mirror of https://github.com/qt/qt3d.git
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QApplication>
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#include <QPropertyAnimation>
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#include <Qt3DCore/QEntity>
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#include <Qt3DCore/QTransform>
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#include <Qt3DCore/QAspectEngine>
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#include <Qt3DRender/QCamera>
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#include <Qt3DRender/QCameraLens>
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#include <Qt3DRender/QRenderAspect>
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#include <Qt3DRender/QTexture>
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#include <Qt3DRender/QDirectionalLight>
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#include <Qt3DRender/QGeometryRenderer>
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#include <Qt3DInput/QInputAspect>
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#include <Qt3DExtras/QForwardRenderer>
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#include <Qt3DExtras/QDiffuseMapMaterial>
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#include <Qt3DExtras/QCuboidMesh>
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#include <Qt3DExtras/QOrbitCameraController>
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#include <Qt3DExtras/Qt3DWindow>
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#include "videoplayer.h"
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Qt3DCore::QEntity *createScene(Qt3DExtras::Qt3DWindow *view, Qt3DRender::QAbstractTexture *diffuseTexture)
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{
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// Root entity
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Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
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// Material
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Qt3DExtras::QDiffuseMapMaterial *material = new Qt3DExtras::QDiffuseMapMaterial(rootEntity);
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material->setDiffuse(diffuseTexture);
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material->setAmbient(QColor(30, 30, 30));
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// Sphere
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Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
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Qt3DExtras::QCuboidMesh *cuboidMesh = new Qt3DExtras::QCuboidMesh;
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Qt3DCore::QTransform *transform = new Qt3DCore::QTransform;
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transform->setRotationX(180);
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QPropertyAnimation *cubeRotateTransformAnimation = new QPropertyAnimation(transform);
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cubeRotateTransformAnimation->setTargetObject(transform);
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cubeRotateTransformAnimation->setPropertyName("rotationY");
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cubeRotateTransformAnimation->setStartValue(QVariant::fromValue(0));
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cubeRotateTransformAnimation->setEndValue(QVariant::fromValue(360));
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cubeRotateTransformAnimation->setDuration(10000);
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cubeRotateTransformAnimation->setLoopCount(-1);
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cubeRotateTransformAnimation->start();
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sphereEntity->addComponent(cuboidMesh);
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sphereEntity->addComponent(transform);
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sphereEntity->addComponent(material);
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// Camera
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Qt3DRender::QCamera *camera = view->camera();
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camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
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camera->setPosition(QVector3D(0, 0, -5.0f));
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camera->setViewCenter(QVector3D(0, 0, 0));
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// For camera controls
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Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(rootEntity);
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camController->setLinearSpeed( 50.0f );
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camController->setLookSpeed( 180.0f );
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camController->setCamera(camera);
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Qt3DRender::QDirectionalLight *light = new Qt3DRender::QDirectionalLight();
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light->setIntensity(0.8f);
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light->setWorldDirection(camera->viewVector());
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rootEntity->addComponent(light);
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return rootEntity;
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}
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int main(int argc, char* argv[])
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{
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QSurfaceFormat format = QSurfaceFormat::defaultFormat();
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format.setMajorVersion(4);
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format.setMinorVersion(5);
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format.setProfile(QSurfaceFormat::CoreProfile);
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format.setRenderableType(QSurfaceFormat::OpenGL);
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QSurfaceFormat::setDefaultFormat(format);
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// Will make Qt3D and QOpenGLWidget share a common context
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QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
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QApplication app(argc, argv);
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// Multimedia player
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TextureWidget textureWidget;
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VideoPlayer *videoPlayer = new VideoPlayer(&textureWidget);
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textureWidget.resize(800, 600);
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textureWidget.show();
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// Texture object that Qt3D uses to access the texture from the video player
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Qt3DRender::QSharedGLTexture *sharedTexture = new Qt3DRender::QSharedGLTexture();
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QObject::connect(&textureWidget, &TextureWidget::textureIdChanged,
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sharedTexture, &Qt3DRender::QSharedGLTexture::setTextureId);
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// Qt3D Scene
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Qt3DExtras::Qt3DWindow view;
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Qt3DCore::QEntity *scene = createScene(&view, sharedTexture);
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view.setRootEntity(scene);
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view.show();
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return app.exec();
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}
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