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
|
/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "entity.h"
#include <QGuiApplication>
#include <QPropertyAnimation>
#include <QUrl>
#include <QTimer>
#include <Qt3DCore/QEntity>
#include <Qt3DRender/QCamera>
#include <Qt3DCore/QTransform>
#include <Qt3DCore/qaspectengine.h>
#include <Qt3DInput/QInputAspect>
#include <Qt3DRender/QParameter>
#include <Qt3DRender/QFrameGraph>
#include <Qt3DRender/QCylinderMesh>
#include <Qt3DRender/QRenderAspect>
#include <Qt3DRender/QCameraSelector>
#include <Qt3DRender/QPhongMaterial>
#include <Qt3DRender/QForwardRenderer>
#include <qmath.h>
#include "qt3dwindow.h"
#include "qfirstpersoncameracontroller.h"
using namespace Qt3DCore;
using namespace Qt3DRender;
int main(int ac, char **av)
{
QGuiApplication app(ac, av);
Qt3DWindow view;
view.defaultFramegraph()->setClearColor(Qt::black);
QEntity *root = new QEntity();
// Camera
QCamera *cameraEntity = view.camera();
cameraEntity->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
cameraEntity->setPosition(QVector3D(0, 250.0f, 50.0f));
cameraEntity->setUpVector(QVector3D(0, 1, 0));
cameraEntity->setViewCenter(QVector3D(0, 0, 0));
// For camera controls
Qt3DInput::QFirstPersonCameraController *camController = new Qt3DInput::QFirstPersonCameraController(root);
camController->setCamera(cameraEntity);
const float radius = 100.0f;
const int max = 1000;
const float det = 1.0f / max;
// Scene
for (int i = 0; i < max; i++) {
Entity *e = new Entity();
const float angle = M_PI * 2.0f * i * det * 10.;
e->setDiffuseColor(QColor(qFabs(qCos(angle)) * 255, 204, 75));
e->setPosition(QVector3D(radius * qCos(angle), -200.* i * det, radius * qSin(angle)));
e->setTheta(30.0f * i);
e->setPhi(45.0f * i);
QPropertyAnimation *animX = new QPropertyAnimation(e, QByteArrayLiteral("theta"));
animX->setDuration(2400 * (i + 1));
animX->setStartValue(QVariant::fromValue(i * 30.0f));
animX->setEndValue(QVariant::fromValue((i + 1) * 390.0f));
animX->setLoopCount(-1);
animX->start();
QPropertyAnimation *animZ = new QPropertyAnimation(e, QByteArrayLiteral("phi"));
animZ->setDuration(2400 * (i + 1));
animZ->setStartValue(QVariant::fromValue(i * 20.0f));
animZ->setEndValue(QVariant::fromValue((i + 1) * 380.0f));
animZ->setLoopCount(-1);
animZ->start();
e->setParent(root);
}
view.setRootEntity(root);
view.show();
if (app.arguments().contains(("--bench")))
QTimer::singleShot(25 * 1000, &app, &QCoreApplication::quit);
return app.exec();
}
|