adrien/angry-notes
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exponentialRampToValueAtTime

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Adrien MALINGREY 2024-09-23 19:26:42 +02:00
parent 40900f472c
commit 257a354be7
1 changed files with 7 additions and 13 deletions
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18
app.js
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@ -528,8 +528,7 @@ function stopShoot(note) {
if (!cannonSprites[note].oscillator) return if (!cannonSprites[note].oscillator) return
var oscillator = cannonSprites[note].oscillator var oscillator = cannonSprites[note].oscillator
velocity = oscillator.velocity.gain.value oscillator.velocity.gain.exponentialRampToValueAtTime(0, Tone.Transport.seconds, 0.5)
oscillator.velocity.gain.exponentialRampToValueAtTime(1, Tone.Transport.seconds, 0.5)
oscillator.stop(Tone.Transport.seconds + 0.5) oscillator.stop(Tone.Transport.seconds + 0.5)
delete(cannonSprites[note].oscillator) delete(cannonSprites[note].oscillator)
@ -576,7 +575,7 @@ function update(time) {
}) })
} }
function playNote(note, velocity=0.7, duration=0, time=Tone.Transport.seconds) { function playNote(note, velocity=0.7, duration=0, time=audioCtx.currentTime) {
if(oscillators[note]) return if(oscillators[note]) return
var oscillator = audioCtx.createOscillator() var oscillator = audioCtx.createOscillator()
@ -592,19 +591,14 @@ function playNote(note, velocity=0.7, duration=0, time=Tone.Transport.seconds) {
depth.connect(oscillator.detune) depth.connect(oscillator.detune)
if (duration) {
oscillator.velocity.gain.exponentialRampToValueAtTime(1, time + duration, 0.5)
oscillator.stop(time + duration + 0.5)
} else {
oscillators[note] = oscillator oscillators[note] = oscillator
} if (duration) stopNote(note, time + duration)
} }
function stopNote(note, time=Tone.Transport.seconds) { function stopNote(note, time=audioCtx.currentTime) {
if(!oscillators[note]) return if(!oscillators[note]) return
velocity = oscillators[note].velocity.gain.value oscillators[note].velocity.gain.exponentialRampToValueAtTime(0, time + 0.5)
oscillators[note].velocity.gain.exponentialRampToValueAtTime(1, time, 0.5)
oscillators[note].stop(time + 0.5) oscillators[note].stop(time + 0.5)
delete(oscillators[note]) delete(oscillators[note])
@ -628,7 +622,7 @@ function playNoise(startGain=0.5, bandHz=1000, duration, time) {
frequency: bandHz, frequency: bandHz,
}) })
const gain = new GainNode(audioCtx) const gain = new GainNode(audioCtx)
gain.gain.exponentialRampToValueAtTime(0.5, time, duration) gain.gain.exponentialRampToValueAtTime(0, time, duration)
noise.connect(bandpass).connect(gain).connect(audioCtx.destination) noise.connect(bandpass).connect(gain).connect(audioCtx.destination)
noise.start() noise.start()
noise.stop(time + duration) noise.stop(time + duration)