"Siri" vec3 p,a;for(float i,z,d,s;z+i++<2e2;o+=max(cos(p.x*.4+vec4(0,2,4,0)),5./s/s)/d/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z+=9.,s=length(p=dot(a=normalize(cos(vec3(0,2,4)-t*.5+s*.3)),p)*a-cross(a,p)),z+=d=min(abs(dot(p,sin(p).yzx))*.2+max(d=s-5.,.1),abs(--d)+.2)*.2;o=tanh(o/3e4);

"Storm" in 238 bytes: for(float i,z,d,s;i++<1e2;o+=vec4(.2/d,9,2,1)/d){vec3 p=z*normalize(FC.rgb*2.-r.xyy),a=p;p.z+=7.;s=length(p); for(d=0.;d++<9.;a+=sin(a*d-t).yzx/d); z+=d=length(vec4(sin(s+s-t/.1+a*sin(a.yzx/3.+t))+.9,min(s-=4.,-s/.1)*.4))*.1;} o=tanh(o/8e3);

"Ether" for(float i,z,d;i++<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<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);

"Angel" #GLSL for(float i,z,d,j;i++<5e1;o+=(sin(z+vec4(2,3,4,0))+1.1)/d){vec3 p=z*normalize(FC.rgb*2.-r.xyy);p.z+=6.;p.xz*=mat2(cos(p.y*.5+vec4(0,33,11,0)));for(j=1.;j<9.;j/=.8)p+=cos((p.yzx-t*vec3(3,1,0))*j)/j;z+=d=.01+abs(length(p.xz)-.5)/9.;}o=tanh(o/1e3);

"Waveform" for(float i,d,z,f;i++<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<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);

Making animated, looped backgrounds for my church again for(float... i,z,d;i++<1e2;){vec3 p=z*normalize(FC.rgb*2.-r.xyy);p.z-=t*PI/10.;for(d=1.;d<64.;d+=d)p+=.7*sin(p.yzx*d-t*d*PI/10.)/d;z+=d=(.03+.1*abs(abs(p.y)-2.))*.5;o+=(cos(z*.3+p.y/.5+vec4(0,1,2,3)-2.)+1.5)/d;}o=tanh(o/5e3);show more

for(float i,d,s,T=t/2.;++i<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

float i,e,R,s;vec3 q,p,d=vec3((.5*r-FC.xy)/r.y,.5);for(q=--q*rotate3D(PI,hsv(t/16.,.4,1.));i++&lt;2e2;i&gt;170.?e+=.001,d-=d+1.:d){o+=log(e*R+1.)/2e2;p=q+=d*e*R*.4;p=vec3(log(R=length(p))-t/8.*PI,e=-p.z/R,atan(p.x,p.y));for(s=1.;s&lt;6e2;s+=s)e+=exp(cos(PI*(dot(cos(p*s),p/p)))-1.5)/s;}

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

float e,i,s,x=.5;vec3 p,q,d=x-FC.rgb/r.y;for(q.z--;i++&lt;1e2;o+=.01/exp(e*1e3)){x&lt;.01?d=q*3.:q;p=q+=d*e;p.zy*=rotate2D(t*PI/6.);p.z=fract(p.z+t)-.5;p.y;s=2.;p=.5-abs(p);for(int i;i++&lt;9;p.z+=3.)p=abs(p)-.7,s*=e=6./min(dot(p,p),2.),p=abs(p)*e-4.;e=min(x=length(q)-.3,length(p.xz)/s);}

#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);

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);}

for(float i=0.,z=0.,d=0.,s=0.;i+++z&lt;1e2;){vec3 q=z*normalize(vec3(FC.xy*2.-r,r.y));q.z+=t*4.;q.xy*=rotate2D(q.z*.1);for(s=1.;s&lt;32.;s/=.5)q+=(abs(cos(q.yzx*s))-.68)/s;z+=d=.005+abs((length(q.yx)-6.)*q.x)/8.;o.rgb+=hsv(.3+sin(q.x)*.2,.5,.2)*exp(-z*.1)/d;}o=tanh(o/2e2);#つぶやきGLSL