1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QApplication>
#include <QWidget>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QCheckBox>
#include <Qt3DCore/QEntity>
#include <Qt3DCore/QTransform>
#include <Qt3DRender/QCamera>
#include <Qt3DRender/QRenderCapture>
#include <Qt3DRender/QGeometryRenderer>
#include <Qt3DExtras/QPhongMaterial>
#include <Qt3DExtras/QSphereMesh>
#include <Qt3DExtras/QTorusMesh>
#include <QPropertyAnimation>
#include "qt3dwindow.h"
#include "orbittransformcontroller.h"
#include "qorbitcameracontroller.h"
#include "mycapture.h"
Qt3DCore::QEntity *createScene()
{
// Root entity
Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
// Material
Qt3DRender::QMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);
// Torus
Qt3DCore::QEntity *torusEntity = new Qt3DCore::QEntity(rootEntity);
Qt3DExtras::QTorusMesh *torusMesh = new Qt3DExtras::QTorusMesh;
torusMesh->setRadius(5);
torusMesh->setMinorRadius(1);
torusMesh->setRings(100);
torusMesh->setSlices(20);
Qt3DCore::QTransform *torusTransform = new Qt3DCore::QTransform;
torusTransform->setScale3D(QVector3D(1.5, 1, 0.5));
torusTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 45.0f));
torusEntity->addComponent(torusMesh);
torusEntity->addComponent(torusTransform);
torusEntity->addComponent(material);
// Sphere
Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
Qt3DExtras::QSphereMesh *sphereMesh = new Qt3DExtras::QSphereMesh;
sphereMesh->setRadius(3);
Qt3DCore::QTransform *sphereTransform = new Qt3DCore::QTransform;
OrbitTransformController *controller = new OrbitTransformController(sphereTransform);
controller->setTarget(sphereTransform);
controller->setRadius(20.0f);
QPropertyAnimation *sphereRotateTransformAnimation = new QPropertyAnimation(sphereTransform);
sphereRotateTransformAnimation->setTargetObject(controller);
sphereRotateTransformAnimation->setPropertyName("angle");
sphereRotateTransformAnimation->setStartValue(QVariant::fromValue(0));
sphereRotateTransformAnimation->setEndValue(QVariant::fromValue(360));
sphereRotateTransformAnimation->setDuration(10000);
sphereRotateTransformAnimation->setLoopCount(-1);
sphereRotateTransformAnimation->start();
sphereEntity->addComponent(sphereMesh);
sphereEntity->addComponent(sphereTransform);
sphereEntity->addComponent(material);
return rootEntity;
}
int main(int argc, char* argv[])
{
QApplication app(argc, argv);
Qt3DExtras::Qt3DWindow view;
Qt3DCore::QEntity *scene = createScene();
view.setRootEntity(scene);
view.resize(600, 600);
Qt3DRender::QRenderCapture* capture = new Qt3DRender::QRenderCapture;
view.activeFrameGraph()->setParent(capture);
view.setActiveFrameGraph(capture);
// Camera
Qt3DRender::QCamera *camera = view.camera();
camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
camera->setPosition(QVector3D(0, 0, 40.0f));
camera->setViewCenter(QVector3D(0, 0, 0));
// For camera controls
Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(scene);
camController->setLinearSpeed( 50.0f );
camController->setLookSpeed( 180.0f );
camController->setCamera(camera);
QWidget *container = QWidget::createWindowContainer(&view);
container->setMinimumSize(QSize(600, 600));
container->setMaximumSize(QSize(600, 600));
QPushButton *captureButton = new QPushButton();
captureButton->setText("Capture");
QCheckBox *checkBox = new QCheckBox();
checkBox->setText("continuous");
QLabel *imageLabel = new QLabel();
imageLabel->setBackgroundRole(QPalette::Base);
imageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
imageLabel->setScaledContents(true);
imageLabel->resize(600, 600);
imageLabel->setMinimumSize(QSize(600, 600));
imageLabel->setMaximumSize(QSize(600, 600));
MyCapture myc(capture, imageLabel);
QObject::connect(captureButton, &QPushButton::pressed, &myc, &MyCapture::capture);
QObject::connect(checkBox, &QCheckBox::clicked, &myc, &MyCapture::setContinuous);
// create widget
QWidget *widget = new QWidget;
widget->setWindowTitle(QStringLiteral("RenderCapture example"));
QWidget* subWidget = new QWidget;
QVBoxLayout *vLayout = new QVBoxLayout(subWidget);
vLayout->addWidget(captureButton);
vLayout->addWidget(checkBox);
vLayout->addWidget(imageLabel);
QHBoxLayout *hLayout = new QHBoxLayout(widget);
hLayout->addWidget(container);
hLayout->addWidget(subWidget);
// Show window
widget->show();
widget->resize(1250, 700);
return app.exec();
}
|
