noise

package

v0.37.0 Latest Latest Go to latest Published: Dec 20, 2025 License: MIT Imports: 10 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/EliCDavis/polyform

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Open Source Insights

Documentation ¶

Index ¶

func Cellular(coord, size vector2.Float64, folds, octaves int, ...) float64
func Cellular2(coord, size vector2.Float64, folds, octaves int, ...) float64
func Cellular3(coord, size vector2.Float64, folds, octaves int, ...) float64
func Cellular4(coord, size vector2.Float64, folds, octaves int, ...) float64
func Cellular5(coord, size vector2.Float64, folds, octaves int, ...) float64
func Cellular6(coord, size vector2.Float64, folds, octaves int, ...) float64
func CubicHermite(t float64) float64
func Grad(hash int, x, y, z float64) float64
func Noise1D(p float64, f, g sample.FloatToFloat) float64
func Noise2D(p vector2.Float64, f sample.FloatToFloat, g sample.Vec2ToVec2) float64
func Noise3D(p vector3.Float64, fade sample.FloatToFloat, grad sample.Vec3ToVec3) float64
func Perlin(coord, size vector2.Float64, folds, octaves int, ...) float64
func Perlin1D(x float64) float64
func Perlin2D(v vector2.Float64) float64
func Perlin3D(pos vector3.Float64) float64
func PerlinAbs(coord, size vector2.Float64, folds, octaves int, ...) float64
func QuinticInterpolation(t float64) float64
func Simplex(coord, size vector2.Float64, folds, octaves int, ...) float64
func Value(coord, size vector2.Float64, folds, octaves int, ...) float64
func Voronoise(coord, size vector2.Float64, folds, octaves int, ...) float64
type DistanceField
- func NewDistanceField(xCells, yCells int, size vector2.Float64) *DistanceField
- func (df DistanceField) Sample(in vector2.Float64) float64
type Perlin1DNode
- func (cn Perlin1DNode) Out(out *nodes.StructOutput[[]float64])
type Perlin2DNode
- func (cn Perlin2DNode) Out(out *nodes.StructOutput[[]float64])
type Perlin3DNode
- func (cn Perlin3DNode) Out(out *nodes.StructOutput[[]float64])
type Stack2D
- func PerlinStack(entries ...Stack2DEntry) Stack2D
- func (s2d Stack2D) Value(v vector2.Float64) float64
type Stack2DEntry
type TilingNoise
- func NewDefaultTilingNoise() *TilingNoise
- func NewTilingNoise(size int, frequncy float64, octaves int) *TilingNoise
- func (tn *TilingNoise) Noise(x, y int) float64
- func (tn *TilingNoise) NoiseAtPermutation(v vector2.Float64, per int) float64

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Cellular ¶ added in v0.33.0

func Cellular(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Cellular2 ¶ added in v0.33.0

func Cellular2(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Cellular3 ¶ added in v0.33.0

func Cellular3(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Cellular4 ¶ added in v0.33.0

func Cellular4(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Cellular5 ¶ added in v0.33.0

func Cellular5(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Cellular6 ¶ added in v0.33.0

func Cellular6(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func CubicHermite ¶

func CubicHermite(t float64) float64

Cubic Hermite Curve

func Grad ¶ added in v0.9.0

func Grad(hash int, x, y, z float64) float64

func Noise1D ¶ added in v0.9.0

func Noise1D(p float64, f, g sample.FloatToFloat) float64

https://gpfault.net/posts/perlin-noise.txt.html

(1 - F(p-p0))g(p0)(p-p0) + F(p-p0)g(p1)(p-p1)

func Noise2D ¶ added in v0.9.0

func Noise2D(p vector2.Float64, f sample.FloatToFloat, g sample.Vec2ToVec2) float64

func Noise3D ¶ added in v0.9.0

func Noise3D(p vector3.Float64, fade sample.FloatToFloat, grad sample.Vec3ToVec3) float64

func Perlin ¶ added in v0.33.0

func Perlin(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Perlin1D ¶

func Perlin1D(x float64) float64

func Perlin2D ¶

func Perlin2D(v vector2.Float64) float64

func Perlin3D ¶ added in v0.9.0

func Perlin3D(pos vector3.Float64) float64

func PerlinAbs ¶ added in v0.33.0

func PerlinAbs(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func QuinticInterpolation ¶

func QuinticInterpolation(t float64) float64

Quintic interpolation curve

func Simplex ¶ added in v0.33.0

func Simplex(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Value ¶ added in v0.33.0

func Value(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

func Voronoise ¶ added in v0.33.0

func Voronoise(coord, size vector2.Float64, folds, octaves int, persistence, offset, seed float64) float64

Types ¶

type DistanceField ¶

type DistanceField struct {
	// contains filtered or unexported fields
}

func NewDistanceField ¶

func NewDistanceField(xCells, yCells int, size vector2.Float64) *DistanceField

func (DistanceField) Sample ¶

func (df DistanceField) Sample(in vector2.Float64) float64

type Perlin1DNode ¶ added in v0.23.0

type Perlin1DNode struct {
	Time      nodes.Output[[]float64]
	Shift     nodes.Output[float64]
	Amplitude nodes.Output[float64]
	Frequency nodes.Output[float64]
}

func (Perlin1DNode) Out ¶ added in v0.32.0

func (cn Perlin1DNode) Out(out *nodes.StructOutput[[]float64])

type Perlin2DNode ¶ added in v0.23.0

type Perlin2DNode struct {
	Time      nodes.Output[[]vector2.Float64]
	Amplitude nodes.Output[float64]
	Frequency nodes.Output[vector2.Float64]
	Shift     nodes.Output[vector2.Float64]
}

func (Perlin2DNode) Out ¶ added in v0.32.0

func (cn Perlin2DNode) Out(out *nodes.StructOutput[[]float64])

type Perlin3DNode ¶ added in v0.23.0

type Perlin3DNode struct {
	Time      nodes.Output[[]vector3.Float64]
	Amplitude nodes.Output[float64]
	Frequency nodes.Output[vector3.Float64]
	Shift     nodes.Output[vector3.Float64]
}

func (Perlin3DNode) Out ¶ added in v0.32.0

func (cn Perlin3DNode) Out(out *nodes.StructOutput[[]float64])

type Stack2D ¶

type Stack2D struct {
	// contains filtered or unexported fields
}

func PerlinStack ¶

func PerlinStack(entries ...Stack2DEntry) Stack2D

func (Stack2D) Value ¶

func (s2d Stack2D) Value(v vector2.Float64) float64

type Stack2DEntry ¶

type Stack2DEntry struct {
	Scalar    float64
	Amplitude float64
}

type TilingNoise ¶ added in v0.10.0

type TilingNoise struct {
	// contains filtered or unexported fields
}

Tiling noise implementation comes from this answer: https://gamedev.stackexchange.com/questions/23625/how-do-you-generate-tileable-perlin-noise

And simply takes advantage of perlin noise repeatability

func NewDefaultTilingNoise ¶ added in v0.10.0

func NewDefaultTilingNoise() *TilingNoise

func NewTilingNoise ¶ added in v0.10.0

func NewTilingNoise(size int, frequncy float64, octaves int) *TilingNoise

func (*TilingNoise) Noise ¶ added in v0.10.0

func (tn *TilingNoise) Noise(x, y int) float64

func (*TilingNoise) NoiseAtPermutation ¶ added in v0.10.0

func (tn *TilingNoise) NoiseAtPermutation(v vector2.Float64, per int) float64

Source Files ¶

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