//Assumption:
// ArrayFromGridPoint(p1 + offset) == ArrayFromGridPoint(p1) + ArrayFromGridPoint(offset)
public TShapeInfo Translate(TVectorPoint offset)
{
Func <TPoint, bool> newIsInside = x => shapeStorageStorageInfo.contains(x.Subtract(offset));
var newStorageRect = shapeStorageStorageInfo.storageRect
.Translate(ArrayPointFromGridPoint(offset));
return(MakeShapeInfo(new ShapeStorageInfo <TPoint>(newStorageRect, newIsInside)));
}
public ShapeStorageInfo <TPoint> Difference(ShapeStorageInfo <TPoint> other)
{
Func <TPoint, bool> newIsInside = x => contains(x) && !other.contains(x);
var newStorageRect = storageRect.Difference(other.storageRect);
return(new ShapeStorageInfo <TPoint>(newStorageRect, newIsInside));
}
public ShapeStorageInfo <TPoint> Union(ShapeStorageInfo <TPoint> other)
{
Func <TPoint, bool> newIsInside = x => contains(x) || other.contains(x);
var newStorageRect = storageRect.Union(other.storageRect);
return(new ShapeStorageInfo <TPoint>(newStorageRect, newIsInside));
}
/**
* This creates a shape described by a shape of the base point shape op.
* Typicaly usage:
* \code
* [ShapeMethod]
* public FlatRhombShapeInfo<TCell> SomeShape(...)
* {
* return ShapeFromBase(FlatHexGrid<TCell>.BeginShape().SomeShape(...));
* }
* \endcode
*/
public FlatRhombShapeInfo <TCell> ShapeFromBase(FlatHexShapeInfo <TCell> baseShapeInfo)
{
ShapeStorageInfo <FlatHexPoint> storageInfo = baseShapeInfo.ShapeStorageStorageInfo;
var storageRect = storageInfo.storageRect;
Func <FlatRhombPoint, bool> isInside = x => storageInfo.contains(x.BasePoint);
var shapeInfo = MakeShapeStorageInfo <FlatRhombPoint>(storageRect, isInside);
return(new FlatRhombShapeInfo <TCell>(shapeInfo));
}
/**
* This creates a shape described by a shape of the base point shape op.
* Typicaly usage:
* \code
* [ShapeMethod]
* public CairoShapeInfo<TCell> SomeShape(...)
* {
* return ShapeFromBase(PointyHexGrid<TCell>.BeginShape().SomeShape(...));
* }
* \endcode
*/
public CairoShapeInfo <TCell> ShapeFromBase(PointyHexShapeInfo <TCell> baseShapeInfo)
{
ShapeStorageInfo <PointyHexPoint> storageInfo = baseShapeInfo.ShapeStorageStorageInfo;
var storageRect = storageInfo.storageRect;
Func <CairoPoint, bool> isInside = x => storageInfo.contains(x.BasePoint);
var shapeInfo = MakeShapeStorageInfo <CairoPoint>(storageRect, isInside);
return(new CairoShapeInfo <TCell>(shapeInfo));
}