public static bool DrawGalacticGrid(RenderContext renderContext, float opacity, Color drawColor)
{
if (galLineList == null)
{
galLineList = new SimpleLineList();
galLineList.DepthBuffered = false;
for (double l = 0; l < 360; l += 10)
{
for (double b = -80; b < 80; b += 2)
{
galLineList.AddLine(Coordinates.GalacticTo3dDouble(l, b), Coordinates.GalacticTo3dDouble(l, b + 2));
}
}
for (double b = -80; b <= 80; b += 10)
{
for (double l = 0; l < 360; l += 5)
{
galLineList.AddLine(Coordinates.GalacticTo3dDouble(l, b), Coordinates.GalacticTo3dDouble(l + 5, b));
}
}
int counter = 0;
for (double l = 0; l < 360; l += 1)
{
double b = 0.25;
switch (counter % 10)
{
case 0:
counter++;
continue;
case 5:
b = .5;
break;
}
counter++;
galLineList.AddLine(Coordinates.GalacticTo3dDouble(l, b), Coordinates.GalacticTo3dDouble(l, -b));
}
counter = 0;
for (double l = 0; l < 360; l += 90)
{
counter = 0;
for (double b = -80; b <= 80; b += 1)
{
double width = 0.5 / 2;
switch (counter % 10)
{
case 0:
counter++;
continue;
case 5:
width = .5;
break;
}
counter++;
galLineList.AddLine(Coordinates.GalacticTo3dDouble(l + width, b), Coordinates.GalacticTo3dDouble(l - width, b));
}
}
}
galLineList.DrawLines(renderContext, opacity, drawColor);
return(true);
}