220104a

const cpat = [

  "1a535c-4ecdc4-f7fff7-ff6b6b-ffe66d",

  "5f0f40-9a031e-fb8b24-e36414-0f4c5c",

  "227c9d-17c3b2-ffcb77-fef9ef-fe6d73",

  "fffcf2-ccc5b9-403d39-252422-eb5e28",

  "0d1b2a-1b263b-415a77-778da9-e0e1dd",

  "22577a-38a3a5-57cc99-80ed99-c7f9cc",

  "ffbe0b-fb5607-ff006e-8338ec-3a86ff",

  "233d4d-fe7f2d-fcca46-a1c181-619b8a",

  "#8ecae6-219ebc-126782-023047-ffb703-fd9e02-fb8500"

];

​

const w = 720;

​

const pos_num_set = 10;

const pos_num = pos_num_set*pos_num_set;

​

const pos_range_x = 120;

const pos_range_y = 120;

​

const scale_x = w/100;

const scale_y = w/100;

const point_size = w/28;

​

const loop_set = 5;

const loop_point = 600;

​

const dt = 200;

​

let px = [];

let py = [];

​

function setup() {

  createCanvas(w, w);

  init();

​

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

   line_draw(i);

  }

}

​

function init(){

  color_pat = random(cpat);

  color_pat = color_pat.split('-');

  for(let i=0;i<color_pat.length;i++){

    color_pat[i] = "#"+color_pat[i];

  }

​

  noFill();

  colorMode(HSB);

  strokeCap(PROJECT);

​

  drawingContext.shadowBlur = 10;

  drawingContext.shadowOffsetX = 10;

  drawingContext.shadowOffsetY = 10;

​

  const dc = pos_num_set;

  const ex = pos_range_x/dc;

  const ey = pos_range_y/dc;

  for(let l=0; l<dc; l++){

    for(let k=0; k<dc; k++){

     px[l*dc+k] = (l * ex);

     py[l*dc+k] = (k * ey);

    }

   }

​

   bg = [hue(random(color_pat)), 20, 100] ;

   background(bg);

}

​

function line_draw(ii){

  drawingContext.shadowColor = random(color_pat) + "40";

​

  let x = px[ii];

  let y = py[ii];

​

  let size_c = random(0.001, 1);

  strokeWeight(point_size*size_c);

​

  let loop_num = random(0.5, 3);

​

  for(let j=0;j<loop_set * loop_num;j++){

    stroke( random(color_pat) );

​

    beginShape();

    curveVertex(x*scale_x, y*scale_y);

    for(let k=0; k<loop_point * loop_num; k++){

      let dx = cos( TAU*noise(0.03*x, 0.1*y) );

      let dy = sin( TAU*noise(0.1*x, 0.03*y) );

      let dr = dt + sqrt((dx*dx)*(dy*dy));

      x = x + dx/dr ;

      y = y + dy/dr ;

      curveVertex(x*scale_x, y*scale_y);

    }

    curveVertex(x*scale_x, y*scale_y);

    endShape();

  }

}

​

//save PNG

function keyPressed() {

   save("img_" + month() + day() + hour() + minute() + second() + ".png");

}