for(float i,g,e,s;++i<99.;o.rgb+=.01-hsv(.1,g*.016-e*.3,s/2e2)){vec3 p=vec3((FC.xy-.5*r)/r.y*5.+vec2(0,9),g)*rotate3D(-1.1-cos(t*.15)*.1,vec3(1,11.+sin(t)*.15,-1.5));s=2.;for(int i;i++<19;p=vec3(.08,4,-1)-abs(abs(p)*e-vec3(3,4,3)))s*=e=7.1/dot(p,p*.51);g+=p.y/s;s=log2(s)/exp(e);}