Kstars

linelist.h
1/*
2 SPDX-FileCopyrightText: 2007 James B. Bowlin <bowlin@mindspring.com>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5*/
6
7#pragma once
8
9#include "typedef.h"
10
11#include <QList>
12
13class SkyPoint;
14class KSNumbers;
15
16/**
17 * @class LineList
18 * A simple data container used by LineListIndex. It contains a list of
19 * SkyPoints and integer drawID, updateID and updateNumID.
20 *
21 * @author James B. Bowlin
22 * @version 0.2
23*/
25{
26 public:
27 LineList() : drawID(0), updateID(0), updateNumID(0) {}
28 virtual ~LineList() = default;
29
30 /**
31 * @short return the list of points for iterating or appending (or whatever).
32 */
33 SkyList *points() { return &pointList; }
34 std::shared_ptr<SkyPoint> at(int i) { return pointList.at(i); }
35 void append(std::shared_ptr<SkyPoint> p) { pointList.append(p); }
36
37 /**
38 * A global drawID (in SkyMesh) is updated at the start of each draw
39 * cycle. Since an extended object is often covered by more than one
40 * trixel, the drawID is used to make sure each object gets drawn at
41 * most once per draw cycle. It is public because it is both set and
42 * read by the LineListIndex class.
43 */
44 DrawID drawID;
45 UpdateID updateID;
46 UpdateID updateNumID;
47
48 private:
49 SkyList pointList;
50};
There are several time-dependent values used in position calculations, that are not specific to an ob...
Definition ksnumbers.h:43
A simple data container used by LineListIndex.
Definition linelist.h:25
DrawID drawID
A global drawID (in SkyMesh) is updated at the start of each draw cycle.
Definition linelist.h:44
SkyList * points()
return the list of points for iterating or appending (or whatever).
Definition linelist.h:33
The sky coordinates of a point in the sky.
Definition skypoint.h:45
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