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50
51#include <QGuiApplication>
52
53#include <Qt3DCore/QEntity>
54#include <Qt3DRender/QCamera>
55#include <Qt3DRender/QCameraLens>
56#include <Qt3DCore/QTransform>
57#include <Qt3DCore/QAspectEngine>
58
59#include <Qt3DInput/QInputAspect>
60
61#include <Qt3DRender/QRenderAspect>
62#include <Qt3DExtras/QForwardRenderer>
63#include <Qt3DExtras/QPhongMaterial>
64#include <Qt3DExtras/QCylinderMesh>
65#include <Qt3DExtras/QSphereMesh>
66#include <Qt3DExtras/QTorusMesh>
67
68#include <QPropertyAnimation>
69
70#include "qt3dwindow.h"
71#include "orbittransformcontroller.h"
72#include "qorbitcameracontroller.h"
73
74Qt3DCore::QEntity *createScene()
75{
76 // Root entity
77 Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
78
79 // Material
80 Qt3DRender::QMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);
81
82 // Torus
83 Qt3DCore::QEntity *torusEntity = new Qt3DCore::QEntity(rootEntity);
84 Qt3DExtras::QTorusMesh *torusMesh = new Qt3DExtras::QTorusMesh;
85 torusMesh->setRadius(5);
86 torusMesh->setMinorRadius(1);
87 torusMesh->setRings(100);
88 torusMesh->setSlices(20);
89
90 Qt3DCore::QTransform *torusTransform = new Qt3DCore::QTransform;
91 torusTransform->setScale3D(QVector3D(1.5, 1, 0.5));
92 torusTransform->setRotation(QQuaternion::fromAxisAndAngle(axis: QVector3D(1, 0, 0), angle: 45.0f));
93
94 torusEntity->addComponent(comp: torusMesh);
95 torusEntity->addComponent(comp: torusTransform);
96 torusEntity->addComponent(comp: material);
97
98 // Sphere
99 Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
100 Qt3DExtras::QSphereMesh *sphereMesh = new Qt3DExtras::QSphereMesh;
101 sphereMesh->setRadius(3);
102 sphereMesh->setGenerateTangents(true);
103
104 Qt3DCore::QTransform *sphereTransform = new Qt3DCore::QTransform;
105 OrbitTransformController *controller = new OrbitTransformController(sphereTransform);
106 controller->setTarget(sphereTransform);
107 controller->setRadius(20.0f);
108
109 QPropertyAnimation *sphereRotateTransformAnimation = new QPropertyAnimation(sphereTransform);
110 sphereRotateTransformAnimation->setTargetObject(controller);
111 sphereRotateTransformAnimation->setPropertyName("angle");
112 sphereRotateTransformAnimation->setStartValue(QVariant::fromValue(value: 0));
113 sphereRotateTransformAnimation->setEndValue(QVariant::fromValue(value: 360));
114 sphereRotateTransformAnimation->setDuration(10000);
115 sphereRotateTransformAnimation->setLoopCount(-1);
116 sphereRotateTransformAnimation->start();
117
118 sphereEntity->addComponent(comp: sphereMesh);
119 sphereEntity->addComponent(comp: sphereTransform);
120 sphereEntity->addComponent(comp: material);
121
122 return rootEntity;
123}
124
125int main(int argc, char* argv[])
126{
127 QGuiApplication app(argc, argv);
128 Qt3DExtras::Qt3DWindow view;
129
130 Qt3DCore::QEntity *scene = createScene();
131
132 // Camera
133 Qt3DRender::QCamera *camera = view.camera();
134 camera->lens()->setPerspectiveProjection(fieldOfView: 45.0f, aspect: 16.0f/9.0f, nearPlane: 0.1f, farPlane: 1000.0f);
135 camera->setPosition(QVector3D(0, 0, 40.0f));
136 camera->setViewCenter(QVector3D(0, 0, 0));
137
138 // For camera controls
139 Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(scene);
140 camController->setLinearSpeed( 50.0f );
141 camController->setLookSpeed( 180.0f );
142 camController->setCamera(camera);
143
144 view.setRootEntity(scene);
145 view.show();
146
147 return app.exec();
148}
149

source code of qt3d/examples/qt3d/simple-cpp/main.cpp