Chromium Portal [360]
Sadly not
#つぶやきGLSL ! But still compact enough 🙏. A very reflective tunnel with electric plasma.
vec4 c=vec4(1,2,3,0);vec3 p,q,z,k;for(float i,d,s,m;i++<1e2;){z=normalize(FC.rgb*2.-r.xyy),p=d*z,m=length(sin(abs(z.xy))+2.*sin(t)*cos(t)+.01*length(p-z)),q=abs(z),k=q/=max(q.x,q.y),q.z+=t,p.z-=t,d+=s=.012+.07*abs(mix(cos(dot(sin(round(p/.9)).yzx,cos(ceil(q/.3)))),length(k),.1)-i/1e2),o+=sin(.1*c+i*.4)/s+c*.05/m;}o=tanh(o*o*abs(c/dot(cos(t+p),vec3(5)))/8e4);