JS1k: The JavaScript code golfing competition
2010 - The Original
Raymarcher, flying through a torus field and a cube field, alternately, smoothly blending between the two, with soundtrack, and a few bytes to spare. Potentially a bit heavy on the CPU. ;) Much thanks…
- Author:
- halcy
- Twitter:
- @
- GitHub:
- Facebook:
- Google+:
- +
- Reddit:
- /r/
- Pouet:
- Website:
- halcy.de
- Compo:
- classic
- Demo link:
- https://js1k.com/2010-first/demo/766
- Shortlink:
- https://js1k.com/766
- Blog post:
- please update here!
- Bytes:
- 1016
- Chars:
- 1016
- Submission
d=document;c=d.createElement('embed');c.src="data:audio/midi;base64,TVRoZAAAAAYAAAABACBNVHJrAAAAGgCQQH8ggEAAIJBCfyCAQgAgkER/IIBEAEAv";f='true';c.s=c.setAttribute;c.s('loop',f);c.s('hidden',f);d.body.appendChild(c);c=d.body.children[0];d=c.getContext('2d');w=c.width=c.height=100;e=d.getImageData(0,0,w,w);a=e.data;p=Math;h=p.floor;k=p.sqrt;t=0;setInterval("t+=.1;for(m=0;m<w;m++){for(n=0;n<w;n++){x=y=c=z=0;f=1;u=(w/2-m)*.1;i=(w/2-n)*.1;o=10.0;s=p.cos;x=t/5;v=u*s(x)-i*p.sin(x);i=u*p.sin(x)+i*s(x);u=v;l=k(u*u+i*i+o*o);u/=l;i/=l;o/=l;while(f>.08&&c<25){q=x-h(x)-.5;r=y-h(y)-.5;g=z+t-h(z+t)-.5;v=k(q*q+r*r)-.32;b=k(v*v+g*g)-.01;q=x-h(x-.5)-1;v=k(q*q+g*g)-.4;f=p.min(b,k(v*v+r*r)-.01);v=p.abs;s=p.max;v=s(s(v(q),v(r)),v(g))-.2;s=t%11;if(s>5&&s<10){if(s<=6){j=6-s;f=f*j+v*(s-5);}else{f=v;}}if(s>10){j=s-10;f=v*(11-s)+f*j;}x+=f*u;y+=f*i;z+=f*o;c++}s=4*(n*w+m);if(b>.1){a[s]=255-c*10;a[s+1]=0;}else{a[s]=0;a[s+1]=255-c*10;}a[s]*=j;a[s+1]*=j;a[s+1]+=((1-j)*10)*c;a[s+2]=p.abs(z*50);a[s+3]=255;}}d.putImageData(e,0,0);",9);- Description
- Raymarcher, flying through a torus field and a cube field, alternately, smoothly blending between the two, with soundtrack, and a few bytes to spare. Potentially a bit heavy on the CPU. ;) Much thanks to WAHa_06x36 for the brilliant background music.
- Base64 encoded
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Original source not submitted