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TinyChan

New reply in topic: Bytebeat/Floatbeat/Funcbeat

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Replying to Anonymous C…

Type: Funcbeat, this is just a shitty random noisy metallic loop generator (could record a few bits to use as a drum loop)…
let arr0=l=>new Array(l).fill(0),
    delay=length=>{
      let a=arr0(length),i=0;
      return x=>{
        a[i]=x;
        i=(i+1)%length;
        return a[i];
      };
    },
    reverb=()=>{
      let s=72,d=[],init=()=>{
        let p=300+(random()*5000);
        for(let i=0;i<s;i++){
          d[i]=[
            delay(4+floor(random()*p)),
            (.1+(random()*.23))*(random()<.5?1:-1)
          ];
        }
      };init();
      return{
        p:x=>{
          let o=x;
          for(let i=0;i<s;i++){
            o+=d[i][0](i===0?x:o)*d[i][1];
          }
          return o;
        },
        i:init
      };
    };
let c={c:5e3,t:0,a:0,ar:true},r=reverb(),a=arr0(c.c);
c.c2=c.c;
return t=>{
  let m=0;
  c.t++;
  if(c.t>=c.c2){c.t=0;
    r.i();
    m++;
    c.c2=c.c/(1+floor(random()*2));
  }
  c.a++;
  if(c.a>=c.c*4){c.a=0;
    c.ar=random()<.3;
  }
  m=r.p(m);
  if(c.ar){a[c.a]=m;}else{
    m=a[c.a%c.c]+a[floor(c.a/2)%c.c]+a[floor(c.a/4)];
  }
  return m;
};