/// <summary>
/// Constructor of the ScaleIcon Class
/// </summary>
/// <param name="camera"></param>
public ScaleIcon(Camera2dv2 camera)
{
_camera = camera;
color = new Color(Colors.White);
font = new Font(FontFamilies.Fantasy, Scale);
pen = new Pen(color, thickness);
sizeAndLabel = new KeyValuePair <int, string>(ScaleMinLength, _camera.WorldDistance(ScaleMinLength).ToString() + " au");
}
/// <summary>
/// Calculates the Size of the ScaleLabel and the Text indicating the Scale.
/// Logarithmically and in 1, 2, 5 steps
/// </summary>
public void calcLabelAndSize()
{
string unit = " au";
double nearestWorldLength;
double MinWorldLength = _camera.WorldDistance(ScaleMinLength);
if (MinWorldLength > 0.001)
{
nearestWorldLength = Math.Pow(10, Math.Ceiling(Math.Log10(MinWorldLength)));
if (nearestWorldLength / 5 > MinWorldLength)
{
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)nearestWorldLength / 5), nearestWorldLength / 5 + unit);
return;
}
if (nearestWorldLength / 2 > MinWorldLength)
{
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)nearestWorldLength / 2), nearestWorldLength / 2 + unit);
return;
}
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)nearestWorldLength), nearestWorldLength + unit);
return;
}
else
{
MinWorldLength = _camera.WorldDistance(ScaleMinLength) * GameConstants.Units.KmPerAu;
unit = " km";
nearestWorldLength = Math.Pow(10, Math.Ceiling(Math.Log10(MinWorldLength)));
if (nearestWorldLength / 5 > MinWorldLength)
{
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)(nearestWorldLength / GameConstants.Units.KmPerAu / 5)), nearestWorldLength / 5 + unit);
return;
}
if (nearestWorldLength / 2 > MinWorldLength)
{
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)(nearestWorldLength / GameConstants.Units.KmPerAu / 2)), nearestWorldLength / 2 + unit);
return;
}
sizeAndLabel = new KeyValuePair <int, string>((int)_camera.ViewDistance((float)(nearestWorldLength / GameConstants.Units.KmPerAu)), nearestWorldLength + unit);
return;
}
}