#つぶやきGLSL
void main(){vec3 s,l,z;for(float n,k,e,j,i;++i<21.;){s.xy+=.5*sin(t+s.z*3.);e=1.,z=s;for(j=0.;++j<6.;){n=length(z);if(n>1.5)break;k=pow(n,9.);z=s+k*cos(acos(z/n)*9.);e*=k*9.+1.;}l+=.5*log(n)*n/e;s=vec3(0,0,2)+vec3((gl_FragCoord.xy*2.-r)/4e2,-1)*l;}o.zxy=s/l/l;}pic.twitter.com/Z5oY0otgAR
1:12 AM - 29 Apr 2020
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