0x5fa19adf…d3ccsent to0x99a9b7c1…b069·#17,816,624·view on Etherscan
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T(t,e,v,.3,.7),this.tape_echo_fb_lfo.connect(this.tape_echo.feedback.gain),this.agc=new AudioWorkletNode(t,"agc"),this.agc.parameters.get("rms_time").setValueAtTime(10,t.currentTime),this.agc.parameters.get("target_gain_dB").setValueAtTime(-15,t.currentTime),this.limiter=t.createDynamicsCompressor(),this.limiter.knee.value=10,this.limiter.threshold.value=-9,this.limiter.ratio.value=15,this.limiter.attack.value=.001,this.limiter.release.value=.01,this.output_flanger=new K(t,5e3,d(-8),1/I,8e3),this.bit_softener=new Y(t,e,.25,-30,1/v,-40),this.output_gain=w(t,0),this.kp_mod_gain=w(t,1),this.kp_toggle_gain=w(t,1),this.kp_ramp_in_gain=w(t,0),this.kp_volume_lfo=new O(t,1/x,d(0),d(r)),this.kp_volume_lfo.setShape("sine"),this.kp_volume_lfo.connect(this.kp_mod_gain.gain);this.kp_panner=t.createStereoPanner(),a&&(this.kp_panner_lfo=new T(t,e,1/v,-.75,.75),this.kp_panner_lfo.connect(this.kp_panner.pan));let V=new Array(I/g);for(let p=0;p<V.length;++p){let t=e.ri(1,3)*e.rc(y);V[p]=this.kp_1.pitchToDelay(t*c)}this.kp_pitch_lfo=new H(t,e,1/_,I,V,.5),this.kp_pitch_lfo.connect(this.kp_1.delay.delayTime);const R=n<40?1/u:1/_;this.filter_frequencies=new Array(64);const D=f[h];for(let p=0;p<this.filter_frequencies.length;++p)this.filter_frequencies[p]=c*e.ri(D[0],D[1])*e.rc(y);switch(this.filter_seq_max=Math.max(...this.filter_frequencies),this.filter_seq_min=Math.min(...this.filter_frequencies),this.filter_lfo=new H(t,e,R,I,this.filter_frequencies,.25),s){case 0:this.sound_source=new X(t,e,c,y,M,l,n,o),this.filter_lfo.connect(this.sound_source.getFreq());break;case 1:this.sound_source=new Z(t,e,c,y,M,l,n,o),this.filter_lfo.connect(this.sound_source.getFreq());break;case 2:this.sound_source=new z(t,e,c,y,M,l,n,o),this.filter_lfo.connect(this.sound_source.getFreq())}this.sound_source.connect(this.kp_1.input),this.sound_source.connect(this.output_flanger.input),this.kp_1.connect(this.kp_filter_hp),this.kp_filter_hp.connect(this.kp_filter_lp).connect(this.kp_mod_gain).connect(this.kp_toggle_gain).connect(this.kp_ramp_in_gain).connect(this.kp_panner).connect(this.output_flanger.input),this.output_flanger.connect(this.agc),this.output_flanger.connect(this.tape_echo.input),this.tape_echo.connect(this.agc),this.agc.connect(this.limiter),this.limiter.connect(this.bit_softener.input),this.bit_softener.connect(this.output_gain),this.output_gain.connect(t.destination),this.analyzer_output_rms=t.createAnalyser(),this.limiter.connect(this.analyzer_output_rms),this.analyzer_filter_fc=t.createAnalyser(),this.filter