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50
51#include <QCoreApplication>
52#include <Qt3DCore/Qt3DCore>
53#include <Qt3DExtras/Qt3DExtras>
54#include <Qt3DExtras/QExtrudedTextMesh>
55
56int main(int argc, char *argv[])
57{
58 QGuiApplication a(argc, argv);
59 Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow();
60 view->setTitle(QStringLiteral("3D Text CPP"));
61 view->defaultFrameGraph()->setClearColor(QColor(210, 210, 220));
62
63 auto *root = new Qt3DCore::QEntity();
64
65 { // plane
66 auto *plane = new Qt3DCore::QEntity(root);
67 auto *planeMesh = new Qt3DExtras::QPlaneMesh();
68 auto *planeTransform = new Qt3DCore::QTransform();
69 auto *planeMaterial = new Qt3DExtras::QPhongMaterial(root);
70 planeMesh->setWidth(10); planeMesh->setHeight(10);
71 planeTransform->setTranslation(QVector3D(0, 0, 0));
72 planeMaterial->setDiffuse(QColor(150, 150, 150));
73
74 plane->addComponent(planeMaterial);
75 plane->addComponent(planeMesh);
76 plane->addComponent(planeTransform);
77 }
78
79 auto *textMaterial = new Qt3DExtras::QPhongMaterial(root);
80 { // text
81 int i = 0;
82 const QStringList fonts = QFontDatabase().families();
83
84 for (const QString &family : fonts)
85 {
86 auto *text = new Qt3DCore::QEntity(root);
87 auto *textMesh = new Qt3DExtras::QExtrudedTextMesh();
88
89 auto *textTransform = new Qt3DCore::QTransform();
90 QFont font(family, 32, -1, false);
91 textTransform->setTranslation(QVector3D(-2.45f, i * .5f, 0));
92 textTransform->setScale(.2f);
93 textMesh->setDepth(.45f);
94 textMesh->setFont(font);
95 textMesh->setText(family);
96 textMaterial->setDiffuse(QColor(111, 150, 255));
97
98 text->addComponent(textMaterial);
99 text->addComponent(textMesh);
100 text->addComponent(textTransform);
101
102 i++;
103 }
104 }
105
106 { // camera
107 float aspect = static_cast<float>(view->screen()->size().width()) / view->screen()->size().height();
108 Qt3DRender::QCamera *camera = view->camera();
109 camera->lens()->setPerspectiveProjection(65.f, aspect, 0.1f, 100.f);
110 camera->setPosition(QVector3D(0, 5, 3));
111 camera->setViewCenter(QVector3D(0, 5, 0));
112
113 auto *cameraController = new Qt3DExtras::QOrbitCameraController(root);
114 cameraController->setCamera(camera);
115 }
116
117 view->setRootEntity(root);
118 view->show();
119
120 return a.exec();
121}
122