Sunflower fractal: Difference between revisions

=={{header|Julia}}==

<lang julia>using Makie

function sunflowerplot()

len = 2000

ϕ = 0.5 + sqrt(5) / 2

r = LinRange(0.0, 100.0, len)

θ = zeros(len)

markersizes = zeros(Int, len)

for i in 2:length(r)

θ[i] = θ[i - 1] + 2π * ϕ

markersizes[i] = div(i, 500) + 3

end

x = r .* cos.(θ)

y = r .* sin.(θ)

scene = Scene(backgroundcolor=:green)

scatter!(scene, x, y, color=:gold, markersize=markersizes, strokewidth=1, fill=false, show_axis=false)

end

sunflowerplot()

</lang>