public static ISpaceX Spin(this ISpaceX model, string currentDirection, string newDirectory)
{
var nextDirection = string.Empty;
switch (newDirectory)
{
case "L":
if (currentDirection == "N")
{
nextDirection = "W";
}
if (currentDirection == "W")
{
nextDirection = "S";
}
if (currentDirection == "S")
{
nextDirection = "E";
}
if (currentDirection == "E")
{
nextDirection = "N";
}
break;
case "R":
if (currentDirection == "N")
{
nextDirection = "E";
}
if (currentDirection == "W")
{
nextDirection = "N";
}
if (currentDirection == "S")
{
nextDirection = "W";
}
if (currentDirection == "E")
{
nextDirection = "S";
}
break;
}
model.Direction = nextDirection;
return(model);
}
public static ISpaceX Move(this ISpaceX model, string currentDirection)
{
switch (currentDirection)
{
case "N":
model.Y += 1;
break;
case "S":
model.Y += -1;
break;
case "W":
model.X += -1;
break;
case "E":
model.X += +1;
break;
}
return(model);
}