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#つぶやきGLSL float T=754./60.;for(float i,h,s,v;i++<70.;){s=3.+i*4.;v=floor((2.+sin(i))*1./i*s*T)/T;vec2 p=(FC.xy/r.x)*s+vec2(sin(t+i),t*v);h=fract(sin(dot(floor(p),floor(p)+i))*4e3);if(h<.02)o+=smoothstep(.2,0.,length(fract(p)-.5+(h-.5)*.7));}o+=vec4(0,.25,.5,1)*(1.-FC.y/r.y);

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Yohei Nishitsuji

15,064 subscribers

12,703 次观看 • 7 个月前 •via X (Twitter)

#つぶやきGLSL
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"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));
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"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));

Xor

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339 chars #つぶやきGLSL for (O *= h; h < 3.; h++) for (int k; k < 25; O[int(h)]+=.008/(max(0.,abs(sin((length(v=a+(vec2(k%5,k++/5)-2.)*mat2(cos(t*.5+vec4(0,33,11,0))))*.2)*4. - t- h*.025)) + 2. * S(0., 2., length(a) - 2.) -.01)+ S(3., 0., length(a)) *.02*(sin(t+t-1.5)*.5+.5)));
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339 chars #つぶやきGLSL for (O *= h; h < 3.; h++) for (int k; k < 25; O[int(h)]+=.008/(max(0.,abs(sin((length(v=a+(vec2(k%5,k++/5)-2.)*mat2(cos(t*.5+vec4(0,33,11,0))))*.2)*4. - t- h*.025)) + 2. * S(0., 2., length(a) - 2.) -.01)+ S(3., 0., length(a)) *.02*(sin(t+t-1.5)*.5+.5)));

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#つぶやきGLSL for(float i,g,e,s;++i<99.;o.rgb+=hsv(.506,g*6./s,s/6e2)){vec3 p=vec3((FC.xy-.5*r)/r.y*3.6+vec2(0,3),g+.9)*rotate3D(8.9-sin(t*.3)*.3,vec3(0,9,cos(t*.3)*.1-1.2));s=3.;for(int i;i++<17;p=vec3(0,4,-1)-abs(abs(p)*e-vec3(3,4,3)))s*=e=7.5/dot(p,p*.5);g+=p.y/s;s=log(s);}
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#つぶやきGLSL for(float i,g,e,s;++i<99.;o.rgb+=hsv(.506,g*6./s,s/6e2)){vec3 p=vec3((FC.xy-.5*r)/r.y*3.6+vec2(0,3),g+.9)*rotate3D(8.9-sin(t*.3)*.3,vec3(0,9,cos(t*.3)*.1-1.2));s=3.;for(int i;i++<17;p=vec3(0,4,-1)-abs(abs(p)*e-vec3(3,4,3)))s*=e=7.5/dot(p,p*.5);g+=p.y/s;s=log(s);}

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Merry Xmas in 388 chars! #つぶやきGLSL for (O*=i;i++<8.;O+=.004/abs(sin(length(u=fract((U-vec2(0,1))*r(-t*.05)*(1.5+i*.1))-.5)*exp(length(u)*1.5-l)*7.+sin(t)*.05)/8.-.3*s*.6+U.x+1.4+sin(U.y*13.+3.)*.1-2.*s+2.2)))*(1.+cos(i*.5+l*5.-t*4.+vec4(0,1,2,0))));
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Merry Xmas in 388 chars! #つぶやきGLSL for (O*=i;i++<8.;O+=.004/abs(sin(length(u=fract((U-vec2(0,1))*r(-t*.05)*(1.5+i*.1))-.5)*exp(length(u)*1.5-l)*7.+sin(t)*.05)/8.-.3*s*.6+U.x+1.4+sin(U.y*13.+3.)*.1-2.*s+2.2)))*(1.+cos(i*.5+l*5.-t*4.+vec4(0,1,2,0))));

