Donut math: recreation of donut.c in Roblox Luau

! ! donut.lua

             sin,cos,w=math
         .sin,math.cos,math.--$
       floor;A,R,S=0,.0704,1760;C
     =(".,-~:;=!*#$@"):split("")b,z
   ={},{}while(1)do task.wait(.01)for
  i=0,S do z[i]=0 end for i=0,S do b[i
 ]=i%80==0 and"\n" or" " end V=6.28 B=A
 /2 for j=0,V,0.07 do for i = 0, V, .02
 do c,d,e,f,g=sin      (i),cos(j),sin(A
),sin(j),cos(A)          h=d+2;D=1/(c*h*
e+f*g+5);l,m,n=          cos(i),cos(B)--
 ,sin(B)t=c*h*g-        f*e;x=w(40+30*D
 *(l*h*m-t*n))y=w(12+15*D*(l*h*n+t*m))o
 = w(x + 80 * y);N=w(8*((f*e-c*d*g)*m-c
  *d*e-f*g-l*d*n))+1 if 22>y and y>0--
   and x>0 and 80>x and D> z[o]then z
     [o]=D b[o]=C[(N>1 and N or 1)]
       end;end;end;A+=R;script.--
         Parent.Text=table.--~-.
             concat(b,"")end

! cleanDonut.lua

sin, cos, w =
    math.sin,
    math.cos,
    math.floor
A, R, S = 0, .0704, 1760
C = (".,-~:;=!*#$@"):split("")
b, z = {}, {}
while (1) do
    task.wait(.01)
    for i = 0, S do
        z[i] = 0
    end
    for i = 0, S do
        b[i] = i % 80 == 0 and "\n" or " "
    end
    V = 6.28
    B = A / 2
    for j = 0, V, 0.07 do
        for i = 0, V, .02 do
            c, d, e, f, g = sin(i), cos(j), sin(A), sin(j), cos(A)
            h = d + 2
            D = 1 / (c * h * e + f * g + 5)
            l, m, n =
                cos(i),
                cos(B),
                sin(B)
            t = c * h * g - f * e
            x = w(40 + 30 * D * (l * h * m - t * n))
            y = w(12 + 15 * D * (l * h * n + t * m))
            o = w(x + 80 * y)
            N = w(8 * ((f * e - c * d * g) * m - c * d * e - f * g - l * d * n)) + 1
            if 22 > y and y > 0 and x > 0 and 80 > x and D > z[o] then
                z[o] = D
                b[o] = C[(N > 1 and N or 1)]
            end
        end
    end
    A += R
    script.Parent.Text = table.concat(b, "")
end

README.md

I honestly have no idea why I took the time to make this

there's ONE extra character at the end, so its not a perfect donut, but its close enough

put it in a gui like so, with the font as "Code" in the TextLabel & it should just work

All credits goes to Andy Sloane & his original code