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50
51#include <QApplication>
52#include <QPropertyAnimation>
53
54#include <Qt3DCore/QEntity>
55#include <Qt3DCore/QTransform>
56#include <Qt3DCore/QAspectEngine>
57
58#include <Qt3DRender/QCamera>
59#include <Qt3DRender/QCameraLens>
60#include <Qt3DRender/QRenderAspect>
61#include <Qt3DRender/QTexture>
62#include <Qt3DRender/QDirectionalLight>
63
64#include <Qt3DInput/QInputAspect>
65
66#include <Qt3DExtras/QForwardRenderer>
67#include <Qt3DExtras/QDiffuseMapMaterial>
68#include <Qt3DExtras/QCuboidMesh>
69#include <Qt3DExtras/QOrbitCameraController>
70#include <Qt3DExtras/Qt3DWindow>
71
72#include "videoplayer.h"
73
74Qt3DCore::QEntity *createScene(Qt3DExtras::Qt3DWindow *view, Qt3DRender::QAbstractTexture *diffuseTexture)
75{
76 // Root entity
77 Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
78
79 // Material
80 Qt3DExtras::QDiffuseMapMaterial *material = new Qt3DExtras::QDiffuseMapMaterial(rootEntity);
81 material->setDiffuse(diffuseTexture);
82 material->setAmbient(QColor(30, 30, 30));
83
84 // Sphere
85 Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
86 Qt3DExtras::QCuboidMesh *cuboidMesh = new Qt3DExtras::QCuboidMesh;
87 Qt3DCore::QTransform *transform = new Qt3DCore::QTransform;
88
89 transform->setRotationX(180);
90
91 QPropertyAnimation *cubeRotateTransformAnimation = new QPropertyAnimation(transform);
92 cubeRotateTransformAnimation->setTargetObject(transform);
93 cubeRotateTransformAnimation->setPropertyName("rotationY");
94 cubeRotateTransformAnimation->setStartValue(QVariant::fromValue(value: 0));
95 cubeRotateTransformAnimation->setEndValue(QVariant::fromValue(value: 360));
96 cubeRotateTransformAnimation->setDuration(10000);
97 cubeRotateTransformAnimation->setLoopCount(-1);
98 cubeRotateTransformAnimation->start();
99
100 sphereEntity->addComponent(comp: cuboidMesh);
101 sphereEntity->addComponent(comp: transform);
102 sphereEntity->addComponent(comp: material);
103
104 // Camera
105 Qt3DRender::QCamera *camera = view->camera();
106 camera->lens()->setPerspectiveProjection(fieldOfView: 45.0f, aspect: 16.0f/9.0f, nearPlane: 0.1f, farPlane: 1000.0f);
107 camera->setPosition(QVector3D(0, 0, -5.0f));
108 camera->setViewCenter(QVector3D(0, 0, 0));
109
110 // For camera controls
111 Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(rootEntity);
112 camController->setLinearSpeed( 50.0f );
113 camController->setLookSpeed( 180.0f );
114 camController->setCamera(camera);
115
116 Qt3DRender::QDirectionalLight *light = new Qt3DRender::QDirectionalLight();
117 light->setIntensity(0.8f);
118 light->setWorldDirection(camera->viewVector());
119 rootEntity->addComponent(comp: light);
120
121 return rootEntity;
122}
123
124int main(int argc, char* argv[])
125{
126 QSurfaceFormat format = QSurfaceFormat::defaultFormat();
127 format.setMajorVersion(4);
128 format.setMinorVersion(5);
129 format.setProfile(QSurfaceFormat::CoreProfile);
130 format.setRenderableType(QSurfaceFormat::OpenGL);
131 QSurfaceFormat::setDefaultFormat(format);
132
133 // Will make Qt3D and QOpenGLWidget share a common context
134 QApplication::setAttribute(attribute: Qt::AA_ShareOpenGLContexts);
135
136 QApplication app(argc, argv);
137
138 // Multimedia player
139 TextureWidget textureWidget;
140 VideoPlayer *videoPlayer = new VideoPlayer(&textureWidget);
141
142 textureWidget.resize(w: 800, h: 600);
143 textureWidget.show();
144
145 // Texture object that Qt3D uses to access the texture from the video player
146 Qt3DRender::QSharedGLTexture *sharedTexture = new Qt3DRender::QSharedGLTexture();
147
148 QObject::connect(sender: &textureWidget, signal: &TextureWidget::textureIdChanged,
149 receiver: sharedTexture, slot: &Qt3DRender::QSharedGLTexture::setTextureId);
150
151 // Qt3D Scene
152 Qt3DExtras::Qt3DWindow view;
153 Qt3DCore::QEntity *scene = createScene(view: &view, diffuseTexture: sharedTexture);
154 view.setRootEntity(scene);
155 view.show();
156
157 return app.exec();
158}
159

source code of qt3d/tests/manual/sharedtexture/main.cpp