Webleb - Code-Snippets - Generative Kunst: P5.js Blumengarten

HTML

<!DOCTYPE html>

<head>

<title>Generative Garden</title>

<style>

* {

margin: 0;

padding: 0;

box-sizing: border-box;

}

body {

background: #0a1929;

overflow: hidden;

font-family: sans-serif;

}

.light-column {

position: fixed;

top: 0;

width: 33.33vw;

height: 100vh;

background: linear-gradient(to bottom, transparent, rgba(100, 255, 218, 0.05), transparent);

pointer-events: none;

animation: pulseLight 8s infinite alternate ease-in-out;

z-index: 1;

}

.light-column:nth-child(1) { left: 0; animation-delay: 0s; }

.light-column:nth-child(2) { left: 33.33vw; animation-delay: 2s; }

.light-column:nth-child(3) { left: 66.66vw; animation-delay: 4s; }

@keyframes pulseLight {

0% { opacity: 0.3; transform: scaleX(0.9); }

100% { opacity: 0.8; transform: scaleX(1.1); }

}

#scene {

display: flex;

width: 100vw;

height: 100vh;

position: relative;

z-index: 2;

}

.panel {

flex: 1;

height: 100vh;

overflow: hidden;

position: relative;

}

#sketch-1, #sketch-2, #sketch-3 {

width: 100%;

height: 100%;

display: block;

}

#fog {

position: fixed;

inset: 0;

background: radial-gradient(circle at 50% 100%, rgba(20, 50, 80, 0.2), transparent 70%);

pointer-events: none;

mix-blend-mode: overlay;

z-index: 3;

}

</style>

</head>

<body>

<defs>

</filter>

</defs>

</svg>

</div>

const palette = [

"#00ffaa",

"#ff006f",

"#ff9d00",

"#ffa3fd",

"#f2f794",

"#d9c0fa"

];

function flowerSketch(seed, containerId) {

return p => {

let pts = [];

let ends = [];

p.setup = () => {

p.randomSeed(seed);

const container = document.getElementById(containerId);

p.createCanvas(container.clientWidth, container.clientHeight);

p.noLoop();

generate();

};

p.windowResized = () => {

const container = document.getElementById(containerId);

p.resizeCanvas(container.clientWidth, container.clientHeight);

generate();

};

function generate() {

p.clear();

pts = [];

ends = [];

let n = 25;

for (let i = 0; i < n; i++) {

pts.push({

x: p.random(p.width * 0.2, p.width * 0.8),

y: p.height + 10,

len: p.random(p.height * 0.4, p.height * 0.7),

t: p.random(0.003),

s: p.random(0.02)

});

}

drawBackground();

drawFlowers();

}

function drawBackground() {

for (let i = 0; i < 20; i++) {

let col = p.color(p.random(palette));

col.setAlpha(40);

p.fill(col);

p.noStroke();

p.circle(

p.random(p.width),

p.random(p.height),

p.random(100, 300)

);

}

function drawFlowers() {

pts.forEach(pt => {

p.push();

p.translate(pt.x, pt.y);

p.rotate(p.PI);

let prevX = 0;

let prevY = 0;

for (let i = 0; i < pt.len; i++) {

let x = i * 0.5;

let y = p.sin(i * pt.t) * 30 * p.noise(i * pt.s, pt.t) + p.random(-1, 1);

p.stroke(p.random(palette));

p.strokeWeight(p.map(i, 0, pt.len, 3, 0.5));

p.line(prevX, prevY, x, y);

prevX = x;

prevY = y;

}

ends.push({ x: prevX + pt.x, y: prevY + pt.y });

p.pop();

});

ends.forEach(end => {

p.push();

p.translate(end.x, end.y);

p.rotate(p.PI);

for (let i = 0; i < 6; i++) {

p.rotate(p.PI / 3);

p.stroke(p.random(palette));

p.strokeWeight(1);

p.noFill();

p.beginShape();

for (let a = 0; a < p.PI; a += 0.1) {

let r = p.sin(a) * 20;

let xx = p.cos(a) * r;

let yy = p.sin(a) * r;

p.vertex(xx, yy);

}

p.endShape();

}

p.fill(p.random(palette));

p.noStroke();

p.circle(0, 0, 10);

p.pop();

});

}

};

}

new p5(flowerSketch(100, 'sketch-1'), 'sketch-1');

new p5(flowerSketch(200, 'sketch-2'), 'sketch-2');

new p5(flowerSketch(300, 'sketch-3'), 'sketch-3');

</script>

</body>

</html>

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