tome started

This commit is contained in:
Seth Trowbridge 2022-12-10 15:23:49 -05:00
parent 5a6415b6fe
commit b6f990f266
2 changed files with 99 additions and 0 deletions

92
src/tone.js Normal file
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@ -0,0 +1,92 @@
import React from "react";
// setup audio context
const AudioContextConstructor = window.AudioContext || window.webkitAudioContext;
const Context = new AudioContextConstructor();
// create audio nodes
const Oscillator = Context.createOscillator();
const GainVolume = Context.createGain();
const GainBeep = Context.createGain();
const GainLeft = Context.createGain();
const GainRight = Context.createGain();
const ChannelMerge = Context.createChannelMerger(2);
// wire up audio nodes
Oscillator.connect(GainVolume);
GainVolume.connect(GainBeep);
GainBeep.connect(GainLeft);
GainBeep.connect(GainRight);
GainLeft.connect(ChannelMerge, 0, 0);
GainRight.connect(ChannelMerge, 0, 1);
ChannelMerge.connect(Context.destination);
// start
GainBeep.gain.value = 0;
GainLeft.gain.value = 0;
GainRight.gain.value = 0;
GainVolume.gain.value = 0;
Oscillator.start(Context.currentTime+0.0);
const pad = 0.0015;
/** @type {(inNode:AudioParam, inValue:number, inDelay:number)=>AudioParam} */
const change = (inNode, inValue, inDelay) => inNode.linearRampToValueAtTime(inValue, Context.currentTime+inDelay);
/** @type {(inNode:AudioParam, inStart:number, inDuration:number)=>void} */
const pulse = (inNode, inStart, inDuration) =>
{
change(inNode, 0, inStart);
change(inNode, 1, inStart+pad);
change(inNode, 1, (inStart+inDuration)-pad );
change(inNode, 0, (inStart+inDuration) );
};
/** @type {(inDuration:number, inContinuous:boolean, inChannel:number, inFreq:number, indBHL:number)=>void} */
const Start = (inDuration, inContinuous, inChannel, inFreq, indBHL) =>
{
Context.resume();
GainBeep.gain.cancelScheduledValues(Context.currentTime);
GainBeep.gain.setValueAtTime(0, Context.currentTime);
change(GainLeft.gain, 1-inChannel, pad);
change(GainRight.gain, inChannel, pad);
change(Oscillator.frequency, inFreq, pad);
change(GainVolume.gain, indBHL, pad);
if (inContinuous)
{
pulse(GainBeep.gain, 0.01, 0.8);
}
else
{
pulse(GainBeep.gain, 0.01, 0.2);
pulse(GainBeep.gain, 0.33, 0.2);
pulse(GainBeep.gain, 0.66, 0.2);
}
};
export const useTone =()=>
{
const [responseGet, responseSet] = React.useState(0);
const [playGet, playSet] = React.useState(0);
React.useEffect(()=>
{
/** @type {number|undefined} */
let timer;
if(playGet == 1)
{
let volNorm = 0.5//(State.dBHL-10)/ 130;
Start(1, false, 0, 500, (volNorm*0.8) + 0.2);
//responseSet(State.dBHL - currentChan.Answer[0]);
timer = setTimeout(()=>{playSet(2)}, 300 + Math.random()*1000);
}
return () => clearTimeout(timer);
}, [playGet]);
return {Play:()=>{playSet(1)}, Playing:playGet == 1, Response:playGet == 2 && responseGet };
};

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@ -1,6 +1,7 @@
import React from "react"; import React from "react";
import { html } from "htm"; import { html } from "htm";
import * as Store from "./store.js"; import * as Store from "./store.js";
import * as Tone from "./tone.js";
/** @typedef {({children}:{children?:preact.ComponentChildren})=>preact.VNode} BasicElement */ /** @typedef {({children}:{children?:preact.ComponentChildren})=>preact.VNode} BasicElement */
@ -55,6 +56,8 @@ export const Controls =()=>
{ {
const [State, Dispatch] = Store.Consumer(); const [State, Dispatch] = Store.Consumer();
const {Play} = Tone.useTone();
return html` return html`
<div class="flex"> <div class="flex">
<div>Channel</div> <div>Channel</div>
@ -80,6 +83,10 @@ export const Controls =()=>
<${Button} onClick=${()=>Dispatch({Name:"Mark", Data:false})}>No Response<//> <${Button} onClick=${()=>Dispatch({Name:"Mark", Data:false})}>No Response<//>
<${Button} onClick=${()=>Dispatch({Name:"Mark", Data:null })} disabled=${State.Live.Mark == undefined}>Clear<//> <${Button} onClick=${()=>Dispatch({Name:"Mark", Data:null })} disabled=${State.Live.Mark == undefined}>Clear<//>
</div> </div>
<div class="flex">
<div>Play</div>
<${Button} onClick=${Play}>continuous<//>
</div>
`; `;
}; };