private CompassDirection2 GetDirection(Vector2 v)
{
double angle = Math.Atan2(v.X, v.Y);
int octant = (int)Math.Round(8 * angle / (2 * Math.PI) + 8) % 8;
CompassDirection2 dir = (CompassDirection2)octant;
return(dir);
}
private void MoveMapOneTile(Vector2 direction)
{
CompassDirection2 dir = GetDirection(direction);
switch (dir)
{
case CompassDirection2.North:
CenterOnViewPosition(new Point((int)ViewCenter.X, (int)ViewCenter.Y - CellHeight));
break;
case CompassDirection2.NorthEast:
CenterOnViewPosition(new Point((int)ViewCenter.X + CellWidth, (int)ViewCenter.Y - CellHeight));
break;
case CompassDirection2.East:
CenterOnViewPosition(new Point((int)ViewCenter.X + CellWidth, (int)ViewCenter.Y));
break;
case CompassDirection2.SouthEast:
CenterOnViewPosition(new Point((int)ViewCenter.X + CellWidth, (int)ViewCenter.Y + CellHeight));
break;
case CompassDirection2.South:
CenterOnViewPosition(new Point((int)ViewCenter.X, (int)ViewCenter.Y + CellHeight));
break;
case CompassDirection2.SouthWest:
CenterOnViewPosition(new Point((int)ViewCenter.X - CellWidth, (int)ViewCenter.Y + CellHeight));
break;
case CompassDirection2.West:
CenterOnViewPosition(new Point((int)ViewCenter.X - CellWidth, (int)ViewCenter.Y));
break;
case CompassDirection2.NorthWest:
CenterOnViewPosition(new Point((int)ViewCenter.X - CellWidth, (int)ViewCenter.Y - CellHeight));
break;
}
}
