public Align2D(IVertexSource objectToAlign, Side2D boundingFacesToAlign, IVertexSource objectToAlignTo, Side2D boundingFacesToAlignTo, double offsetX = 0, double offsetY = 0, string name = "")
: this(objectToAlign, boundingFacesToAlign, GetPositionToAlignTo(objectToAlignTo, boundingFacesToAlignTo, new Vector2(offsetX, offsetY)), name)
{
if (objectToAlign == objectToAlignTo)
{
throw new Exception("You cannot align an object to itself.");
}
}
private static bool IsSet(Side2D variableToCheck, Side2D faceToCheckFor, Side2D faceToAssertNot)
{
if ((variableToCheck & faceToCheckFor) != 0)
{
if ((variableToCheck & faceToAssertNot) != 0)
{
throw new Exception("You cannot have both " + faceToCheckFor.ToString() + " and " + faceToAssertNot.ToString() + " set when calling Align. The are mutually exclusive.");
}
return(true);
}
return(false);
}
public static Vector2 GetPositionToAlignTo(IVertexSource objectToAlignTo, Side2D boundingFacesToAlignTo, Vector2 extraOffset)
{
Vector2 positionToAlignTo = new Vector2();
if (IsSet(boundingFacesToAlignTo, Side2D.Left, Side2D.Right))
{
positionToAlignTo.X = objectToAlignTo.GetBounds().Left;
}
if (IsSet(boundingFacesToAlignTo, Side2D.Right, Side2D.Left))
{
positionToAlignTo.X = objectToAlignTo.GetBounds().Right;
}
if (IsSet(boundingFacesToAlignTo, Side2D.Bottom, Side2D.Top))
{
positionToAlignTo.Y = objectToAlignTo.GetBounds().Bottom;
}
if (IsSet(boundingFacesToAlignTo, Side2D.Top, Side2D.Bottom))
{
positionToAlignTo.Y = objectToAlignTo.GetBounds().Top;
}
return(positionToAlignTo + extraOffset);
}
public Align2D(IVertexSource item, Side2D boundingFacesToAlign, Vector2 positionToAlignTo, string name = "")
{
var bounds = item.GetBounds();
if (IsSet(boundingFacesToAlign, Side2D.Left, Side2D.Right))
{
positionToAlignTo.X = positionToAlignTo.X - bounds.Left;
}
if (IsSet(boundingFacesToAlign, Side2D.Right, Side2D.Left))
{
positionToAlignTo.X = positionToAlignTo.X - bounds.Left - (bounds.Right - bounds.Left);
}
if (IsSet(boundingFacesToAlign, Side2D.Bottom, Side2D.Top))
{
positionToAlignTo.Y = positionToAlignTo.Y - bounds.Bottom;
}
if (IsSet(boundingFacesToAlign, Side2D.Top, Side2D.Bottom))
{
positionToAlignTo.Y = positionToAlignTo.Y - bounds.Bottom - (bounds.Top - bounds.Bottom);
}
Transform = Affine.NewTranslation(positionToAlignTo);
VertexSource = item;
}
public Align2D(IVertexSource objectToAlign, Side2D boundingFacesToAlign, Vector2 positionToAlignTo, double offsetX, double offsetY, string name = "")
: this(objectToAlign, boundingFacesToAlign, positionToAlignTo + new Vector2(offsetX, offsetY), name)
{
}
public Align2D(IVertexSource objectToAlign, Side2D boundingFacesToAlign, double positionToAlignToX = 0, double positionToAlignToY = 0, string name = "")
: this(objectToAlign, boundingFacesToAlign, new Vector2(positionToAlignToX, positionToAlignToY), name)
{
}
