Qt3D C++ API example

At the moment, this example needs to be compiles against the QML module.
In the future a Window dedicated to C++ scenes without QML dependencies
could solve that issue.

Change-Id: I22624d275ff345c581dd1070f6598aabc0a4e40e
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 116 insertions, 0 deletions

diff --git a/examples/cpp_example/main.cpp b/examples/cpp_example/main.cpp
new file mode 100644
index 000000000..f822d73fd
--- /dev/null
+++ b/examples/cpp_example/main.cpp
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+/****************************************************************************
+**
+** 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 <QGuiApplication>
+#include <QtQml>
+
+#include <exampleresources.h>
+
+#include <window.h>
+#include <scene.h>
+#include <entity.h>
+#include <camera.h>
+#include <shape.h>
+#include <mesh.h>
+#include <technique.h>
+#include <material.h>
+#include <effect.h>
+#include <translatetransform.h>
+#include <matrixtransform.h>
+#include <rotatetransform.h>
+#include <texture.h>
+#include <renderpass.h>
+#include <renderpassfilter.h>
+#include <techniquefilter.h>
+#include <viewport.h>
+#include <cameraselector.h>
+
+int main(int ac, char **av)
+{
+    QGuiApplication app(ac, av);
+
+    initializeAssetResources("../exampleresources/example-assets.qrb");
+
+    qmlRegisterType<Qt3D::Node>("Qt3D", 2, 0, "Node");
+    qmlRegisterType<Qt3D::Entity>("Qt3D", 2, 0, "Entity");
+
+    qmlRegisterType<Qt3D::MatrixTransform>("Qt3D", 2, 0, "MatrixTransform");
+
+    Qt3D::Window view;
+
+    Qt3D::Entity *rootEntity = new Qt3D::Entity();
+    Qt3D::Scene  *scene = new Qt3D::Scene();
+
+    Qt3D::Entity *torusEntity = new Qt3D::Entity();
+    Qt3D::Mesh *torusMesh = new Qt3D::Mesh();
+    Qt3D::Shape *torus = new Qt3D::Shape();
+
+    torus->setType(Qt3D::Shape::ShapeTorus);
+    torus->setRadius(40);
+    torus->setMinorRadius(15);
+
+    torusMesh->setData(torus->data());
+    torusEntity->addComponent(torusMesh);
+
+    Qt3D::TranslateTransform *torusTranslation = new Qt3D::TranslateTransform();
+    Qt3D::RotateTransform *torusRotation = new Qt3D::RotateTransform();
+
+    torusTranslation->setTranslation(QVector3D(2.5f, 3.5f, 2.0f));
+    torusRotation->setAxis(QVector3D(1, 0, 0));
+    torusRotation->setAngleDeg(35.0f);
+
+    torusEntity->appendTransfrom(torusTranslation);
+    torusEntity->appendTransfrom(torusRotation);
+
+    scene->setSource(":/assets/gltf/wine/wine.json");
+
+    // Build Node Tree
+    scene->addChild(torusEntity);
+    rootEntity->addChild(scene);
+
+    // Set root object of the scene
+    view.setRootObject(rootEntity);
+
+    // Show window
+    view.show();
+
+    return app.exec();
+}