Biome

Biome is tool of image processing and generatig written in Go (Golang).

Installation

Installation is done using go get.

go get -u github.com/tomowarkar/biome

Godoc

https://godoc.org/github.com/tomowarkar/biome

Quick start

# assume the following codes in example.go file
$ cat example.go

# run example.go
$ go run example.go

flactal

package main

import (
	"image/color"
	"time"

	"github.com/tomowarkar/biome/fractal"
)

var (
	sea    = color.RGBA{65, 105, 225, 255}
	beach  = color.RGBA{240, 230, 140, 255}
	island = color.RGBA{184, 134, 11, 255}
	forest = color.RGBA{46, 139, 87, 255}
	snow   = color.RGBA{255, 255, 255, 255}
)

func main() {
	seed := time.Now().UnixNano()
	world := fractal.Flactal(320, 480, seed)

	var palette []color.Color

	for i := 0; i < 256; i++ {
		if i < 150 {
			palette = append(palette, sea)
		} else if i < 160 {
			palette = append(palette, beach)
		} else if i < 190 {
			palette = append(palette, island)
		} else if i < 240 {
			palette = append(palette, forest)
		} else {
			palette = append(palette, snow)
		}
	}

	world.ToPng("image", 1, palette)
}

maze

package main

import (
	"image/color"
	"time"

	"github.com/tomowarkar/biome/maze"
)

func main() {
	mazeWidth, mazeHeight := 37, 27
	m := maze.NewMaze(mazeHeight, mazeWidth)
	seed := time.Now().UnixNano()

	palette := []color.Color{
		color.RGBA{184, 134, 11, 255},
		color.RGBA{240, 230, 140, 255},
		color.RGBA{255, 0, 255, 255},
	}

	m.StickDown(seed)
	m.Solve()
	m.ToPng("maze1", 10, palette)

	m.Digging(seed)
	m.Solve()
	m.ToPng("maze2", 10, palette)
}

gif

package main

import (
	"image/color"
	"time"

	"github.com/tomowarkar/biome/maze"
)

func main() {
	w, h := 61, 49
	m := maze.NewMaze(h, w)
	var datas [][]int

	for i := 0; i < 10; i++ {
		seed := time.Now().UnixNano()
		m.StickDown(seed)
		datas = append(datas, m.Data())
		m.Solve()
		datas = append(datas, m.Data())
		m.Digging(seed)
		datas = append(datas, m.Data())
		m.Solve()
		datas = append(datas, m.Data())
	}

	palette := []color.Color{
		color.RGBA{184, 134, 11, 255},
		color.RGBA{240, 230, 140, 255},
		color.RGBA{255, 0, 255, 255},
	}

	maze.ToGif("gif", w, h, 10, 50, datas, palette)
}

gallery

fractal islands
maze
paint

image processing

original		gray
sepia		mosaic

original image source (https://ja.wikipedia.org/wiki/%E9%A2%A8%E6%99%AF )

License

Biome is free and open-source software licensed under the Boost Software License, Version 1.0.(See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Author

	tomowarkar	twitter	blog