_lfo.output.connect(this.analyzer_filter_fc),this.is_initialized=!0}start(){this.sound_source.start(),this.tape_echo_fb_lfo.start(),this.filter_lfo.start(),this.kp_volume_lfo.start(),this.kp_pitch_lfo.start(),this.use_panning_lfo&&this.kp_panner_lfo.start(),this.tape_echo.start(),this.output_flanger.start(),this.bit_softener.start()}play(t){this.is_playing=!this.is_playing,"suspended"===this.audioCtx.state&&this.audioCtx.resume(),this.is_playing?(this.is_started||(this.start(),this.is_started=!0),y(this.audioCtx,this.output_gain.gain,d(0),this.audioCtx.currentTime+t),y(this.audioCtx,this.kp_ramp_in_gain.gain,d(0),this.audioCtx.currentTime+4*t)):y(this.audioCtx,this.output_gain.gain,1e-4,this.audioCtx.currentTime+3*t)}set_volume_smoothing(t){this.vol_smoothing_factor=t}set_filter_smoothing(t){this.filter_smoothing_factor=t}set_noise_volume(t){this.sound_source.setNoiseVolume([-52,-44][t])}set_kp_panning_value(t,e){this.use_panning_lfo||y(this.audioCtx,this.kp_panner.pan,t,this.audioCtx.currentTime+.9/e)}set_flanger_frequency(t,e){this.output_flanger.setFrequencyScaled(t,.9/e)}set_amp_mod_depth(t){this.sound_source.setAmplitudeModDepth(t)}toggle_filter_lfo(t){const e=t?1:0;this.filter_lfo.setOutputRange(e)}toggle_kp(t){const e=t?1:0;this.kp_toggle_gain.gain.setValueAtTime(e,this.audioCtx.currentTime)}toggle_echo(t){const e=t?-9:-120;this.tape_echo.setOutputGain(e)}toggle_flanger(t){const e=t?d(-8):0;this.output_flanger.setIntensity(e)}toggle_distortion(t){this.bit_softener.bypass(t)}toggle_amp_mod(t){this.sound_source.toggleAmpMod(t)}getThumbnailModeFreq(t){const e=60/(8*this.tempo),i=60/(4*this.tempo),s=this.tempo<40?e:i,n=Math.floor(t/s)%this.filter_frequencies.length;return this.filter_frequencies[n]}getVolumeRMS(t=!1,e=0){let i=0;if(t)i=.15*(1-this.getThumbnailModeFreq(e)/this.filter_seq_max);else{const t=this.analyzer_output_rms.frequencyBinCount,e=new Float32Array(t);this.analyzer_output_rms.getFloatTimeDomainData(e),i=function(t){let e=0;for(let s=0;s<t.length;++s)e+=t[s]*t[s];let i=e/t.length;return Math.sqrt(i)}(e)}return this.rms_last=this.rms_last+this.vol_smoothing_factor*(i-this.rms_last),R(this.rms_last*U)}getFilterCutoff(t=!1,e=0){let i=0;if(t)i=this.getThumbnailModeFreq(e);else{const t=this.analyzer_filter_fc.frequencyBinCount,e=new Float32Array(t);this.is_playing&&(this.analyzer_filter_fc.getFloatTimeDomainData(e),i=e[t-1])}return i=(i-this.filter_seq_min)/(this.filter_seq_max-this.filter_seq_min),i=Math.max(i,0),this.filter_last=this.filter_last+this.filter_smoothing_factor*(i-this.filter_last),this.filter_last}},Ae={},ye=0;const Me=.5,be=.8;let Te,Ge,Fe,ke,Ve,Re,De,Be,We,Se,qe,Pe,ze,Xe,Ze,He,Oe,Ke,Ye=new