“sfc181121_04” by Atsushi Tadokoro
https://openprocessing.org/sketch/630387
License CreativeCommons Attribution ShareAlike
https://creativecommons.org/licenses/by-sa/3.0
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A fork of sfc181121_03 by Atsushi Tadokoro
CC Attribution ShareAlike
sfc181121_04
Tadokoro
xxxxxxxxxx
let sound;
let filter;
//サウンドファイルをプリロード
function preload() {
sound = loadSound('./beat.wav');
}
function setup() {
createCanvas(windowWidth, windowHeight);
//ローパスフィルターを初期化
filter = new p5.LowPass();
//サウンドの出力をローパスフィルターに切り替え
sound.disconnect();
sound.connect(filter);
}
function draw() {
if (mouseIsPressed) {
//もしマウスボタンが押されていたら
background(255, 0, 0);
if (sound.isPlaying() == false) {
//サウンドが停止していたら再生開始
sound.loop();
}
//マウス座標ローパスフィルターをかける
//x:カットオフ周波数, y:レゾナンス
let filterFreq = map(mouseX, 0, width, 10, 22050);
let filterRes = map(mouseY, 0, height, 40, 1);
filter.set(filterFreq, filterRes);
} else {
//サウンド停止
background(0, 0, 255);
sound.stop();
}
}
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