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| |
| #include "qaxisalignedboundingbox_p.h" |
| |
| #include <QDebug> |
| #include <QMatrix4x4> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| void QAxisAlignedBoundingBox::update(const QVector<QVector3D> &points) |
| { |
| if (points.isEmpty()) { |
| m_center = QVector3D(); |
| m_radii = QVector3D(); |
| return; |
| } |
| |
| QVector3D minPoint = points.at( 0 ); |
| QVector3D maxPoint = points.at( 0 ); |
| |
| for (int i = 1; i < points.size(); ++i) |
| { |
| const QVector3D &point = points.at(i); |
| if (point.x() > maxPoint.x()) |
| maxPoint.setX(point.x()); |
| if (point.y() > maxPoint.y()) |
| maxPoint.setY(point.y()); |
| if (point.z() > maxPoint.z()) |
| maxPoint.setZ(point.z()); |
| if (point.x() < minPoint.x()) |
| minPoint.setX(point.x()); |
| if (point.y() < minPoint.y()) |
| minPoint.setY(point.y()); |
| if (point.z() < minPoint.z()) |
| minPoint.setZ(point.z()); |
| } |
| |
| m_center = 0.5 * (minPoint + maxPoint); |
| m_radii = 0.5 * (maxPoint - minPoint); |
| #if 0 |
| qDebug() << "AABB:"; |
| qDebug() << " min =" << minPoint; |
| qDebug() << " max =" << maxPoint; |
| qDebug() << " center =" << m_center; |
| qDebug() << " radii =" << m_radii; |
| #endif |
| } |
| |
| QDebug operator<<(QDebug dbg, const QAxisAlignedBoundingBox &c) |
| { |
| QDebugStateSaver saver(dbg); |
| dbg.nospace() << "AABB ( min:" << c.minPoint() << ", max:" << c.maxPoint() << ')'; |
| return dbg; |
| } |
| |
| } //namespace Qt3DRender |
| |
| QT_END_NAMESPACE |