class{constructor(t){this.op_t=t?1:0,this.rev_v=t?1:0,this.rev_start=-1,this.away_idle_start_t=-1,this.total_t=0,this.idle=!0,this.in_rev=!1,this.prev_t=0,this.reveal_duration=1}set_end_init_t(t){this.end_init_t=t}set_speed(t){this.speed=t}start_rev(){this.in_rev=!0;let t=Date.now();this.rev_start=t,this.idle&&(this.away_idle_start_t=t,this.prev_t=0)}anim_running(){return!this.idle||this.in_rev}show_text(){return this.idle||this.in_rev}tick(t=!1){if(t)return void(this.total_t=this.speed*(Date.now()-this.end_init_t)/1e3);this.op_t=B(R((Date.now()-this.end_init_t)/1e3-.1)),this.in_rev&&this.tick_rev(!this.idle);let e=0;if(this.anim_running()){let t=(Date.now()-this.away_idle_start_t)/1e3;e=(t-this.prev_t)*this.speed,this.prev_t=t}this.total_t+=e}tick_rev(t){let e=(Date.now()-this.rev_start)/1e3,i=Math.max(0,Math.min(1,e/this.reveal_duration));t&&(i=1-i),this.rev_v=B(i),!this.idle&&this.rev_v<=0&&(this.idle=!0,this.in_rev=!1),this.idle&&this.rev_v>=1&&(this.in_rev=!1,this.idle=!1)}set_reveal_duration(t){this.reveal_duration=t}}(me),je=4.7,Ne=.999,Le=.08,Ue=0,Qe=30,Je=Qe,Ee=.5,$e=.125,ti=.5,ei=.25,ii=3,si=.19,ni=1,hi=1,ri=2.5,ai=1,oi=!1,ci=!1,li=1.3,ui=.92,_i=.1,pi=2.75;const fi=new(window.AudioContext||window.webkitAudioContext);function gi(){let t=window.innerWidth,e=window.innerHeight;ie=~~(e*Et>=t?t:e*Et),se=~~(t/Et>=e?e:t/Et),ne=ie/$t,Ut.material.uniforms.u_sc.value=ne/1.8,Ut.material.uniforms.u_res.value=new i.Vector2(ie*ee,se*ee),Ut.material.uniforms.u_pxl_ratio.value=ee,jt.setPixelRatio(ee),jt.setSize(ie,se)}function mi(){setTimeout((function(){requestAnimationFrame(mi)}),1e3/_e),Ie.is_playing?(Ae.output_volume=F(0,Ie.getVolumeRMS(),Ye.rev_v),Ae.filter_fc=F(.9,Ie.getFilterCutoff(),Ye.rev_v)):(Ae.output_volume=F(0,R(Ie.rms_last*U),Ye.rev_v),Ae.filter_fc=F(.9,Ie.filter_last,Ye.rev_v)),we||(Ae.filter_fc=1==Ue?.1:.2),Ye.tick(me);let t=Ye.total_t;me&&(Ae.filter_fc=Ie.getFilterCutoff(!0,t),Ae.output_volume=Ie.getVolumeRMS(!0,t));let e=Ge.sdf?ei:.25,i=Ge.sdf?ii:1;if(de=k(Ae.filter_fc,0,1,e,i),Te&&(e=Te.sdf?ei:.25,i=Te.sdf?ii:1,ve=k(Ae.filter_fc,0,1,e,i)),!De&&Xe.length>=2){let t=Xe.slice(),e=re.ri(0,t.length-1);Ut.material.uniforms.u_c_1.value=t[e].main(),t.splice(e,1),Ut.material.uniforms.u_c_2.value=re.rc(t).main()}Ge.tick_n(t,$t,te,$e,ti,ce,le),Te&&Te.tick_n(t,$t,te,$e,ti,ce,le,-1);let s=Dt(He[0],He[1],Ge,Te);if(Ie.is_initialized&&Ie.set_kp_panning_value(s,_e),Fe.update(t),Ie.is_initialized&&Ie.set_amp_mod_depth(Math.abs(Fe.amt_mult)),Oe=W(t,7,5),0==Ue){let t=Qe>30?Qe<60?