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binauralbeats/src/components/Main.vue

122 lines
3.2 KiB
Vue

<template>
<div class="main">
<h1>Binaural Beats {{ started ? 'started' : 'stopped' }}</h1>
<button v-on:click="start">Start</button>
<button v-on:click="stop">Stop</button>
<select v-model="waveform">
<option disabled value="">Waveform</option>
<option>sine</option>
<option>square</option>
<option>triangle</option>
<option>sawtooth</option>
</select>
<input v-model="leftEar.frequency.value">
<input v-model="rightEar.frequency.value">
<select v-model="preset">
<option disabled value="">Preset</option>
<option value="alpha">Alpha waves</option>
<option value="beta">Beta waves</option>
<option value="gamma">Gamma waves</option>
<option value="delta">Delta waves</option>
<option value="theta">Theta waves</option>
</select>
<div class="info" v-if="preset">
<h2>{{ preset.charAt(0).toUpperCase() + preset.slice(1) }} Waves</h2>
<p>{{ presets[preset].description }}</p>
</div>
</div>
</template>
<script>
import Tone from 'tone'
export default {
name: 'Main',
data () {
return {
started: false,
merge: null,
leftEar: null,
rightEar: null,
waveform: 'sine',
preset: null,
presets: {
alpha: {
waveform: 'sine',
left: 130,
right: 115,
description: 'mediating, daydreaming; routine tasks'
},
beta: {
waveform: 'sine',
left: 100,
right: 115,
description: 'awake, alert, active, engaged'
},
gamma: {
waveform: 'sine',
left: 160,
right: 210,
description: 'ability to process large amounts of information fastly'
},
delta: {
waveform: 'sine',
left: 120,
right: 124,
description: 'relaxation, healing, spiritual'
},
theta: {
waveform: 'sine',
left: 150,
right: 155,
description: 'trance, daydreaming'
}
}
}
},
created () {
this.init()
},
methods: {
init: function () {
this.merge = new Tone.Merge().toMaster()
this.leftEar = new Tone.Oscillator().connect(this.merge.left)
this.rightEar = new Tone.Oscillator().connect(this.merge.right)
this.leftEar.frequency.value = 440
this.rightEar.frequency.value = 430
},
start: function () {
this.leftEar.start()
this.rightEar.start()
this.started = true
},
stop: function () {
this.leftEar.stop()
this.rightEar.stop()
this.started = false
}
},
watch: {
waveform: function () {
this.leftEar.type = this.waveform
this.rightEar.type = this.waveform
},
preset: function () {
this.waveform = this.presets[this.preset].waveform
this.leftEar.frequency.value = this.presets[this.preset].left
this.rightEar.frequency.value = this.presets[this.preset].right
}
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
button, select, input {
color: black;
background-color: white;
border-width: 1px;
border-style: solid;
}
</style>