ccPointPair.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <GenericIndexedCloudPersist.h>
#include <ecvCone.h>
#include <ecvCylinder.h>
#include <ecvPointCloud.h>
#include <ecvPolyline.h>
#include <ecvSphere.h>
 
#include "ccMeasurement.h"
 
/*
Template class, based around ccPolyline, that measurements comprising individual
or pairs of points can derive from.
*/
class ccPointPair : public ccPolyline, public ccMeasurement {
public:
    ccPointPair(ccPointCloud* associatedCloud);
    ccPointPair(ccPolyline* obj);  // used to construct from a polyline with the
                                   // correct data
 
    virtual ~ccPointPair() {}
 
    virtual void updateMetadata() {};
 
    // get the direction of this pair (not normalized)
    CCVector3 getDirection();
 
protected:
    // size that the point-markers are drawn
    float m_relMarkerScale = 5.0f;
 
    // overidden from ccHObject
    virtual void drawMeOnly(CC_DRAW_CONTEXT& context) override;
 
    // static functions
public:
    // returns true if object is/was a ccPointPair (as defined by its MetaData)
    static bool isPointPair(ccHObject* object);
};