Event 2 vec2 p=(FC.xy*2.-r)/r.y/.3,v;for(float i,l,f;i++<9.;o+=.1/abs(l=dot(p,p)-5.-2./v.y)*(cos(i/3.+.1/l+vec4(1,2,3,4))+1.))for(v=p,f=0.;f++<9.;v+=sin(ceil(v.yx*f+i*.3)+r-t/2.)/f);o=max(tanh(o+(o=texture(b,(FC.xy+r.y*.04*sin(FC.xy+FC.yx/.6))/r))*o),.0);

"Caustics" in 146 chars of #GLSL vec2 p=FC.xy/r.y*2e1+t;for(float i;i++<8.;)p+=sin(p+t/.2+i)*.4,p*=mat2(6,-8,8,6)/9.;o=vec4(tanh(length(fwidth(sin(p*.3)/.1))),texture(b,FC.xy/r));

"Split" vec2 p=(2.*FC.xy-r)/r.y,c=4.*p/(3.-p.y)+t;p=5.*p/(2.+fract(dot(cos(round(c)+r),sin(ceil(c+cos(c/.1)))))-p.y)+t;o=tanh(.2/abs(sin(p.x+p.y+vec4(1,.7,.6,0)*sin(p.y))));o*=o;

"Painted" vec2 p=(2.*FC.xy-r)/r.y;p=p/.1/(3.-p.y)+t;o+=sin(sin(dot(ceil(p+sin(p*3.).yx),vec2(17,79)))*7e3+vec4(0,1,2,0))+.5;

Abracadabra 🪄 #define t (t+fract(1e4*sin(dot(FC.xy,vec2(137,-13))))/6e1) #define S smoothstep float... i,d,s,m,l,x=abs(mod(t/4.,2.)-1.),a=x 6.)break;l=length(.2*k.xy-vec2(sin(t)/9.,.6+sin(t+t)/9.));k.y<-5.?k.y=-k.y-10.,m=.5:m=1.;k.xz*=mat2(cos(a*6.28+k.y*.3*S(.2,.5,x)*S(.7,.5,x)+vec4(0,33,11,0)));for(p=k*.5,s=.01;s<1.;s+=s)p.y+=.95+abs(dot(sin(p.x+2.*t+p/s),.2+p-p))*s;l=mix(sin(length(k*k.x)),mix(sin(length(p)),l,.5-l),S(5.5,6.,p.y));p=abs(k);d+=s=.012+.09*abs(max(sin(length(k)+l),max(max(max(p.x,p.y),p.z),dot(p,vec3(.577))*mix(.5,.9,a))-3.)-i/1e2);}o=tanh(o*o/1e6)*m;show more

#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3((FC.xy*2.-r)/r.y*1.5+vec2(0,1),1);for(q.zy--;i++&lt;77.;){o+=.011-exp(-e*2e3)*.016;s=1.;p=q+=d*e*R*.2;p=vec3(log2(R=length(p))-t*.4,exp(-p.z/R),atan(p.x,p.y)+t*.2);for(e=--p.y;s&lt;1e3;s+=s)e+=abs(dot(sin(p.xxz*s),cos(p*s)))/s*.17;}o=tanh(o);

"Waveform" for(float i,d,z,f;i++&lt;9e1;o+=(cos(z*.5+t+vec4(0,2,4,3))+1.3)/d/z){vec3 p=z*normalize(FC.rgb*2.-r.xyy)+1.;f=max(-p.y,0.);p.y+=f+f;for(d=1.;d&lt;3e1;d+=d)p.y+=cos(p*d+2.*t*cos(d)+z).x/d;z+=d=(.1*f+abs(p.y-1.)/(++f*f)+max(d=p.z+3.,-d*.1))/8.;}o=tanh(o/9e2);

for(float i,d,s,T=t/2.;++i&lt;1e2;){vec3 p=vec3((FC.xy*2.-r.xy)/r.y*d*rotate2D(T),d-4.);p.xz*=rotate2D(T);d+=s=.012+.07*abs(max(sin(length(p*p)/.4),clamp(length(p*p)-4.,.0,2.))-i/1e2);o+=max(1.3*sin(vec4(3,2,1,1)+i*.3)/s,-length(p*p*p));}o=tanh(o*o/2e6); #つぶやきGLSL

Stormy Torus [480] float i,d,w,s,n,m=1.;for(mat2 R=mat2(cos(sin(t/2.)*.785+vec4(0,33,11,0)));i++<1e2;){vec3 k,p=vec3((FC.xy*2.-r.xy)/r.y*d,d-10.);p.xz*=R;if(p.y<-6.3){p.y =-p.y-9.;m=.5;}k=p;for(p*=.5,n=.01;n<.2;n+=n)p.yz+=cos(p.xy*.01)-abs(dot(sin(.02*p.z+.03*p.y+2.*t+.3*p/n),p-p+n));s=length(k.xy)-4.;d+=w=.01+.07*abs(max(w=mix(sin(length(ceil(k*4.).z+k)),sin(length(p)-1.),smoothstep(5.,5.5,p.y)),sqrt(s*s+k*k).z-1.5)-i/150.);o+=max(sin(vec4(1,2,3,1)+i*.5)*1.3/w,-length(k*k));}o=tanh(o*o/1e6)*m; #glsl

