strudel/20251222.md を追加

strudel/20251222.md

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+```javascript
+await initHydra({feedStrudel:1})
+gradient(1).mask(voronoi(1,1,1,1),2,0.3)
+.repeat(2,2).color(1,H("<1 0 1 0>".slow(8),1,0))
+.modulateRotate(osc(0.25,-0.5,-0.5),0.2,0.2)
+.modulateRepeat(osc(0.5), 2.0, 2.0, 0.5, 0.5)
+.scroll(2).hue(() => Math.sin(time)/8)
+.out()
+setcps(140/60/4)
+$_:sound("- - sbd -").dec(perlin.range(0.3,1).slow(4)).gain(1/4).fast(1)
+$:sound((rand.range(0,3).seg(4).slow(4))
+        .pick(["- hh white hh",
+               "hh white - hh",
+               "hh hh - cr",
+               "hh - hh oh"
+              ])
+        .off(1/16,x=>x.gain(1/8))
+       ).fast(1)
+  .dec(1/16).degradeBy(1/4)
+  .sometimes(x=>x.ply(2)).pan(rand.slow(2.1))
+
+$_:note("c1!2".off(1/32,x=>x.add(0.05,0.1,0.15))).sound("supersaw")
+  .fm(2.1).fmh(1.1).dec(0.8)
+  .lpf(sine.range(100,300).slow(12)).gain(0.2)
+
+$_:note("c3!4").sound((rand.range(0,2).seg(3))
+                     .pick(["gm_synth_bass_2:<2 0 7>",
+                            "gm_pad_halo:<1 7 5>",
+                            "gm_pad_metallic:<3 0 4>",
+                           ]))
+  .hpf(sine.range(300,800).seg(6).slow(7)).hpq(perlin.range(0,15).seg(16).slow(16))
+  .sometimesBy(perlin.range(0.7,1).slow(4),x=>x.mask(0))
+  .att(1/2).dec(1/4).sus(1/4).rel(1/2)
+  .delay(1/2).dt(2/3).dfb(1/2).room(2).roomsize(2).gain(0.3)
+  .pan(rand.slow(3.1)).rlp(3000).fast(1)
+
+all(x=>x.postgain(1.1))
+```