The avatar for @pearmini
Bairui Su
Creative generation toolmaker, believe that today's tool help shape tomorrow’s art. Creator Charming.js. Author @antv/g2@5.x.
Public
Charming
Edited
Mar 11
Fork of Hello Tone.js
•
1 fork
Charming
Zoomable Mandelbrot Set (WebGL)P5.js Star WobblingRandom Pitch Sequences
Pitch Helix
Multibrot Set TransitionMultibrot Set TableHello Tone.jsAnimate Following Playback ProgressPlay Several SoundsFFTAmplitude (Meter)Waveform RadicalWaveform StrokeWaveform FillAV Instrument: Streamgraphcharmingjs@nextPoem from ImageFourier SeriesBeesandbombsMathematical Rose PatternsCharming LogoEchoX LogoCharming StarterChuanghua (Window Paper-Cut)Charming ExtensionMathematical Rose Patterns (Zoomable)Maze PatternHello Tone.jsInteractive Composition: EyeOn FireSimple Many-Body Force Simulation艹木林森 (Wood)Angular MotionCardioid Visualization#21 Mandelbrot SetMic InputCharming Gallery
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{
const size = 150;
const fMin = 80;
const fMax = 1300;

const synth = new Tone.Synth();
synth.toDestination();

function mapLinear(mouseY) {
return d3.scaleLinear([0, size], [fMax, fMin])(mouseY);
}

function mapLogarithmic(mouseY) {
const steps = d3.scaleLinear([0, size], [1, 0])(mouseY);
return fMin * Math.pow(2, steps);
}

function onMousedown(mapLinear, e) {
const [mouseX, mouseY] = mouseof(e);
const frequency = mapLinear(mouseY);
const velocity = mouseX / size;
synth.triggerAttack(frequency, Tone.now(), velocity);
}

function onMouseup() {
synth.triggerRelease();
}

const app = cm.render({
width: size * 2 + 10,
height: size,
draw: [
cm.svg("rect", {
x: 0,
y: 0,
width: size,
height: size,
fill: "black",
onMouseup,
onMousedown: onMousedown.bind(null, mapLinear)
}),
cm.svg("rect", {
x: size + 10,
y: 0,
width: size,
height: size,
fill: "black",
onMouseup,
onMousedown: onMousedown.bind(null, mapLogarithmic)
})
]
});

invalidation.then(() => app.dispose());

return app.node();
}
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function mouseof(event) {
const rect = event.target.getBoundingClientRect();
const mouseX = event.clientX - rect.left;
const mouseY = event.clientY - rect.top;
return [mouseX, mouseY];
}
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Tone = require("tone")
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cm = require("charmingjs@0.0.13")
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