adrien/angry-notes
adrien/angry-notes
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

exponentialRampToValueAtTime

Browse Source
This commit is contained in:
Adrien MALINGREY 2024-09-23 19:14:37 +02:00
parent 182de5b3fc
commit 455f96bb3d
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
app.js
View File

@ -508,7 +508,7 @@ function shoot(note) {
var oscillator = audioCtx.createOscillator({type: "sawtooth"}) var oscillator = audioCtx.createOscillator({type: "sawtooth"})
oscillator.type = "sawtooth" oscillator.type = "sawtooth"
oscillator.frequency.value = FREQUENCIES[note - 12] oscillator.frequency.value = FREQUENCIES[note - 24]
oscillator.velocity = audioCtx.createGain() oscillator.velocity = audioCtx.createGain()
oscillator.velocity.gain.value = 0 oscillator.velocity.gain.value = 0
@ -529,7 +529,7 @@ function stopShoot(note) {
var oscillator = cannonSprites[note].oscillator var oscillator = cannonSprites[note].oscillator
velocity = oscillator.velocity.gain.value velocity = oscillator.velocity.gain.value
oscillator.velocity.gain.setValueCurveAtTime([velocity, velocity/10, velocity/20, 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 +576,7 @@ function update(time) {
}) })
} }
function playNote(note, velocity=0.7, duration=0, time=0) { 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()
@ -593,18 +593,18 @@ function playNote(note, velocity=0.7, duration=0, time=0) {
depth.connect(oscillator.detune) depth.connect(oscillator.detune)
if (duration) { if (duration) {
oscillator.velocity.gain.setValueCurveAtTime([velocity, velocity/10, velocity/20, 0], time + duration, 0.5) oscillator.velocity.gain.exponentialRampToValueAtTime(1, time + duration, 0.5)
oscillator.stop(time + duration + 0.5) oscillator.stop(time + duration + 0.5)
} else { } else {
oscillators[note] = oscillator oscillators[note] = oscillator
} }
} }
function stopNote(note, time=0) { function stopNote(note, time=audioCtx.currentTime) {
if(!oscillators[note]) return if(!oscillators[note]) return
velocity = oscillators[note].velocity.gain.value velocity = oscillators[note].velocity.gain.value
oscillators[note].velocity.gain.setValueCurveAtTime([velocity, velocity/10, velocity/20, 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 +628,7 @@ 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.setValueCurveAtTime([startGain, startGain/5, 0], time, duration) gain.gain.exponentialRampToValueAtTime(0.5, 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)