ShaderMaterial Op

(vec2(7.,23.),v))519.);}vec2 e=vec2(1.,0.),s,f,F;float M(vec2 v){F=floor(v);f= fract(v);f=f*(3.-2.f);return mix(mix(N(F),N(F+e.xy),f.x),mix(N(F+e.yx),N(F+e. xx),f.x),f.y);}float B(vec2 v){return M(v)+.5M(v2.)+.2M(v8.);} float l=0.,r;void mainImage( out vec4 fragColor, in vec2 fragCoord ){for(int i=0;i<99;++i){vec3 q=vec3(fragCoord.xy/resolution -.5,1.)l;q.z-=2.;q.x=1.8;r=length(q)-1.;s=42.(q.xy+M(vec2(r-t*.5))-M(vec2(r- t*.3))e.xy);l+=.4(r+.2*B(s));}fragColor=1.-vec4(B(s),B(s+.1),B(s+.3),1.);}