/// <summary>
///
/// </summary>
/// <param name="star"></param>
public void AddStar(StarBufferIndex star)
{
Sector current = _root;
while (current.HasSubdivided)
{
current = current.GetAppropriateChildSector(star);
}
_allStars.Add(star);
current.AddStar(star);
}
/// <summary>
///
/// </summary>
/// <param name="star"></param>
/// <returns></returns>
public Sector GetAppropriateChildSector(StarBufferIndex star)
{
if (star.Buffer[star.Index].X < _averageX)
{
if (star.Buffer[star.Index].Y < _averageY)
{
if (star.Buffer[star.Index].Z < _averageZ)
{
return _children[(int)SectorName.BottomLeftBack];
}
else
{
return _children[(int)SectorName.BottomLeftFront];
}
}
else
{
if (star.Buffer[star.Index].Z < _averageZ)
{
return _children[(int)SectorName.TopLeftBack];
}
else
{
return _children[(int)SectorName.TopLeftFront];
}
}
}
else
{
if (star.Buffer[star.Index].Y < _averageY)
{
if (star.Buffer[star.Index].Z < _averageZ)
{
return _children[(int)SectorName.BottomRightBack];
}
else
{
return _children[(int)SectorName.BottomRightFront];
}
}
else
{
if (star.Buffer[star.Index].Z < _averageZ)
{
return _children[(int)SectorName.TopRightFront];
}
else
{
return _children[(int)SectorName.TopRightBack];
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="star"></param>
public void AddStar(StarBufferIndex star)
{
if (_stars == null)
throw new Exception("Cannot add stars to a subdivided sector");
_stars.AddLast(star);
if (star.Buffer[star.Index].X > _maxX)
{
_maxX = (float)star.Buffer[star.Index].X;
}
else if (star.Buffer[star.Index].X < _minX)
{
_minX = (float)star.Buffer[star.Index].X;
}
if (star.Buffer[star.Index].Y > _maxY)
{
_maxY = (float)star.Buffer[star.Index].Y;
}
else if (star.Buffer[star.Index].Y < _minY)
{
_minY = (float)star.Buffer[star.Index].Y;
}
if (star.Buffer[star.Index].Z > _maxZ)
{
_maxZ = (float)star.Buffer[star.Index].Z;
}
else if (star.Buffer[star.Index].Z < _minZ)
{
_minZ = (float)star.Buffer[star.Index].Z;
}
_aggregateStarPosition.X += star.Buffer[star.Index].X;
_aggregateStarPosition.Y += star.Buffer[star.Index].Y;
_aggregateStarPosition.Z += star.Buffer[star.Index].Z;
if (_stars.Count > MaxStarsPerSector)
{
DivideAndConquer();
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public StarBufferIndex AddStar()
{
var starBufferIndex = new StarBufferIndex
{
Index = _currentIndex,
Buffer = _positionColorBuffer[_currentBuffer]
};
_starBufferIndexes[_currentBuffer][_currentIndex] = starBufferIndex;
if (_currentIndex == _bufferSize - 1)
{
_currentIndex = 0;
_currentBuffer++;
}
else
{
_currentIndex++;
}
return starBufferIndex;
}