *>(&view)));
+    data.insert(QStringLiteral("eventSource"), QVariant::fromValue(&view));
+    engine.aspectEngine()->setData(data);
+    engine.aspectEngine()->initialize();
+    engine.qmlEngine()->rootContext()->setContextProperty("_view", &view);
+
+    engine.setSource(QUrl(QStringLiteral("qrc:/main.qml")));
+
+    view.show();
+
+    return app.exec();
+}
diff --git a/examples/qt3d/picking-qml/main.qml b/examples/qt3d/picking-qml/main.qml
new file mode 100644
index 000000000..644e0f306
--- /dev/null
+++ b/examples/qt3d/picking-qml/main.qml
@@ -0,0 +1,171 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import Qt3D.Core 2.0
+import Qt3D.Render 2.0
+import Qt3D.Input 2.0
+import QtQuick 2.0 as QQ2
+
+Entity {
+    id: sceneRoot
+
+    Camera {
+        id: camera
+        projectionType: CameraLens.PerspectiveProjection
+        fieldOfView: 45
+        aspectRatio: _view.width / _view.height
+        nearPlane : 0.1
+        farPlane : 1000.0
+        position: Qt.vector3d( 0.0, 0.0, -40.0 )
+        upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+        viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
+    }
+
+    Configuration {
+        controlledCamera: camera
+    }
+
+    components: FrameGraph {
+        ForwardRenderer {
+            camera: camera
+            clearColor: "black"
+        }
+    }
+
+    SphereMesh {
+        id: sphereMesh
+    }
+
+    Entity {
+        id: sphere1
+
+        property real scaleFactor: objectPicker.pressed ? 3.0 : 1.0
+        QQ2.Behavior on scaleFactor { QQ2.NumberAnimation { duration: 150; easing.type: QQ2.Easing.InQuad } }
+
+        property Transform transform: Transform {
+            Scale {
+                scale: sphere1.scaleFactor
+            }
+            Translate {
+                dx: -8
+            }
+        }
+
+        property Material material: PhongMaterial {
+            ambient: "green"
+            diffuse: "green"
+        }
+
+        property ObjectPicker objectPicker: ObjectPicker {
+            hoverEnabled: true
+
+            onPressed: sphere1.material.diffuse = "orange"
+            onReleased:  sphere1.material.diffuse = "green"
+
+            onEntered: sphere1.material.ambient = "blue"
+            onExited: sphere1.material.ambient = "green"
+
+            onClicked: console.log("Clicked Sphere 1")
+
+            pickAttribute: sphereMesh.geometry.positionAttribute
+        }
+
+        components: [sphereMesh, material, transform, objectPicker]
+    }
+
+    Entity {
+        id: sphere2
+
+        property Material material: PhongMaterial {
+            ambient: sphere2.objectPicker.containsMouse ? "blue" : "red"
+        }
+
+        property Transform transform: Transform {
+            Scale {
+                scale: 1.5
+            }
+        }
+
+        property ObjectPicker objectPicker: ObjectPicker {
+            hoverEnabled: true
+
+            onPressed: sphere2.material.diffuse = "white"
+            onReleased: sphere2.material.diffuse = "red"
+
+            onClicked: console.log("Clicked Sphere 2")
+
+            pickAttribute: sphereMesh.geometry.positionAttribute
+        }
+
+        components: [sphereMesh, material, transform, objectPicker]
+    }
+
+    Entity {
+        id: sphere3
+
+        property Material material: PhongMaterial {
+            diffuse: "yellow"
+        }
+
+        property bool toggled: false
+        property real scaleFactor: toggled ? 5.0 : 0.5
+        QQ2.Behavior on scaleFactor { QQ2.NumberAnimation { duration: 200; easing.type: QQ2.Easing.InQuad } }
+
+        property Transform transform: Transform {
+            Scale {
+                scale: sphere3.scaleFactor
+            }
+            Translate {
+                dx: 8
+            }
+        }
+
+        property ObjectPicker objectPicker: ObjectPicker {
+            hoverEnabled: false
+
+            onPressed: sphere3.toggled = !sphere3.toggled
+
+            onEntered: sphere3.material.ambient = "black"
+            onExited: sphere3.material.ambient = "white"
+
+            onClicked: console.log("Clicked Sphere 3")
+
+            pickAttribute: sphereMesh.geometry.positionAttribute
+        }
+
+        components: [sphereMesh, material, transform, objectPicker]
+    }
+}
diff --git a/examples/qt3d/picking-qml/picking-qml.pro b/examples/qt3d/picking-qml/picking-qml.pro
new file mode 100644
index 000000000..1954c7426
--- /dev/null
+++ b/examples/qt3d/picking-qml/picking-qml.pro
@@ -0,0 +1,13 @@
+!include( ../examples.pri ) {
+    error( "Couldn't find the examples.pri file!" )
+}
+
+QT += 3dcore 3drender 3dinput 3dquick qml quick
+
+SOURCES += main.cpp
+
+RESOURCES += \
+    picking-qml.qrc
+
+OTHER_FILES += \
+    main.qml
diff --git a/examples/qt3d/picking-qml/picking-qml.qrc b/examples/qt3d/picking-qml/picking-qml.qrc
new file mode 100644
index 000000000..5f6483ac3
--- /dev/null
+++ b/examples/qt3d/picking-qml/picking-qml.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>