commit 378d1797392fb7002e30fb5fde85d720f010a044
Author: Matthew Fisher <mwfisher@protonmail.com>
Date:   Wed Apr 17 14:30:04 2024 -0500

    Add donut.c

diff --git a/donut.c b/donut.c
new file mode 100644
index 0000000..ecf65da
--- /dev/null
+++ b/donut.c
@@ -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;}}/*****####*******!!=;:~
+       ~::==!!!**********!!!==::-
+         .,~~;;;========;;;:~-.
+             ..,--------,*/
\ No newline at end of file