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528c8a63bf
The list of vertices just kept growing and growing (and we didn't even need another copy!)
100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
/***************************************************************************
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qgschunkboundsentity_p.h
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--------------------------------------
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Date : July 2017
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Copyright : (C) 2017 by Martin Dobias
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Email : wonder dot sk at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSCHUNKBOUNDSENTITY_P_H
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#define QGSCHUNKBOUNDSENTITY_P_H
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///@cond PRIVATE
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the QGIS API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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#include <Qt3DCore/QEntity>
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#include <Qt3DRender/QAttribute>
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#include <Qt3DRender/QGeometry>
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#include <QVector3D>
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#include <Qt3DRender/QGeometryRenderer>
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class QgsAABB;
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class AABBMesh;
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/**
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* \ingroup 3d
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* Draws bounds of axis aligned bounding boxes
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* \since QGIS 3.0
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*/
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class QgsChunkBoundsEntity : public Qt3DCore::QEntity
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{
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Q_OBJECT
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public:
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//! Constructs the entity
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QgsChunkBoundsEntity( Qt3DCore::QNode *parent = nullptr );
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//! Sets a list of bounding boxes to be rendered by the entity
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void setBoxes( const QList<QgsAABB> &bboxes );
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private:
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AABBMesh *mAabbMesh = nullptr;
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};
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class LineMeshGeometry : public Qt3DRender::QGeometry
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{
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Q_OBJECT
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public:
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LineMeshGeometry( Qt3DCore::QNode *parent = nullptr );
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int vertexCount()
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{
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return mVertexCount;
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}
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void setVertices( const QList<QVector3D> &vertices );
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private:
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Qt3DRender::QAttribute *mPositionAttribute = nullptr;
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Qt3DRender::QBuffer *mVertexBuffer = nullptr;
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int mVertexCount = 0;
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};
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//! Geometry renderer for axis aligned bounding boxes - draws a box edges as lines
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class AABBMesh : public Qt3DRender::QGeometryRenderer
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{
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Q_OBJECT
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public:
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AABBMesh( Qt3DCore::QNode *parent = nullptr );
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void setBoxes( const QList<QgsAABB> &bboxes );
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private:
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LineMeshGeometry *mLineMeshGeo = nullptr;
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};
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/// @endcond
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#endif // QGSCHUNKBOUNDSENTITY_P_H
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