float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-vec2(.6,.5),.7);for(q.zx--;i <99.;){o.rgb =hsv(.1,.2,min(e*s,.7-e)/35.);s=1.;p=q =d*e*R*.1;p=vec3(log2(R=length(p))-t,exp(1.-p.z/R),atan(p.y,p.x) cos(t)*.2);for(e=--p.y;s<3e2;s =s)e =sin(dot(sin(p.zxy*s)-.5,1.-cos(p.yxz*s)))/s;}
#つぶやきGLSL