gofra

gofra is simple fractal render library.

Installation

To install gofra, simply run:

go get github.com/gitchander/gofra

Getting started console util

Сonsole rendering program exists in the directory gofra/cmd/gofra

It used package: cli.go

You will build console program:

$ cd gofra/cmd/gofra
$ go build

Make default

For make default file config:

$ ./gofra default

in this case the file will be created fractal.json

Render fractal

For render first fractal, run:

$ ./gofra draw

created image file fractal.png

$ ./gofra --image my_fractal.png draw

created image file my_fractal.png

you can watch it in any viewer program.

Scale fractal

$ ./gofra scale 2

changed scale factor in configuration file. for make fractal image you will render again.

Or you can run:

$ ./gofra --render scale 2

Also it makes render.

Move position

For move center position used command move [w,a,s,d], where w,a,s,d are diractions like arrows. The directions encodes with next characters:

'w' -> y += 0.5 // move up
'a' -> x -= 0.5 // move left
's' -> y -= 0.5 // move down
'd' -> x += 0.5 // move right

Examples:

./gofra move a
# x = -0.5, y = 0

./gofra move wd
# x = 0.5, y = 0.5

./gofra move sa
# x = -0.5, y = -0.5

./gofra move dds
# x = 1.0, y = -0.5

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Images