kieran-mcauliffe/max-mod-enum
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lfo movement display

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Kieran McAuliffe 2024-07-22 11:51:12 +02:00
parent d395e0b66a
commit 108ecd1a1d
1 changed files with 7 additions and 4 deletions
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11
modulators.js
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@ -21,6 +21,7 @@ function LfoRow(props){
ListItem(e(NumberBox, {onChange:props.setFreq, value:props.freq, step: 0.1}, null)),
ListItem(e(NumberBox, {onChange:props.setAmp, value:props.amp, step:0.1}, null)),
ListItem(e(NumberBox, {onChange:props.setPhase, value:props.phase, step:0.1}, null)),
ListItem(e("input", {type: 'range', min: 0, max: 1, step: 0.01, readonly: true, id: `slider-${props.djParam}`})),
ListItem(e(Button, {text:'+', onClick: props.addLfo}, null)),
ListItem(e(Button, {text:'-', onClick: props.removeLfo}, null))
);
@ -32,7 +33,7 @@ function LfoRow(props){
function indexWave(type, phase){
switch (type){
case "Sine":
return (Math.sin(phase * Math.PI * 2)/2) + 1;
return (Math.sin(phase * Math.PI * 2) / 2) + 0.5;
case "SawUp":
return phase;
case "SawDown":
@ -52,17 +53,19 @@ function operateModulators(visibleArr, paramNames, centers, freqs, amps, waveTyp
if (centers.hasOwnProperty(name)){
center = centers[name];
}
let output = operateModulator(center, freqs[i], amps[i], waveTypes[i], phaseArr, i, delta);
let output = operateModulator(center, freqs[i], amps[i], waveTypes[i], phaseArr, i, delta, name);
window.dispatchEvent(new CustomEvent('enum', {'detail' : [name, output]}));
}
}
}
function operateModulator(center, freq, amp, waveType, phaseArr, phaseI, delta){
function operateModulator(center, freq, amp, waveType, phaseArr, phaseI, delta, name){
let oldPhase = phaseArr[phaseI];
let newPhase = (oldPhase + freq * delta) % 1.00;
let unscaled = indexWave(waveType, newPhase);
document.getElementById(`slider-${name}`).value = unscaled;
phaseArr[phaseI] = newPhase;
return indexWave(waveType, newPhase) * amp + center;
return unscaled * amp + center;
}