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twslankard/donut.c

Created January 24, 2014 00:32
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Revisions

  1. Tom Slankard created this gist Jan 24, 2014.
    21 changes: 21 additions & 0 deletions donut.c
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    k;double sin()
    ,cos();main(){float A=
    0,B=0,i,j,z[1760];char b[
    1760];printf("\x1b[2J");for(;;
    ){memset(b,32,1760);memset(z,0,7040)
    ;for(j=0;6.28>j;j+=0.07)for(i=0;6.28
    >i;i+=0.02){float c=sin(i),d=cos(j),e=
    sin(A),f=sin(j),g=cos(A),h=d+2,D=1/(c*
    h*e+f*g+5),l=cos (i),m=cos(B),n=s\
    in(B),t=c*h*g-f* e;int x=40+30*D*
    (l*h*m-t*n),y= 12+15*D*(l*h*n
    +t*m),o=x+80*y, N=8*((f*e-c*d*g
    )*m-c*d*e-f*g-l *d*n);if(22>y&&
    y>0&&x>0&&80>x&&D>z[o]){z[o]=D;;;b[o]=
    ".,-~:;=!*#$@"[N>0?N:0];}}/*#****!!-*/
    printf("\x1b[H");for(k=0;1761>k;k++)
    putchar(k%80?b[k]:10);A+=0.04;B+=
    0.02;}}/*****####*******!!=;:~
    ~::==!!!**********!!!==::-
    .,~~;;;========;;;:~-.
    ..,--------,*/