noise

package

v1.0.4 Latest Latest Go to latest Published: Jul 6, 2026 License: AGPL-3.0 Imports: 3 Imported by: 2

Details

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

codeberg.org/bit101/bitlib

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Open Source Insights

Documentation ¶

Overview ¶

Package noise creates Perlin and Simplex noise.

Index ¶

func Grid(rows, cols int, z, scale float64) [][]float64
func Perlin(x, y, z float64) float64
func Perlin1(x float64) float64
func Perlin2(x, y float64) float64
func PerlinOct(x, y, z float64, octaves int, persistence float64) float64
func Simplex1(x float64) float64
func Simplex2(x, y float64) float64
func Simplex3(x, y, z float64) float64
func Simplex4(x, y, z, w float64) float64
type Noise2d
- func NewNoise2d(scale float64) *Noise2d
type Noise3d
- func NewNoise3d(scale float64) *Noise3d
type Noise4d
- func NewNoise4d(scale float64) *Noise4d

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Grid ¶ added in v1.0.3

func Grid(rows, cols int, z, scale float64) [][]float64

Grid returns a 2d array of float64s created from noise.

func Perlin ¶

func Perlin(x, y, z float64) float64

Perlin is 3d perlin noise

func Perlin1 ¶

func Perlin1(x float64) float64

Perlin1 is 1d perlin noise

func Perlin2 ¶

func Perlin2(x, y float64) float64

Perlin2 is 2d perlin noise

func PerlinOct ¶

func PerlinOct(x, y, z float64, octaves int, persistence float64) float64

PerlinOct creates Perlin noise with given number of octaves. persistence does well at 0.5 to start with.

func Simplex1 ¶

func Simplex1(x float64) float64

Simplex1 ...

func Simplex2 ¶

func Simplex2(x, y float64) float64

Simplex2 ...

func Simplex3 ¶

func Simplex3(x, y, z float64) float64

Simplex3 ...

func Simplex4 ¶ added in v0.7.1

func Simplex4(x, y, z, w float64) float64

Simplex4 ...

Types ¶

type Noise2d ¶ added in v1.0.3

type Noise2d struct {
	// contains filtered or unexported fields
}

Noise2d ...

func NewNoise2d ¶ added in v1.0.3

func NewNoise2d(scale float64) *Noise2d

NewNoise2d ...

func (*Noise2d) Get ¶ added in v1.0.3

func (n *Noise2d) Get(x, y float64) float64

Get ...

func (*Noise2d) GetNorm ¶ added in v1.0.3

func (n *Noise2d) GetNorm(x, y float64) float64

GetNorm ...

func (*Noise2d) Slope ¶ added in v1.0.3

func (n *Noise2d) Slope(x, y float64) float64

Slope ...

type Noise3d ¶ added in v1.0.3

type Noise3d struct {
	// contains filtered or unexported fields
}

Noise3d ...

func NewNoise3d ¶ added in v1.0.3

func NewNoise3d(scale float64) *Noise3d

NewNoise3d ...

func (*Noise3d) Get ¶ added in v1.0.3

func (n *Noise3d) Get(x, y, z float64) float64

Get ...

func (*Noise3d) GetNorm ¶ added in v1.0.3

func (n *Noise3d) GetNorm(x, y, z float64) float64

GetNorm ...

func (*Noise3d) Slope ¶ added in v1.0.3

func (n *Noise3d) Slope(x, y, z float64) float64

Slope ...

type Noise4d ¶ added in v1.0.3

type Noise4d struct {
	// contains filtered or unexported fields
}

Noise4d ...

func NewNoise4d ¶ added in v1.0.3

func NewNoise4d(scale float64) *Noise4d

NewNoise4d ...

func (*Noise4d) Get ¶ added in v1.0.3

func (n *Noise4d) Get(x, y, z, w float64) float64

Get ...

func (*Noise4d) GetNorm ¶ added in v1.0.3

func (n *Noise4d) GetNorm(x, y, z, w float64) float64

GetNorm ...

func (*Noise4d) Slope ¶ added in v1.0.3

func (n *Noise4d) Slope(x, y, z, w float64) float64

Slope ...

Source Files ¶

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