Class TileRotation

Describes which rotations and reflections are allowed, and and stores how to process each tile during a rotation. These are constructed with a TileRotationBuilder

Inheritance

object

TileRotation

Namespace: DeBroglie.Rot

Assembly: DeBroglie.dll

Syntax

public class TileRotation

Constructors

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TileRotation()

A TileRotation that permits no rotation at all.

Declaration

public TileRotation()

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TileRotation(int, bool)

Constructs a TileRotation that allows rotations and reflections as passed in, but leaves all tiles unchanged when rotating. rotationalSymmetry

Declaration

public TileRotation(int rotationalSymmetry, bool reflectionalSymmetry)

Parameters

Type	Name	Description
int	rotationalSymmetry	Permits rotations of 360 / rotationalSymmetry
bool	reflectionalSymmetry	If true, reflections in the x-axis are permited

Properties

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RotationGroup

Declaration

public RotationGroup RotationGroup { get; }

Property Value

Type	Description
RotationGroup

Methods

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Canonicalize(Tile)

For a rotated tile, finds the canonical representation. Leaves all other tiles unchanged.

Declaration

public Tile Canonicalize(Tile t)

Parameters

Type	Name	Description
Tile	t

Returns

Type	Description
Tile

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Rotate(Tile, Rotation, out Tile)

Attempts to reflect, then rotate clockwise, a given Tile. If there is a corresponding tile (possibly the same one), then it is set to result. Otherwise, false is returned.

Declaration

public bool Rotate(Tile tile, Rotation rotation, out Tile result)

Parameters

Type	Name	Description
Tile	tile
Rotation	rotation
Tile	result

Returns

Type	Description
bool

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Rotate(IEnumerable<Tile>, Rotation)

Convenience method for calling Rotate on each tile in a list, skipping any that cannot be rotated.

Declaration

public IEnumerable<Tile> Rotate(IEnumerable<Tile> tiles, Rotation rotation)

Parameters

Type	Name	Description
IEnumerable<Tile>	tiles
Rotation	rotation

Returns

Type	Description
IEnumerable<Tile>

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RotateAll(Tile)

Declaration

public IEnumerable<Tile> RotateAll(Tile tile)

Parameters

Type	Name	Description
Tile	tile

Returns

Type	Description
IEnumerable<Tile>

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RotateAll(IEnumerable<Tile>)

Declaration

public IEnumerable<Tile> RotateAll(IEnumerable<Tile> tiles)

Parameters

Type	Name	Description
IEnumerable<Tile>	tiles

Returns

Type	Description
IEnumerable<Tile>