internal static Codespace.Ordinal InvertDirection(Codespace.Ordinal direction)
{
switch (direction)
{
case Codespace.Ordinal.Left:
return(Codespace.Ordinal.Right);
case Codespace.Ordinal.Right:
return(Codespace.Ordinal.Left);
case Codespace.Ordinal.Up:
return(Codespace.Ordinal.Down);
case Codespace.Ordinal.Down:
return(Codespace.Ordinal.Up);
}
throw new Exception();
}
/// <summary>
/// Generate a path from actors current position to the extent of the Codespace in given direction
/// </summary>
/// <param name="ord"></param>
/// <param name="a"></param>
/// <returns></returns>
public static PathGeometry OrdinalPath(Codespace.Ordinal ord, DynamicElement el)
{
PathFigure pFigure = new PathFigure();
pFigure.StartPoint = el.MidPoint;
Point endpoint = el.MidPoint;
switch (ord)
{
case Codespace.Ordinal.Right:
endpoint.Offset(el.Parent.Right, 0);
break;
case Codespace.Ordinal.Left:
endpoint.Offset(el.Parent.Left, 0);
break;
case Codespace.Ordinal.Up:
endpoint.Offset(0, el.Parent.Top);
break;
case Codespace.Ordinal.Down:
endpoint.Offset(0, el.Parent.Bottom);
break;
}
pFigure.Segments.Add(new LineSegment(endpoint, true));
PathGeometry animationPath = new PathGeometry();
animationPath.Figures.Add(pFigure);
// Freeze the PathGeometry for performance benefits.
animationPath.Freeze();
return(animationPath);
}
internal PathGeometry GenerateMagneticPath(VisualElement el)
{
if (!this.HasMagneticBorder)
{
return(null);
}
DynamicElement de = el as DynamicElement;
if (null != de)
{
Codespace.Ordinal direction = _magnetism.Value;
if (de.MagneticState == DynamicElement.Magnestism.Antimagnetic)
{
direction = PathHelper.InvertDirection(direction);
}
return(PathHelper.OrdinalPath(direction, de));
}
return(null);
}
