public static Dir8 GetDir(this Axis8 axis, int scalar)
{
if (scalar == 0 & axis.Validate())
{
return(Dir8.None);
}
else
{
switch (axis)
{
case Axis8.None:
return(Dir8.None);
case Axis8.Horiz:
return(scalar < 0 ? Dir8.Left : Dir8.Right);
case Axis8.Vert:
return(scalar < 0 ? Dir8.Up : Dir8.Down);
case Axis8.DiagBack:
return(scalar < 0 ? Dir8.UpLeft : Dir8.DownRight);
case Axis8.DiagForth:
return(scalar < 0 ? Dir8.DownLeft : Dir8.UpRight);
default:
throw new ArgumentOutOfRangeException(nameof(axis), axis, "Invalid enum value.");
}
}
}
