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
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtQuick3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include "qglsphere.h"
#include "qglbuilder.h"
class tst_QGLSphere : public QObject
{
Q_OBJECT
public:
tst_QGLSphere() {}
~tst_QGLSphere() {}
private slots:
void create();
void modify();
void build();
private:
bool validateSphere(QGLSceneNode *node, qreal size);
};
void tst_QGLSphere::create()
{
QGLSphere sphere1;
QCOMPARE(sphere1.diameter(), qreal(1.0f));
QCOMPARE(sphere1.subdivisionDepth(), 5);
QGLSphere sphere2(27.5f);
QCOMPARE(sphere2.diameter(), qreal(27.5f));
QCOMPARE(sphere2.subdivisionDepth(), 5);
QGLSphere sphere3(20.5f, 4);
QCOMPARE(sphere3.diameter(), qreal(20.5f));
QCOMPARE(sphere3.subdivisionDepth(), 4);
}
void tst_QGLSphere::modify()
{
QGLSphere sphere1;
sphere1.setDiameter(5.0f);
sphere1.setSubdivisionDepth(4);
QCOMPARE(sphere1.diameter(), qreal(5.0f));
QCOMPARE(sphere1.subdivisionDepth(), 4);
}
// Validates the geometry in a sphere node to check that all vertices
// are on the surface of a sphere of diameter "size" and all normals
// are of length 1 and point directly out from the center.
bool tst_QGLSphere::validateSphere(QGLSceneNode *node, qreal size)
{
QGeometryData data = node->geometry();
int start = node->start();
int count = node->count();
if (count <= 0)
return false;
QGL::IndexArray indices = data.indices();
for (int index = 0; index < count; ++index) {
QVector3D v = data.vertexAt(indices.at(index + start));
QVector3D n = data.normalAt(indices.at(index + start));
if (qAbs(n.length() - 1.0f) >= 0.0001)
return false;
QVector3D v2 = n * size / 2.0f;
if (qAbs(v.x() - v2.x()) >= 0.0001 ||
qAbs(v.y() - v2.y()) >= 0.0001 ||
qAbs(v.z() - v2.z()) >= 0.0001)
return false;
}
return true;
}
void tst_QGLSphere::build()
{
QGLBuilder builder;
builder.newSection(QGL::Faceted);
QGLSceneNode *node1 = builder.newNode();
builder << QGLSphere(5.0f, 5);
QGLSceneNode *root = builder.finalizedSceneNode();
QVERIFY(validateSphere(node1, 5.0f));
delete root;
}
QTEST_APPLESS_MAIN(tst_QGLSphere)
#include "tst_qglsphere.moc"
|
