physarum

Documentation

Index

• Variables
• func Degrees(radians float32) float32
• func HexColor(x int) color.RGBA
• func Image(w, h int, grids [][]float32, palette Palette, min, max, gamma float32) image.Image
• func IsPowerOfTwo(x int) bool
• func PrintConfigs(configs []Config, table [][]float32)
• func Radians(degrees float32) float32
• func RandomAttractionTable(n int) [][]float32
• func Run()
• func SavePNG(path string, im image.Image, level png.CompressionLevel) error
• func Shift(x, size float32) float32
• func SummarizeConfigs(configs []Config)
• type Config
  • func RandomConfig() Config
  • func RandomConfigs(n int) []Config
• type Grid
  • func NewGrid(w, h int) *Grid
  • func (g *Grid) Add(x, y, a float32)
  • func (g *Grid) BoxBlur(radius, iterations int, decayFactor float32)
  • func (g *Grid) Get(x, y float32) float32
  • func (g *Grid) GetTemp(x, y float32) float32
  • func (g *Grid) Index(x, y float32) int
• type Model
  • func NewModel(w, h, numParticles, blurRadius, blurPasses int, zoomFactor float32, ...) *Model
  • func (m *Model) Data() [][]float32
  • func (m *Model) StartOver()
  • func (m *Model) Step()
• type Palette
  • func RandomPalette() Palette
  • func ShuffledPalette(palette Palette) Palette
  • func (p Palette) Print()
• type Particle

Variables

var Palettes = []Palette{
	Palette{
		HexColor(0xFA2B31),
		HexColor(0xFFBF1F),
		HexColor(0xFFF146),
		HexColor(0xABE319),
		HexColor(0x00C481),
	},
	Palette{
		HexColor(0x004358),
		HexColor(0x1F8A70),
		HexColor(0xBEDB39),
		HexColor(0xFFE11A),
		HexColor(0xFD7400),
	},
	Palette{
		HexColor(0x334D5C),
		HexColor(0x45B29D),
		HexColor(0xEFC94C),
		HexColor(0xE27A3F),
		HexColor(0xDF5A49),
	},
	Palette{
		HexColor(0xFF8000),
		HexColor(0xFFD933),
		HexColor(0xCCCC52),
		HexColor(0x8FB359),
		HexColor(0x192B33),
	},
	Palette{
		HexColor(0x730046),
		HexColor(0xBFBB11),
		HexColor(0xFFC200),
		HexColor(0xE88801),
		HexColor(0xC93C00),
	},
	Palette{
		HexColor(0xE6DD00),
		HexColor(0x8CB302),
		HexColor(0x008C74),
		HexColor(0x004C66),
		HexColor(0x332B40),
	},
	Palette{
		HexColor(0xF15A5A),
		HexColor(0xF0C419),
		HexColor(0x4EBA6F),
		HexColor(0x2D95BF),
		HexColor(0x955BA5),
	},
	Palette{
		HexColor(0xF41C54),
		HexColor(0xFF9F00),
		HexColor(0xFBD506),
		HexColor(0xA8BF12),
		HexColor(0x00AAB5),
	},
}

Functions

func Degrees

func Degrees(radians float32) float32

func HexColor

func HexColor(x int) color.RGBA

func Image

func Image(w, h int, grids [][]float32, palette Palette, min, max, gamma float32) image.Image

func IsPowerOfTwo

func IsPowerOfTwo(x int) bool

func PrintConfigs

func PrintConfigs(configs []Config, table [][]float32)

func Radians

func Radians(degrees float32) float32

func RandomAttractionTable

func RandomAttractionTable(n int) [][]float32

func Run

func Run()

func SavePNG

func SavePNG(path string, im image.Image, level png.CompressionLevel) error

func Shift

func Shift(x, size float32) float32

func SummarizeConfigs

func SummarizeConfigs(configs []Config)

Types

type Config

type Config struct {
	SensorAngle      float32
	SensorDistance   float32
	RotationAngle    float32
	StepDistance     float32
	DepositionAmount float32
	DecayFactor      float32
}

func RandomConfig

func RandomConfig() Config

func RandomConfigs

func RandomConfigs(n int) []Config

type Grid

type Grid struct {
	W    int
	H    int
	Data []float32
	Temp []float32
}

func NewGrid

func NewGrid(w, h int) *Grid

func (*Grid) Add

func (g *Grid) Add(x, y, a float32)

func (*Grid) BoxBlur

func (g *Grid) BoxBlur(radius, iterations int, decayFactor float32)

func (*Grid) Get

func (g *Grid) Get(x, y float32) float32

func (*Grid) GetTemp

func (g *Grid) GetTemp(x, y float32) float32

func (*Grid) Index

func (g *Grid) Index(x, y float32) int

type Model

type Model struct {
	W int
	H int

	BlurRadius int
	BlurPasses int

	ZoomFactor float32

	Configs         []Config
	AttractionTable [][]float32

	Grids     []*Grid
	Particles []Particle

	Iteration int
}

func NewModel

func NewModel(
	w, h, numParticles, blurRadius, blurPasses int, zoomFactor float32,
	configs []Config, attractionTable [][]float32) *Model

func (*Model) Data

func (m *Model) Data() [][]float32

func (*Model) StartOver

func (m *Model) StartOver()

func (*Model) Step

func (m *Model) Step()

type Palette

type Palette []color.RGBA

func RandomPalette

func RandomPalette() Palette

func ShuffledPalette

func ShuffledPalette(palette Palette) Palette

func (Palette) Print

func (p Palette) Print()

type Particle

type Particle struct {
	X float32
	Y float32
	A float32
	C uint32
}