public void AddLine(Point3D start, Point3D stop, double thickness)
{
if (_lineCount == null)
{
throw new InvalidOperationException("Must call BeginAddingLines before calling AddLine");
}
else if (_lineCount.Value > _lines.Count)
{
throw new ApplicationException("_lineCount fell out of sync");
}
else if (_lineCount.Value == _lines.Count)
{
// Create a new line
BillboardLine3D line = new BillboardLine3D(_shouldUseSpinTimer);
line.Material = _material;
_lines.Add(line);
}
_lineCount = _lineCount.Value + 1;
// Whatever line was at this index now gets this position
_lines[_lineCount.Value - 1].SetPoints(start, stop, thickness);
if (_lineCount.Value > _geometry.Children.Count)
{
// This must be done last. Otherwise, when the computer is stressed, the line will get rendered before it is positioned
_geometry.Children.Add(_lines[_lineCount.Value - 1].Model);
}
}
private void InvalidateColor()
{
_material = BillboardLine3D.GetSolidColorMaterial(_isReflectiveColor, _color);
// Update existing lines
foreach (BillboardLine3D line in _lines)
{
line.Material = _material;
}
}