Obscura

en -a concept of infinity-

Spin the dial on the frame's edge, press the shutter. 24 exposures per roll.

BGM

The raw negative. Exactly what the shader sees.Drag or scroll the dial · ↑↓ · 1–4 stock · M mode · B music · Space shutter

Contact roll

click a frame to enlarge & save

Engraved on the base plate

float i,s,R,e;vec3 q,p,d=vec3((FC.xy-.5*r)/r.y*(.5-sin(t*.4)*.2),.9);;for(q.z--;i++<63.;){e+=i/7e3;if(i>38.)d=vec3(-1);o+=e/23.;s=1.;p=q+=d*e*R*.23;p=vec3(log(R=length(p)+5e-2)-t*.2,-p.z/R,p.y-p.x-t*.2);for(e=--p.y;s<2e3;s+=s)e+=cos(dot(cos(p*s),sin(p.zxy*s)))/s;}