Uses of Interface
squidpony.squidmath.IPointHash

Packages that use IPointHash

Package	Description
squidpony.squidmath	A very broad package containing random number generators, geometry tools, data structures, and noise functions.

Uses of IPointHash in squidpony.squidmath

Subinterfaces of IPointHash in squidpony.squidmath

Modifier and Type	Interface and Description
interface	FlawedPointHash An interface for point hashes that are statistically biased, as well as a holder for inner classes that implement this.

Classes in squidpony.squidmath that implement IPointHash

Modifier and Type	Class and Description
static class	FlawedPointHash.CubeHash Very similar to FlawedPointHash.QuiltHash, but this doesn't change the pattern in different large squares, and instead repeats a square or cube of symmetric and patterned results over and over (so it can be tiled).
static class	FlawedPointHash.FNVHash FNV32a is OK as a hash for bytes when used in some hash tables, but it has major issues on its low-order bits when used as a point hash (the high bits aren't much better).
static class	FlawedPointHash.QuiltHash Extremely flawed if you're using this as a point hash, but meant to be aesthetically interesting, this produces different symmetrical patterns in squares, as if on a quilt.
static class	FlawedPointHash.RugHash Produces hashes that show strong bias on one axis (usually the later axes matter more) and have nice-looking patterns of dots.
class	GoldPointHash A relatively simple IPointHash that multiplies each of the x, y, etc.
class	HappyPointHash A group of similar methods for getting hashes of points based on long coordinates in 2, 3, 4, 5, or 6 dimensions and a long for state; like IntPointHash in most respects, but uses longs.
class	HastyPointHash A group of similar methods for getting hashes of points based on long coordinates in 2, 3, 4, 5, or 6 dimensions and a long for state; like PointHash but faster.
class	HushPointHash A group of similar methods for getting hashes of points based on long coordinates in 2, 3, 4, 5, or 6 dimensions and a long for state; this is mostly meant as an optimization of HastyPointHash.
class	IntPointHash A group of similar methods for getting hashes of points based on int coordinates in 2, 3, 4, or 6 dimensions and an int for state; the code is similar to HastyPointHash but will be much faster on GWT.
static class	IPointHash.IntImpl A convenience abstract class to implement IPointHash when you have an int for state.
static class	IPointHash.LongImpl A convenience abstract class to implement IPointHash when you have a long for state.
class	KnownSizePointHash A very simple point hash meant only for fixed-size grids, and only for when the hash must be unique but does not need to be randomized.
class	PermPointHash A mid-to-low quality point hash that uses a similar (not identical) technique to what OpenSimplex2 uses, with a permutation array created at construction.
class	PointHash A group of similar methods for getting hashes of points based on long coordinates in 2, 3, 4, or 6 dimensions and a long for state.
class	TabularPointHash Just another experiment with precomputed point hashes.
class	TorusCachePointHash A group of similar methods for getting hashes of points based on int coordinates in 2, 3, 4, 5, or 6 dimensions and an int for state; here, points are considered toroidally wrapping, where the wrap happens at a power of two that is no greater than 1024.

Fields in squidpony.squidmath declared as IPointHash

Modifier and Type	Field and Description
IPointHash	HashedValueNoise.hash
protected IPointHash	FastNoise.pointHash

Methods in squidpony.squidmath that return IPointHash

Modifier and Type	Method and Description
IPointHash	FastNoise.getPointHash() Gets the point hash, an object implementing IPointHash that is used to take 2 or more coordinates and a seed and produce a usually-random-seeming hash value.

Methods in squidpony.squidmath with parameters of type IPointHash

Modifier and Type	Method and Description
void	FastNoise.setPointHash(IPointHash hash) Sets the point hash, an object implementing IPointHash that is used to take 2 or more coordinates and a seed and produce a usually-random-seeming hash value.

Constructors in squidpony.squidmath with parameters of type IPointHash

Constructor and Description
HashedValueNoise(IPointHash hash)