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.");
}
}
}
public void DirFromAxis(Axis8 axis, int scalar, Dir8 expected, bool exception = false)
{
if (exception)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { axis.GetDir(scalar); });
}
else
{
Assert.That(axis.GetDir(scalar), Is.EqualTo(expected));
}
}
public void ToAxis8(Axis4 axis, Axis8 expected, bool exception = false)
{
if (exception)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { axis.ToAxis8(); });
}
else
{
Assert.That(axis.ToAxis8(), Is.EqualTo(expected));
}
}
public static bool Validate(this Axis8 axis)
{
switch (axis)
{
case Axis8.None:
case Axis8.Horiz:
case Axis8.Vert:
case Axis8.DiagBack:
case Axis8.DiagForth:
return(true);
default:
return(false);
}
}
public static Axis4 ToAxis4(this Axis8 axis)
{
switch (axis)
{
case Axis8.None:
return(Axis4.None);
case Axis8.Horiz:
return(Axis4.Horiz);
case Axis8.Vert:
return(Axis4.Vert);
default:
throw new ArgumentOutOfRangeException(nameof(axis), axis, "Invalid enum value.");
}
}