kishimisu

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252 chars in #つぶやきGLSL for(float i,g,e,s;++i<90.;){vec3 p=vec3(((FC.xy*2.-r)/r.x)*.7+vec2(0,1),g+.1);p.zx*=rotate2D(t*.3);s=2.;for(int i;i++<17;p=vec3(2,5,2)-abs(abs(p)*e-vec3(4)))s*=e=max(1.01,13./dot(p,p));g+=mod(length(p.xz),p.y*5.)/s;s=log(s*.1);o.rgb+=hsv(g,p.z,s/6e2);}
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252 chars in #つぶやきGLSL for(float i,g,e,s;++i<90.;){vec3 p=vec3(((FC.xy*2.-r)/r.x)*.7+vec2(0,1),g+.1);p.zx*=rotate2D(t*.3);s=2.;for(int i;i++<17;p=vec3(2,5,2)-abs(abs(p)*e-vec3(4)))s*=e=max(1.01,13./dot(p,p));g+=mod(length(p.xz),p.y*5.)/s;s=log(s*.1);o.rgb+=hsv(g,p.z,s/6e2);}

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"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;
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"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;

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Aurora, 399 chars #つぶやきGLSL for(O*=i;i++<44.;)p=t*rd,p.z-=2.,l=length(p),p/=l*.1,t+=d=min(l-.3,T*.1)+.1,O+=.05/(.4+d)*mix(S(.5,.7,sin(p.x+cos(p.y)*cos(p.z))*sin(p.z+sin(p.y)*cos(p.x+T))),1.,.15/l/l)*S(5.,0.,l)*(1.+cos(t*3.+vec4(0,1,2,0)));
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Aurora, 399 chars #つぶやきGLSL for(O*=i;i++<44.;)p=t*rd,p.z-=2.,l=length(p),p/=l*.1,t+=d=min(l-.3,T*.1)+.1,O+=.05/(.4+d)*mix(S(.5,.7,sin(p.x+cos(p.y)*cos(p.z))*sin(p.z+sin(p.y)*cos(p.x+T))),1.,.15/l/l)*S(5.,0.,l)*(1.+cos(t*3.+vec4(0,1,2,0)));

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#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r*.8-vec2(.4,-.6),1);for(q.zy--;i++<80.;){o.rgb+=hsv(q.z,.5,min(e*s-.3,1.)/35.);s=5.;p=q+=d*e*R*.3;p=vec3(log(R=length(p*1.3)),exp2(-p.z/R),atan(p.y,p.x)-t*.3);for(e=--p.y;s<1e3;s+=s)e+=cos(dot(sin(p*s),cos(p.yyz*s+t*.9)))/s*.45;}
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#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r*.8-vec2(.4,-.6),1);for(q.zy--;i++<80.;){o.rgb+=hsv(q.z,.5,min(e*s-.3,1.)/35.);s=5.;p=q+=d*e*R*.3;p=vec3(log(R=length(p*1.3)),exp2(-p.z/R),atan(p.y,p.x)-t*.3);for(e=--p.y;s<1e3;s+=s)e+=cos(dot(sin(p*s),cos(p.yyz*s+t*.9)))/s*.45;}

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#つぶやきGLSL for(float i,g,e,s;++i<99.;){vec3 p=vec3((FC.xy-.5*r)/r.y*5.+vec2(-1,1),g-6.)*rotate3D(2.,vec3(6,0,6));p.xz*=rotate2D(t*.3);s=3.;for(int i;i++<19;p=vec3(0,4.03,-1)-abs(abs(p)*e-vec3(3,4,3)))s*=e=7.5/dot(p,p*.47);g+=p.y*p.y/s*.3;s=log2(s)-g;o.rgb+=hsv(.5*e,.4,s/7e2);}
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#つぶやきGLSL for(float i,g,e,s;++i<99.;){vec3 p=vec3((FC.xy-.5*r)/r.y*5.+vec2(-1,1),g-6.)*rotate3D(2.,vec3(6,0,6));p.xz*=rotate2D(t*.3);s=3.;for(int i;i++<19;p=vec3(0,4.03,-1)-abs(abs(p)*e-vec3(3,4,3)))s*=e=7.5/dot(p,p*.47);g+=p.y*p.y/s*.3;s=log2(s)-g;o.rgb+=hsv(.5*e,.4,s/7e2);}

