static public CardinalOrdinalDirection GetNext(this CardinalOrdinalDirection item, RotationDirection direction)
{
switch (direction)
{
case RotationDirection.Clockwise: return(item.GetClockwiseNext());
case RotationDirection.CounterClockwise: return(item.GetCounterClockwiseNext());
}
throw new UnaccountedBranchException("direction", direction);
}
static public Vector2 GetVector2(this CardinalOrdinalDirection item)
{
switch (item)
{
case CardinalOrdinalDirection.Right: return(new Vector2(1.0f, 0.0f));
case CardinalOrdinalDirection.RightUp: return(new Vector2(Mathq.DIAGONAL, Mathq.DIAGONAL));
case CardinalOrdinalDirection.Up: return(new Vector2(0.0f, 1.0f));
case CardinalOrdinalDirection.LeftUp: return(new Vector2(-Mathq.DIAGONAL, Mathq.DIAGONAL));
case CardinalOrdinalDirection.Left: return(new Vector2(-1.0f, 0.0f));
case CardinalOrdinalDirection.LeftDown: return(new Vector2(-Mathq.DIAGONAL, -Mathq.DIAGONAL));
case CardinalOrdinalDirection.Down: return(new Vector2(0.0f, -1.0f));
case CardinalOrdinalDirection.RightDown: return(new Vector2(Mathq.DIAGONAL, -Mathq.DIAGONAL));
}
throw new UnaccountedBranchException("item", item);
}
static public float GetAngleInPercent(this CardinalOrdinalDirection item)
{
switch (item)
{
case CardinalOrdinalDirection.Right: return(0.0f / 8.0f);
case CardinalOrdinalDirection.RightUp: return(1.0f / 8.0f);
case CardinalOrdinalDirection.Up: return(2.0f / 8.0f);
case CardinalOrdinalDirection.LeftUp: return(3.0f / 8.0f);
case CardinalOrdinalDirection.Left: return(4.0f / 8.0f);
case CardinalOrdinalDirection.LeftDown: return(5.0f / 8.0f);
case CardinalOrdinalDirection.Down: return(6.0f / 8.0f);
case CardinalOrdinalDirection.RightDown: return(7.0f / 8.0f);
}
throw new UnaccountedBranchException("item", item);
}
static public CardinalOrdinalDirection GetClockwiseNext(this CardinalOrdinalDirection item)
{
switch (item)
{
case CardinalOrdinalDirection.Right: return(CardinalOrdinalDirection.RightDown);
case CardinalOrdinalDirection.RightDown: return(CardinalOrdinalDirection.Down);
case CardinalOrdinalDirection.Down: return(CardinalOrdinalDirection.LeftDown);
case CardinalOrdinalDirection.LeftDown: return(CardinalOrdinalDirection.Left);
case CardinalOrdinalDirection.Left: return(CardinalOrdinalDirection.LeftUp);
case CardinalOrdinalDirection.LeftUp: return(CardinalOrdinalDirection.Up);
case CardinalOrdinalDirection.Up: return(CardinalOrdinalDirection.RightUp);
case CardinalOrdinalDirection.RightUp: return(CardinalOrdinalDirection.Right);
}
throw new UnaccountedBranchException("item", item);
}
static public VectorF2 GetVectorF2(this CardinalOrdinalDirection item)
{
switch (item)
{
case CardinalOrdinalDirection.Right: return(VectorF2.RIGHT);
case CardinalOrdinalDirection.RightUp: return(VectorF2.RIGHT_UP);
case CardinalOrdinalDirection.Up: return(VectorF2.UP);
case CardinalOrdinalDirection.LeftUp: return(VectorF2.LEFT_UP);
case CardinalOrdinalDirection.Left: return(VectorF2.LEFT);
case CardinalOrdinalDirection.LeftDown: return(VectorF2.LEFT_DOWN);
case CardinalOrdinalDirection.Down: return(VectorF2.DOWN);
case CardinalOrdinalDirection.RightDown: return(VectorF2.RIGHT_DOWN);
}
throw new UnaccountedBranchException("item", item);
}
static public GamepadStickZone GetGamepadStickZone(this CardinalOrdinalDirection item)
{
switch (item)
{
case CardinalOrdinalDirection.Right: return(GamepadStickZone.Right);
case CardinalOrdinalDirection.RightUp: return(GamepadStickZone.RightUp);
case CardinalOrdinalDirection.Up: return(GamepadStickZone.Up);
case CardinalOrdinalDirection.LeftUp: return(GamepadStickZone.LeftUp);
case CardinalOrdinalDirection.Left: return(GamepadStickZone.Left);
case CardinalOrdinalDirection.LeftDown: return(GamepadStickZone.LeftDown);
case CardinalOrdinalDirection.Down: return(GamepadStickZone.Down);
case CardinalOrdinalDirection.RightDown: return(GamepadStickZone.RightDown);
}
throw new UnaccountedBranchException("item", item);
}
static public float GetAngleInRadians(this CardinalOrdinalDirection item)
{
return(item.GetAngleInPercent() * Mathq.FULL_REVOLUTION_RADIANS);
}
static public float GetAngleInDegrees(this CardinalOrdinalDirection item)
{
return(item.GetAngleInPercent() * Mathq.FULL_REVOLUTION_DEGREES);
}
static public CardinalOrdinalDirection GetCounterClockwisePrevious(this CardinalOrdinalDirection item)
{
return(item.GetClockwiseNext());
}
static public IEnumerable <CardinalOrdinalDirection> GetSequenceTo(this CardinalOrdinalDirection item, CardinalOrdinalDirection target, RotationDirection direction)
{
return(item.TraverseLoop(z => z.GetNext(direction))
.EndAt(target)
.Prepend(item));
}
static public IEnumerable <CardinalOrdinalDirection> GetFullRotationSequence(this CardinalOrdinalDirection item, RotationDirection direction)
{
return(item.GetSequenceTo(item, direction));
}