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39 | |
40 | #include "qaxisalignedboundingbox_p.h" |
41 | |
42 | #include <QDebug> |
43 | #include <QMatrix4x4> |
44 | |
45 | QT_BEGIN_NAMESPACE |
46 | |
47 | namespace Qt3DRender { |
48 | |
49 | void 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 | |
88 | QDebug 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 | |
97 | QT_END_NAMESPACE |
98 | |