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vec3 q,p;q.z--;for(float i,e,v;i++<1e2;o+=.01/exp(e*1e4)){p=q+=e*(.5-FC.rgb/r.y)*rotate3D(t,q+.03);p/=dot(p,p);p=vec3(log(v=length(p))+t/4.,p.y/v-1.5,atan(p.z,p.x));p=fract(p/PI*3.5)-.5;for(int i;i++<9;p=abs(p/e))v/=e=dot(p,p=mod(--p,2.)-1.);e=max(p.y-.1,length(p.xz)-1.)/v*.3;}
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vec3 q,p;q.z--;for(float i,e,v;i++<1e2;o+=.01/exp(e*1e4)){p=q+=e*(.5-FC.rgb/r.y)*rotate3D(t,q+.03);p/=dot(p,p);p=vec3(log(v=length(p))+t/4.,p.y/v-1.5,atan(p.z,p.x));p=fract(p/PI*3.5)-.5;for(int i;i++<9;p=abs(p/e))v/=e=dot(p,p=mod(--p,2.)-1.);e=max(p.y-.1,length(p.xz)-1.)/v*.3;}

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"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;
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"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;

Xor

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for(float i,g,e,s;++i<139.;){vec3 p=vec3((FC.xy-.5*r)/r*.1+vec2(0,1.24),g-1.5);p.zx*=rotate2D(t*.3-2.);s=1.;for(int i;i++<23;p=vec3(.2,3.96,-.65)-abs(abs(p)*e-vec3(2.7,3.95+e*.15,3.5-g)))s*=e=5./dot(p,p*.47);g+=p.y/s;s=log(s)*g;o.rgb+=.01-hsv(e/i-.4,p.y*.4,s/1e3);}s;#つぶやきGLSL
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for(float i,g,e,s;++i<139.;){vec3 p=vec3((FC.xy-.5*r)/r*.1+vec2(0,1.24),g-1.5);p.zx*=rotate2D(t*.3-2.);s=1.;for(int i;i++<23;p=vec3(.2,3.96,-.65)-abs(abs(p)*e-vec3(2.7,3.95+e*.15,3.5-g)))s*=e=5./dot(p,p*.47);g+=p.y/s;s=log(s)*g;o.rgb+=.01-hsv(e/i-.4,p.y*.4,s/1e3);}s;#つぶやきGLSL

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for(float i,g,e,s;++i<139.;){vec3 p=vec3((FC.xy-.5*r)/r*.1+vec2(0,1.18),g-1.4);p.zx*=rotate2D(t*.3-9.);s=1.;for(int i;i++<26;p=vec3(.33,4,-.64)-abs(abs(p)*e-vec3(2.7,3.95+e*.15,3.5-g)))s*=e=5./dot(p,p*.5);g+=p.y/s;s=log(s)*g+g;o.rgb+=.01-hsv(e/i-.38,p.y*.4,s/1e3);}s;#つぶやきGLSL
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for(float i,g,e,s;++i<139.;){vec3 p=vec3((FC.xy-.5*r)/r*.1+vec2(0,1.18),g-1.4);p.zx*=rotate2D(t*.3-9.);s=1.;for(int i;i++<26;p=vec3(.33,4,-.64)-abs(abs(p)*e-vec3(2.7,3.95+e*.15,3.5-g)))s*=e=5./dot(p,p*.5);g+=p.y/s;s=log(s)*g+g;o.rgb+=.01-hsv(e/i-.38,p.y*.4,s/1e3);}s;#つぶやきGLSL