-45:-70:50,e=10;Je=Math.min(85,Math.max(e,Qe+t*(1-Oe)*de))}else Je=Qe;Ie.is_initialized&&Ie.set_flanger_frequency(Oe,_e);let n=k(pi*Ae.output_volume,0,1,1,-1.25);Re=F(1.4*je,je+n,Ye.rev_v),he=F(10,14,Ye.rev_v),Ut.material.uniforms.u_g_thresh.value=F(.9993,Ne,Ye.rev_v),Ut.material.uniforms.u_t.value=(Date.now()-Ye.end_init_t)/1e3,Ut.material.uniforms.u_g_amt.value=F(Me,be,Ye.rev_v),function(t){if(Nt){let e=0,i=0,s=0,n=0,h=0,r=!1,a=0,o=0,c=F(.71,1,Ye.rev_v),l=F(-2,li,Ye.op_t);for(l=F(l,0,Ye.rev_v);i<=$t;){let u=Fe.shaped_offset(i,$t);s=u,a=di(n,h,i,s,t);let _=F(u-1,te+u,Ye.op_t);for(;s<=_&&!(e>=pe);){let u,_,p;if(oi&&(u=Bt(Ge,Te,"s_depth")),ci&&(_=Bt(Ge,Te,"c_depth")),De)re.r()<(r?Ee:.005)?(p=Pe,r=!0):(p=Xe[0],r=!1);else{let t=vi(a,Xe.length);p=Xe[t]}if(p=Ze?p.var(re):p.main(),oe.copy(p),ci&&void 0!==ze){let t=k(_,0,1,0,.25),e=_?Math.min(1,re.rg(_,t)):1;oe.lerp(ze,_?e*(1-Ae.filter_fc):0)}let f=(i-$t/2)*ne+ie/2,g=(s-te/2)*ne+se/2;f=k(f,0,ie,Kt.left+Re,Kt.right-Re),g=k(g,0,se,Kt.bottom+Re,Kt.top-Re),ae.position.set(f,g+l,-1);let m=1,d=k(1-u,0,1,.25,0),v=oi&&void 0!==u?Math.min(1,re.rg(k(1-u,0,1,Ke,1),d)):1;if(2!=Ue){let t;if(ai){t=V(.25,Ve,k(a,si,ii,Ve,.25)),t*=re.rn(.8,1.2)}else t=re.rn(.25,Ve);m=Je*t*c*v}let C=!1;if(0==Ue)ae.scale.set(m,m,1);else if(1==Ue)if(C=re.r()>F(.9995,1,1-Oe)&&o<fe,C){let t=.5,e=Math.max(0,re.rg(t,1)),i=Math.max(0,re.rg(t,1)),s=k(Je,Wt,St,12,8),n=re.rg(s,5);e<.25?i*=n:i<.25&&(e*=n),ae.scale.set(m*e,m*i,1)}else ae.scale.set(m,m,1);else if(2==Ue){let e=ke.parallel()?.95:.8,r=ke.parallel()?1:Oe;e=F(e/1.1,e,Ye.rev_v);let o,l=re.rg(F(Be,3,r),F(.1,e,r));if(0==ni){o=V(hi,ri,k(a,si,ii,ri,hi))}else 1==ni&&(o=re.rn(hi,ri));ae.scale.set(v*c*Je/l,o,1);let u=ke.rotation_at_time(n,h,i,s,t,a,$e,ii,le);ae.rotation.set(0,0,u)}ae.updateMatrix(),C?(Lt.setMatrixAt(o,ae.matrix),Lt.setColorAt(o,oe),o++):(Nt.setMatrixAt(e,ae.matrix),Nt.setColorAt(e,oe)),h++,a=di(n,h,i,s,t),s+=a*he,e++}n++,h=0,a=di(n,h,i,s,t),i+=a*he}Nt.instanceMatrix.needsUpdate=!0,Nt.instanceColor&&(Nt.instanceColor.needsUpdate=!0),Nt.count=e,1==Ue&&(Lt.instanceMatrix.needsUpdate=!0,Lt.instanceColor&&(Lt.instanceColor.needsUpdate=!0),Lt.count=o)}}(t),Ye.show_text()&&!me?(Qt.mesh.parent!==Yt&&Yt.add(Qt.mesh),Qt.render(re,ae,Se,qe,Ue,Ye,ge)):Qt.mesh.parent===Yt&&Yt.remove(Qt.mesh),jt.render(Yt,Kt)}function di(t,e,i,s,n){let h=Ge.incr_for(t,e,i,s,n,te,$t,$e,ii,ce,le,de);if(Te){let r=Te.incr_for(t,e,i,s,n,te,$t,$e,ii,ce,le,ve);h=Math.min(h,r)}return h=Math.max(si,Math.floor(8*h)/8),h}function vi(t,e){if(1==e)return 0;let i=t;i*=8;let s=i%e;return Math.floor(s)}function Ci(){"suspended"!==fi.state&&"interrupted"!==fi.state||fi.resume(),Ye.in_rev||(Ye.start_rev(),Ie.play(ye))}function 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