private ColorWithAlpha TrySetRGBAValues(CmdArgs args, ColorWithAlpha color)
{
var numberOfArgs = args.Length;
if (numberOfArgs == 4)
{
SetColorAndAlpha(args, color);
}
else if (numberOfArgs == 3)
{
SetColor(args, color);
}
else if (numberOfArgs == 1)
{
SetAlpha(args, color, 0);
}
else
{
throw new FormatException($"Number of arguments must be 4, 3, or 1. You provided {numberOfArgs}!");
}
return(color);
}
private void SetAlpha(CmdArgs args, ColorWithAlpha color, int position)
{
color.Alpha = TryGetArgumentValue(args, position);
}
private void SetColor(CmdArgs args, ColorWithAlpha color)
{
color.Red = TryGetArgumentValue(args, 0);
color.Green = TryGetArgumentValue(args, 1);
color.Blue = TryGetArgumentValue(args, 2);
}
private void SetColorAndAlpha(CmdArgs args, ColorWithAlpha color)
{
SetColor(args, color);
SetAlpha(args, color, 3);
}