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39
40#include "qaxisalignedboundingbox_p.h"
41
42#include <QDebug>
43#include <QMatrix4x4>
44
45QT_BEGIN_NAMESPACE
46
47namespace Qt3DRender {
48
49void QAxisAlignedBoundingBox::update(const QVector<QVector3D> &points)
50{
51 if (points.isEmpty()) {
52 m_center = QVector3D();
53 m_radii = QVector3D();
54 return;
55 }
56
57 QVector3D minPoint = points.at( i: 0 );
58 QVector3D maxPoint = points.at( i: 0 );
59
60 for (int i = 1; i < points.size(); ++i)
61 {
62 const QVector3D &point = points.at(i);
63 if (point.x() > maxPoint.x())
64 maxPoint.setX(point.x());
65 if (point.y() > maxPoint.y())
66 maxPoint.setY(point.y());
67 if (point.z() > maxPoint.z())
68 maxPoint.setZ(point.z());
69 if (point.x() < minPoint.x())
70 minPoint.setX(point.x());
71 if (point.y() < minPoint.y())
72 minPoint.setY(point.y());
73 if (point.z() < minPoint.z())
74 minPoint.setZ(point.z());
75 }
76
77 m_center = 0.5 * (minPoint + maxPoint);
78 m_radii = 0.5 * (maxPoint - minPoint);
79#if 0
80 qDebug() << "AABB:";
81 qDebug() << " min =" << minPoint;
82 qDebug() << " max =" << maxPoint;
83 qDebug() << " center =" << m_center;
84 qDebug() << " radii =" << m_radii;
85#endif
86}
87
88QDebug operator<<(QDebug dbg, const QAxisAlignedBoundingBox &c)
89{
90 QDebugStateSaver saver(dbg);
91 dbg.nospace() << "AABB ( min:" << c.minPoint() << ", max:" << c.maxPoint() << ')';
92 return dbg;
93}
94
95} //namespace Qt3DRender
96
97QT_END_NAMESPACE
98

source code of qt3d/src/render/io/qaxisalignedboundingbox.cpp