Xor about 2 months ago
"Siri"
vec3 p,a;for(float i,z,d,s;z+i++<2e2;o+=max(cos(p.x*.4+vec4(0,2,4,0)),5./s/s)/d/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z+=9.,s=length(p=dot(a=normalize(cos(vec3(0,2,4)-t*.5+s*.3)),p)*a-cross(a,p)),z+=d=min(abs(dot(p,sin(p).yzx))*.2+max(d=s-5.,.1),abs(--d)+.2)*.2;o=tanh(o/3e4);