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50
51#include "scenemodifier.h"
52
53#include <QGuiApplication>
54
55#include <Qt3DRender/qcamera.h>
56#include <Qt3DCore/qentity.h>
57#include <Qt3DRender/qcameralens.h>
58
59#include <QtWidgets/QApplication>
60#include <QtWidgets/QWidget>
61#include <QtWidgets/QHBoxLayout>
62#include <QtWidgets/QCheckBox>
63#include <QtWidgets/QCommandLinkButton>
64#include <QtGui/QScreen>
65
66#include <Qt3DExtras/qtorusmesh.h>
67#include <Qt3DRender/qmesh.h>
68#include <Qt3DRender/qtechnique.h>
69#include <Qt3DRender/qmaterial.h>
70#include <Qt3DRender/qeffect.h>
71#include <Qt3DRender/qtexture.h>
72#include <Qt3DRender/qrenderpass.h>
73#include <Qt3DRender/qsceneloader.h>
74#include <Qt3DRender/qpointlight.h>
75
76#include <Qt3DCore/qtransform.h>
77#include <Qt3DCore/qaspectengine.h>
78
79#include <Qt3DRender/qrenderaspect.h>
80#include <Qt3DExtras/qforwardrenderer.h>
81
82#include <Qt3DExtras/qt3dwindow.h>
83#include <Qt3DExtras/qfirstpersoncameracontroller.h>
84
85int main(int argc, char **argv)
86{
87 QApplication app(argc, argv);
88 Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow();
89 view->defaultFrameGraph()->setClearColor(QColor(QRgb(0x4d4d4f)));
90 QWidget *container = QWidget::createWindowContainer(window: view);
91 QSize screenSize = view->screen()->size();
92 container->setMinimumSize(QSize(200, 100));
93 container->setMaximumSize(screenSize);
94
95 QWidget *widget = new QWidget;
96 QHBoxLayout *hLayout = new QHBoxLayout(widget);
97 QVBoxLayout *vLayout = new QVBoxLayout();
98 vLayout->setAlignment(Qt::AlignTop);
99 hLayout->addWidget(container, stretch: 1);
100 hLayout->addLayout(layout: vLayout);
101
102 widget->setWindowTitle(QStringLiteral("Basic shapes"));
103
104 // Root entity
105 Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
106
107 // Camera
108 Qt3DRender::QCamera *cameraEntity = view->camera();
109
110 cameraEntity->lens()->setPerspectiveProjection(fieldOfView: 45.0f, aspect: 16.0f/9.0f, nearPlane: 0.1f, farPlane: 1000.0f);
111 cameraEntity->setPosition(QVector3D(0, 0, 20.0f));
112 cameraEntity->setUpVector(QVector3D(0, 1, 0));
113 cameraEntity->setViewCenter(QVector3D(0, 0, 0));
114
115 Qt3DCore::QEntity *lightEntity = new Qt3DCore::QEntity(rootEntity);
116 Qt3DRender::QPointLight *light = new Qt3DRender::QPointLight(lightEntity);
117 light->setColor("white");
118 light->setIntensity(1);
119 lightEntity->addComponent(comp: light);
120 Qt3DCore::QTransform *lightTransform = new Qt3DCore::QTransform(lightEntity);
121 lightTransform->setTranslation(cameraEntity->position());
122 lightEntity->addComponent(comp: lightTransform);
123
124 // For camera controls
125 Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(rootEntity);
126 camController->setCamera(cameraEntity);
127
128 // Scenemodifier
129 SceneModifier *modifier = new SceneModifier(rootEntity);
130
131 // Set root object of the scene
132 view->setRootEntity(rootEntity);
133
134 // Create control widgets
135 QCommandLinkButton *info = new QCommandLinkButton();
136 info->setText(QStringLiteral("Qt3D ready-made meshes"));
137 info->setDescription(QString::fromLatin1(str: "Qt3D provides several ready-made meshes, like torus, cylinder, cone, "
138 "cube, plane and sphere."));
139 info->setIconSize(QSize(0,0));
140
141 QCheckBox *torusCB = new QCheckBox(widget);
142 torusCB->setChecked(true);
143 torusCB->setText(QStringLiteral("Torus"));
144
145 QCheckBox *coneCB = new QCheckBox(widget);
146 coneCB->setChecked(true);
147 coneCB->setText(QStringLiteral("Cone"));
148
149 QCheckBox *cylinderCB = new QCheckBox(widget);
150 cylinderCB->setChecked(true);
151 cylinderCB->setText(QStringLiteral("Cylinder"));
152
153 QCheckBox *cuboidCB = new QCheckBox(widget);
154 cuboidCB->setChecked(true);
155 cuboidCB->setText(QStringLiteral("Cuboid"));
156
157 QCheckBox *planeCB = new QCheckBox(widget);
158 planeCB->setChecked(true);
159 planeCB->setText(QStringLiteral("Plane"));
160
161 QCheckBox *sphereCB = new QCheckBox(widget);
162 sphereCB->setChecked(true);
163 sphereCB->setText(QStringLiteral("Sphere"));
164
165 vLayout->addWidget(info);
166 vLayout->addWidget(torusCB);
167 vLayout->addWidget(coneCB);
168 vLayout->addWidget(cylinderCB);
169 vLayout->addWidget(cuboidCB);
170 vLayout->addWidget(planeCB);
171 vLayout->addWidget(sphereCB);
172
173 QObject::connect(sender: torusCB, signal: &QCheckBox::stateChanged,
174 receiver: modifier, slot: &SceneModifier::enableTorus);
175 QObject::connect(sender: coneCB, signal: &QCheckBox::stateChanged,
176 receiver: modifier, slot: &SceneModifier::enableCone);
177 QObject::connect(sender: cylinderCB, signal: &QCheckBox::stateChanged,
178 receiver: modifier, slot: &SceneModifier::enableCylinder);
179 QObject::connect(sender: cuboidCB, signal: &QCheckBox::stateChanged,
180 receiver: modifier, slot: &SceneModifier::enableCuboid);
181 QObject::connect(sender: planeCB, signal: &QCheckBox::stateChanged,
182 receiver: modifier, slot: &SceneModifier::enablePlane);
183 QObject::connect(sender: sphereCB, signal: &QCheckBox::stateChanged,
184 receiver: modifier, slot: &SceneModifier::enableSphere);
185
186 torusCB->setChecked(true);
187 coneCB->setChecked(true);
188 cylinderCB->setChecked(true);
189 cuboidCB->setChecked(true);
190 planeCB->setChecked(true);
191 sphereCB->setChecked(true);
192
193 // Show window
194 widget->show();
195 widget->resize(w: 1200, h: 800);
196
197 return app.exec();
198}
199

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