fx

let backColor = ["#e4e9f0", "#F1F1F9"];

let colors1 = ["#D9D6F6", "#AA67B9", "#376AAB"];

let colors2 = ["#D0FF03", "#8C9FC9"];

let colors3 = ["#7b4b94", "#7d82b8", "#b7e3cc", "#c4ffb2", "#d6f7a3"];

let colorArray = [colors1, colors2, colors3];

​

function setup() {

  createCanvas(1112, 834);

  pixelDensity(2);

  noLoop();

​

  let cvs = select("#defaultCanvas0");

  cvs.style("padding-left", "0");

  cvs.style("padding-right", "0");

  cvs.style("margin-left", "auto");

  cvs.style("margin-right", "auto");

  cvs.style("display", "block");

​

  fxSeed = int(fxrand() * 100000000);

  randomSeed(fxSeed);

​

  colors = random(colorArray);

}

​

function draw() {

  background(random(backColor));

  blendMode(BLEND);

  let sc = random(colors);

  for (let i = 0; i < width * height / 3; i++) {

    let x = random(width);

    let y = randomGaussian(height - height / 10, height / 4);

    stroke(sc);

    point(x, y);

  }

​

  blendMode(BURN);

  for (let i = 0; i < int(random(3, 7)); i++) {

    let x = random(-10, width + 10);

    let y = random(-10, height + 10);

    spiralCircle(x, y);

  }

​

  for (let i = 0; i < 7; i++) {

    let w = random(width / 5, width / 2);

    let cx = random(width);

    let cy = random(height);

    let cx2 = random(cx - w, cx + w);

    let cy2 = random(cy - w, cy + w);

    gosen(cx, cy, cx2, cy2, w);

  }

}

​

function spiralCircle(cx, cy) {

  push();

  translate(cx, cy);

  let radius = 0.0;

  let radiusNoise = random(10);

  let cntMax = random(80, 400);

  let count = random(0.1);

  let x = [];

  let y = [];

​

  strokeWeight(0.5);

  stroke(random(colors));

  beginShape();

  for (let i = 0; i < cntMax; i += 0.1) {

    radiusNoise += 0.01;

    radius += count;

    let thisRad = radius + noise(radiusNoise) * 10;

    x[i] = cos(i) * thisRad;

    y[i] = sin(i) * thisRad;

​

    let c1 = color(random(colors));

    let c2 = color(random(colors));

    while (c1 == c2) {

      let c1 = color(random(colors));

      let c2 = color(random(colors));

    }

​

    let alpha = 150;

    c1.setAlpha(alpha);

    c2.setAlpha(alpha);

​

    let grad = drawingContext.createLinearGradient(0, 0, x[i], y[i]);

    grad.addColorStop(0, c1);

    grad.addColorStop(1, c2);

    drawingContext.shadowColor = color(random(colors));

    drawingContext.fillStyle = grad;

​

    vertex(x[i], y[i]);

  }

  endShape();

  pop();

}

​

function gosen(cx, cy, cx2, cy2, w) {

  push();

  translate(cx, cy);

  rotate(random(360));

  let x1 = 0;

  let x2 = 0;

  let x3 = 0;

  let x4 = 0;

  let y1 = 0;

  let y2 = 0;

  let y3 = 0;

  let y4 = 0;

  x1 = 0;

  x2 = random(cx - w, cx + w) - cx;

  x3 = random(cx - w, cx + w) + x2 / 2 - cx;

  x4 = x3 * cos(cx) - cx;

  y1 = 0;

  y2 = random(cy - w, cy + w) - cy;

  y3 = random(cy - w, cy + w) + y3 / 2 - cy;

  y4 = y4 * sin(cy) - cy;

​

  let count = random(1, 10);

  let num = int(random(3, 8));

  stroke(random(colors));

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

    let pl = i * count;

    strokeWeight(random(1));

    noFill();

    bezier(x1 + pl, y1 + pl, x2 + pl, y2 + pl, x3 + pl, y3 + pl, x4 + pl, y4 + pl);

  }

  pop();

}

​

// save jpg

let lapse = 0;    // mouse timer

function mousePressed(){

  if (millis() - lapse > 400){

    save("img_" + month() + '-' + day() + '_' + hour() + '-' + minute() + '-' + second() + ".jpg");

    lapse = millis();

  } 

}