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vec3 f=vec3(.2,.4,1.5),p;for(float i,e,g,S,u;i++<50.;o+=exp(e*5e3-sin(vec4(4,3,2,0)*p.z-log(S)))/50.){p=vec3((FC.xy-.5*r)/r.y*g,g)-i/3e4;mat2 M=rotate2D(t/8.);p.yz*=M*M;p--;p.yx*=M;S=5.;for(int j;j++<20;p/=u)S/=u=dot(p=2.*clamp(p,-f,f)-p,p);g-=e=p.z/S;} #つぶやきGLSL
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vec3 f=vec3(.2,.4,1.5),p;for(float i,e,g,S,u;i++<50.;o+=exp(e*5e3-sin(vec4(4,3,2,0)*p.z-log(S)))/50.){p=vec3((FC.xy-.5*r)/r.y*g,g)-i/3e4;mat2 M=rotate2D(t/8.);p.yz*=M*M;p--;p.yx*=M;S=5.;for(int j;j++<20;p/=u)S/=u=dot(p=2.*clamp(p,-f,f)-p,p);g-=e=p.z/S;} #つぶやきGLSL

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float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-.2,.4);for(q.yz--;i++<99.;){o.rgb+=hsv(.6+e,.3,min(e*s*e/.01,.4-e)/9.);s=1.;p=q+=d*e*R*.3;p=vec3(log2(R=length(p))-t*.6,exp(-p.z/R+.5),atan(p.x,p.y)-t*.3);for(e=--p.y;s<1e3;s+=s)e+=-abs(dot(cos(p.zxy*s),.2-sin(t*.3-p*s)))/s*.24;}#つぶやきGLSL
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float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-.2,.4);for(q.yz--;i++<99.;){o.rgb+=hsv(.6+e,.3,min(e*s*e/.01,.4-e)/9.);s=1.;p=q+=d*e*R*.3;p=vec3(log2(R=length(p))-t*.6,exp(-p.z/R+.5),atan(p.x,p.y)-t*.3);for(e=--p.y;s<1e3;s+=s)e+=-abs(dot(cos(p.zxy*s),.2-sin(t*.3-p*s)))/s*.24;}#つぶやきGLSL

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#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-.5,.2);for(q.yz--;i++<99.;){o.rgb+=hsv(.6+e,.4,min(e*s*e/.01,.3-e)/9.);s=1.;p=q+=d*e*R*.3;p=vec3(log2(R=length(p))-t*.3,exp(-p.z/R+.5),atan(p.x,p.y)-t*.3)-1.5;for(e=--p.y;s<1e3;s+=s)e+=-abs(dot(cos(p.zxy*s),.2-sin(p*s)))/s*.24;}
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#つぶやきGLSL float i,e,R,s;vec3 q,p,d=vec3(FC.xy/r-.5,.2);for(q.yz--;i++<99.;){o.rgb+=hsv(.6+e,.4,min(e*s*e/.01,.3-e)/9.);s=1.;p=q+=d*e*R*.3;p=vec3(log2(R=length(p))-t*.3,exp(-p.z/R+.5),atan(p.x,p.y)-t*.3)-1.5;for(e=--p.y;s<1e3;s+=s)e+=-abs(dot(cos(p.zxy*s),.2-sin(p*s)))/s*.24;}

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vec3 f=vec3(.6,.2,2),p;for(float i,j,e,g,S,u;i++<50.;o+=exp(-e*e*1e13/S+sin(vec4(3,4,5,0)*exp(++p.z)-log(S)))/1e2){p=(FC.rgb/r.y-1.)*g;mat2 M=rotate2D(t/8.);p.yz*=M*M;p--;p.yx*=M;S=5.;for(j=s;j++<20.;p/=u)S/=u=dot(p=2.*clamp(p,-f,f)-p,p)*(.6+g*.2);g-=e=5e-4+p.z/S;} #つぶやきGLSL
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vec3 f=vec3(.6,.2,2),p;for(float i,j,e,g,S,u;i++<50.;o+=exp(-e*e*1e13/S+sin(vec4(3,4,5,0)*exp(++p.z)-log(S)))/1e2){p=(FC.rgb/r.y-1.)*g;mat2 M=rotate2D(t/8.);p.yz*=M*M;p--;p.yx*=M;S=5.;for(j=s;j++<20.;p/=u)S/=u=dot(p=2.*clamp(p,-f,f)-p,p)*(.6+g*.2);g-=e=5e-4+p.z/S;} #つぶやきGLSL

yonatan

13,560 次观看 • 7 个月前