Julia 2D hearts animation

Julia 2d hearts animation.jl

# rotation angle 'd' goes from 0 to 2π (one revolution)
0:2e-3:2π .|> d-> (
    # screen buffer, with empty braille characters and new lines
    (P = fill(5<<11,64,25))[64,:] .= 10;
    # transformation vector: cis = rotation, sin = zoom
    z = 8cis(d)sin(.46d);
    # loop over all pixels
    for r=0:98, c=0:5^3
        # (..)z = scale and rotate point, using complex numbers
        # reim = split complex number into x/y
        # mod = repeat pattern
        x,y = @.mod(2 - $reim((.016c-r/49im-1-im)z), 4) - 2;
        # test if point is within a heart shape
        √2(y+.5-√√x^2)^2 < 4-x^2 &&
            # set pixel, using braille characters
            (P[c÷2+1,r÷4+1] |= Int(")*,h08H¨"[1+r&3+4&4c]) - 40)
    end
    # print buffer to screen
    println("\e[H\e[1;31m", join(Char.(P))));

# NOTE - Julia Syntax highlighting in Github editor(while editing) is crappy.
#=
fill(x) Create an array
cis(x) More efficient method for exp(im*x) by using Euler's formula: \cos(x) + i \sin(x) = \exp(i x).
sin(x) Compute sine of x, where x is in radians.
=#