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fix: exp envelope allow 0 without blowup

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This commit is contained in:
Felix Roos 2023-08-31 04:35:35 +02:00
parent 26d7a32f11
commit 876f97e9a2
1 changed files with 2 additions and 0 deletions
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packages/superdough/helpers.mjs
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@ -40,6 +40,8 @@ export const getEnvelope = (attack, decay, sustain, release, velocity, begin) =>
}; };
export const getExpEnvelope = (attack, decay, sustain, release, velocity, begin) => { export const getExpEnvelope = (attack, decay, sustain, release, velocity, begin) => {
sustain = Math.max(0.001, sustain);
velocity = Math.max(0.001, velocity);
const gainNode = getAudioContext().createGain(); const gainNode = getAudioContext().createGain();
gainNode.gain.setValueAtTime(0.0001, begin); gainNode.gain.setValueAtTime(0.0001, begin);
gainNode.gain.exponentialRampToValueAtTime(velocity, begin + attack); gainNode.gain.exponentialRampToValueAtTime(velocity, begin + attack);