go install github.com/skovati/frac
or
git clone github.com/skovati/frac
cd frac
make install
frac --help
Usage of frac:
--height int
Output image height (default 6000)
--iter int
Number of mandelbrot iterations per pixel (default 255)
--output string
File name to store rendered image in (default "frac.png")
--size float
Size of area in complex plane to render (default 2.3)
--width int
Output image width (default 8000)
--xpos float
Real value of centered point (default -0.6)
--ypos float
Imaginary value of centered point