"Ghosts" for(float i,z,d;i++&lt;1e2;o+=vec4(z/7.,2,3,1)/d){vec3 p=z*normalize(FC.rgb*2.-r.xyy);p.z-=5.*t;p.xy*=mat2(cos(z*.1+t*.1+vec4(0,33,11,0)));for(d=1.;d&lt;9.;d/=.7)p+=cos(p.yzx*d+t)/d;z+=d=.02+abs(2.-dot(cos(p),sin(p.yzx*.6)))/8.;}o=tanh(o*o/1e7);

"Ether" for(float i,z,d;i++&lt;8e1;o+=max(sin(z*.4+t+vec4(6,2,4,0))+.7,.2)/d){vec3 p=z*normalize(FC.rgb*2.-r.xxy);p.z-=5.*t;for(d=1.;d&lt;15.;d/=.6)p+=.6*cos(p.yzx*d-vec3(t*.6,d,t))/d;z+=d=.01+abs(p.y*.3+dot(cos(p),sin(p.yzx*.6))+2.)/3.;}o=tanh(o/2e3);

"Fusion" in 230 chars of #GLSL: vec3 p,v;for(float i,z,d;i++&lt;1e2;o+=(sin((p.z-t*.2)*vec4(3,5,9,4))+1.)/d)p=z*normalize(FC.rgb*2.-r.xyy),p+=.15,v=vec3(atan(p.x,p.y)-t*.1,length(p.xy),p.z/.2-t),z+=d=length(max(v=sin(v*7.+cos(v/.03-t)),v.yzx*.1))/1e2;o=tanh(o/1e5);

"Runner" vec3 q,p;for(float z,d,i,l;l++&lt;3e1;z+=d,o+=.1*(vec4(4,2,1,0)-tanh(p.y+4.))*d/(1.+z)){p=z*normalize(FC.rgb*2.-r.xyy)-2.;p.xz-=t+3.;for(q=p,d=p.y,i=4e1;i&gt;.01;i*=.2)d=max(d,min(min(q=i*.9-abs(mod(q,i+i)-i),q.y).x,q.z)),q.xz*=rotate2D(9.);}o=tanh(o*o);

float i,e,g,R,s;vec3 q,p,d=vec3((FC.xy*2.-r)/r.x*.3+vec2(0,1),1);for(q.zy--;i++&lt;99.;){e+=i/9e9;o.rgb+=hsv(.1,q.y,min(e*i,.01));s=3.;p=q+=d*e*R*.25;g+=p.y/s;p=vec3(log2(R=length(p))+t*.2,exp2(mod(-p.z,s)/R)-.3,p);for(e=--p.y;s&lt;6e3;s+=s)e+=-abs(dot(sin(p.xz*s),cos(p.zy*s))/s*.4);}

Prism, 328 chars #つぶやきGLSL for(L*=I;I++&lt;80.;L+=pow(.0024/length(P* mat2(cos(10./exp(R/.1)*pow(sin(A/8.), 3.)+A/8.+vec4(0,33,11,0)))+R* sin(I*.5+A/4.)*smoothstep(0., 1.,(.95... + .05 * sin(A)))*vec2(cos(I*.2), sin(I*.2 ))) * (1. + cos(I*.1+R*4.-A-A + vec4(0,1,2,0))), L-L+1.1));show more

float i,e,g,R,s;vec3 q,p,d=vec3((FC.xy*2.-r)/r+vec2(0,1),1);for(q.zy--;i++&lt;99.;){e+=i/9e9;o.rgb+=hsv(e,sin(g),min(e*i,.02));s=3.;p=q+=d*e*R*.35+1e-5;g+=p.y/s;p=vec3(log2(R=length(p))+t*.2,exp(mod(-p.z,s)/R-.4),p);for(e=--p.y;s&lt;6e3;s+=s)e+=-abs(dot(sin(p.xz*s),cos(p.zy*s))/s*.4);}

#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-vec2(.5,-.3),1);for(q.zy--;i++&lt;99.;){o.rgb+=hsv(.1,.2,min(e*s,.65-e)/45.);s=1.;p=q+=d*e*R*.3;p=vec3(log2(R=length(p))-t*.8,exp2(-p.z/R+.9),atan(p.y,p.x)-t*.4);for(e=--p.y;s&lt;3e2;s+=s)e+=(dot(sin(p.xy*s)-.5,.5-sin(p.zy*s)))/s*.3;}

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