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I captured another stabilized sky timelapse to visualize the Earth’s rotation. This is about 5 hours of real time. I also recorded a behind-the-scenes timelapse, as well. Captured at the Alabama Hills, CA in Sept 2022.
#EppurSiMuove #AndYetItMoves #StabilizedSky #EarthRotation
时政
(
twitter.com
)
由
Eric Brummel
提交
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for(float i,g,k,e,s,q;i++<1e2;o+=.01/exp(q*i)){vec3 p=vec3((FC.xy-r*.5)/r.y*g,g-4.);p.zy*=rotate2D(cos(k=t*.3));p=vec3(log(q=s=length(p))-k,p.y/s,atan(p.x,p.z)+k)/PI*9.;k=p.y--;for(int j;j++<9;p/=e)p-=sign(p=mod(++p,2.)-1.)*.02*k*k*log(8./s),q*=e=dot(p,p);g+=q*.05;}
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for(float i,g,k,e,s,q;i++<1e2;o+=.01/exp(q*i)){vec3 p=vec3((FC.xy-r*.5)/r.y*g,g-4.);p.zy*=rotate2D(cos(k=t*.3));p=vec3(log(q=s=length(p))-k,p.y/s,atan(p.x,p.z)+k)/PI*9.;k=p.y--;for(int j;j++<9;p/=e)p-=sign(p=mod(++p,2.)-1.)*.02*k*k*log(8./s),q*=e=dot(p,p);g+=q*.05;}
#つぶやきGLSL
时政
(
twitter.com)
00:00:20
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