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15.向日葵.html
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73
15.向日葵.html
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
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<link rel="stylesheet" href="/css/style.css" />
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<title>向日葵</title>
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<script src="/lib/p5/p5.min.js"></script>
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<script src="/lib/p5/addons/p5.sound.min.js"></script>
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<script src="/lib/utils.js"></script>
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<script>
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let n = 0, // 旋转角度
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h = 0,
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m = null, // 点的数量
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c = null, // 点的大小
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o = null,
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p = null,
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ma = null;
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function setup() {
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createCanvas(innerWidth, innerHeight);
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angleMode(DEGREES);
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colorMode(HSB);
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noStroke();
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m = createSlider(1, 5000, 500, 1);
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m.position(10, 10);
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c = createSlider(5, 25, 15, 0.01);
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c.position(180, 10);
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o = createSlider(-20, 20, 0, 0.01);
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o.position(350, 10);
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p = createSlider(-20, 20, 0, 0.01);
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p.position(520, 10);
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ma = createSlider(0, 360, 137.5, 0.01);
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ma.position(690, 10);
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}
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function draw() {
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background(0, 0.05);
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push();
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translate(width / 2, height / 2);
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rotate(n);
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for (let i = 0; i < m.value(); i++) {
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let a = ma.value() * i,
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r = c.value() * sqrt(i);
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let x = r * cos(a),
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y = r * sin(a);
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let hu = map(sin(h + i), -1, 1, 0, 255);
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fill(hu, 100, 100, 0.5);
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circle(x, y, c.value());
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}
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pop();
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n = (n + o.value()) % 360000;
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h = (h - p.value()) % 360000;
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fill(0, 0, 255, 1);
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text(m.value(), 10, 60);
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text(c.value().toFixed(2), 180, 60);
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text(o.value().toFixed(2), 350, 60);
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text(p.value().toFixed(2), 520, 60);
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text(ma.value().toFixed(2), 690, 60);
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textInfo("向日葵", "2023/01/01");
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}
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</script>
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</head>
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<body>
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<main></main>
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</body>
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</html>
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68
16.我的画笔.html
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68
16.我的画笔.html
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
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<link rel="stylesheet" href="/css/style.css" />
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<title>我的画笔</title>
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<script src="/lib/p5/p5.min.js"></script>
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<script src="/lib/p5/addons/p5.sound.min.js"></script>
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<script src="/lib/utils.js"></script>
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<script>
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// 避免右键菜单
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window.oncontextmenu = function (e) {
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e.preventDefault();
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};
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let 画笔颜色 = "#333333";
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const 颜色仓库 = [
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"#333333", // 0 黑
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"#FF0000", // 1 红
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"#FF8000", // 2 橙
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"#FFFF00", // 3 黄
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"#00FF00", // 4 绿
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"#00FFFF", // 5 青
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"#0000FF", // 6 蓝
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"#FF00FF", // 7 紫
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];
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const 画布颜色 = "#FFEECC";
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const 橡皮粗细 = 20;
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const 画笔粗细 = 5;
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function setup() {
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createCanvas(innerWidth, innerHeight);
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background(画布颜色);
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}
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// 不同鼠标按键对应不同的功能
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function mousePressed() {
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if (mouseButton == "left") {
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stroke(画笔颜色);
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strokeWeight(画笔粗细);
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} else if (mouseButton == "right") {
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stroke(画布颜色);
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strokeWeight(橡皮粗细);
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} else if (mouseButton == "center") {
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background(画布颜色);
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}
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}
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function mouseDragged() {
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line(pmouseX, pmouseY, mouseX, mouseY);
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}
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// 数字键更换画笔颜色
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function keyPressed() {
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const n = int(key);
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if (0 <= n && n < 颜色仓库.length) {
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画笔颜色 = 颜色仓库[n];
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}
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}
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</script>
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</head>
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<body>
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<main></main>
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</body>
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</html>
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94
TEST.html
94
TEST.html
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
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<link rel="stylesheet" href="/css/style.css" />
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<title>音乐可视化</title>
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<title>向日葵</title>
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<script src="/lib/p5/p5.min.js"></script>
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<script src="/lib/p5/addons/p5.sound.min.js"></script>
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<script src="/lib/utils.js"></script>
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<script>
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let fft;
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let spectrum = [];
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let waveform = [];
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let n = 0,
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h = 0,
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m = null,
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c = null,
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o = null,
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p = null,
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ma = null;
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function setup() {
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let canvas = createCanvas(400, 400);
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canvas.mouseClicked(togglePlay);
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createCanvas(innerWidth, innerHeight);
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angleMode(DEGREES);
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colorMode(HSB);
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fft = new p5.FFT();
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sound.amp(1);
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}
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function preload() {
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sound = loadSound("/assets/Aloha Heja He - Achim Reichel.mp3");
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// sound = loadSound("/assets/Pornophonique - Sad Robot.mp3");
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}
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function togglePlay() {
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if (sound.isPlaying()) {
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sound.pause();
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} else {
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sound.loop();
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}
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noStroke();
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m = createSlider(1, 5000, 500, 1);
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m.position(10, 10);
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c = createSlider(5, 25, 15, 0.01);
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c.position(180, 10);
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o = createSlider(-20, 20, 0, 0.01);
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o.position(350, 10);
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p = createSlider(-20, 20, 0, 0.01);
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p.position(520, 10);
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ma = createSlider(0, 360, 137.5, 0.01);
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ma.position(690, 10);
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}
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function draw() {
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background(0, 0.5);
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// drawGrid(255);
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if (sound.isPlaying()) spectrum = fft.analyze();
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spectrum = spectrum.splice(0, 640);
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background(0, 0, 0, 0.05);
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push();
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translate(width / 2, height / 2);
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beginShape();
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for (let i = 0; i < spectrum.length; i++) {
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let a = map(i, 0, spectrum.length, 0, 360);
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let h = map(spectrum[i], 0, 255, 0, 255);
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// push();
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let θ = (a + frameCount) % 360;
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// let θ = a;
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// rotate(θ);
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stroke(frameCount % 255, 255, 255, 0.5);
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strokeWeight(1);
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fill(frameCount % 255, 255, 255);
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// line(0, 0, cos(θ) * (h * 1.1), -sin(θ) * (h * 1.1));
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vertex(cos(θ) * h, -sin(θ) * h);
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// strokeWeight(h / 5);
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// point(cos(θ) * (h * 1.1), -sin(θ) * (h * 1.1));
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// pop();
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rotate(n);
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for (let i = 0; i < m.value(); i++) {
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let a = ma.value() * i,
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r = c.value() * sqrt(i);
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let x = r * cos(a),
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y = r * sin(a);
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let hu = map(sin(h + i), -1, 1, 0, 255);
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fill(hu, 100, 100, 0.5);
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ellipse(x, y, c.value());
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}
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endShape(CLOSE);
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pop();
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// if (sound.isPlaying()) waveform = fft.waveform();
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// noFill();
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// beginShape();
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// stroke(frameCount % 255, 255, 255);
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// for (let i = 0; i < waveform.length; i++) {
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// let x = map(i, 0, waveform.length, 0, width);
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// let y = map(waveform[i], -1, 1, 0, height);
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// vertex(x, y);
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// }
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// endShape();
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textInfo("音乐可视化", "2023/01/01");
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fill(0, 0, 255, 1);
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text(m.value(), 10, 60);
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text(c.value().toFixed(2), 180, 60);
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text(o.value().toFixed(2), 350, 60);
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text(p.value().toFixed(2), 520, 60);
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text(ma.value().toFixed(2), 690, 60);
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n = (n + o.value()) % 360000;
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h = (h - p.value()) % 360000;
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textInfo("向日葵", "2023/01/01");
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}
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</script>
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</head>
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@ -1,12 +1,13 @@
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* {
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padding: 0;
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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background-color: gray;
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}
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body {
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display: flex;
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height: 100vh;
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justify-content: center;
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align-items: center;
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justify-content: center;
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}
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