One Gust

// composition: meadow band across the lower half, densest lower-left, blades thinning right and up; sky left entirely empty
// layering: faint ground wash under the band, then ~520 short curved blades all bending right (bend grows with x), one upright red poppy last
const PALETTE = [
  "#f2ecdc", // ground: warm summer paper
  "#c9a85c", // straw
  "#8a8a4d", // olive
  "#5d6136", // deep olive shadow
  "#c23b2e", // accent: the one poppy
];

function blade(x, y, len, bend, col, w) {
  // base anchored, tip thrown right; the gust arrives from the left
  const tipX = x + len * bend * random(0.9, 1.15);
  const tipY = y - len * (1 - bend * 0.45);
  const midX = x + len * bend * 0.32;
  const midY = y - len * 0.55;
  brush.set(random() < 0.25 ? "cpencil" : "2B", col, w);
  brush.beginShape(0.6);
  brush.vertex(x + randomGaussian(0, 1), y);
  brush.vertex(midX + randomGaussian(0, 2), midY + randomGaussian(0, 2));
  brush.vertex(tipX + randomGaussian(0, 2), tipY + randomGaussian(0, 2));
  brush.endShape(false);
}

function setup() {
  createCanvas(800, 800, WEBGL);
  brush.scaleBrushes(2.3);
  noLoop();
}

function draw() {
  translate(-width / 2, -height / 2);
  background("#f2ecdc");

  // faint earth wash seating the meadow band
  brush.noStroke();
  brush.fillBleed(0.5, "out");
  brush.fillTexture(0.45, 0.5);
  brush.fill("#c9a85c", 30);
  brush.rect(-30, 470, 880, 360);
  brush.fill("#8a8a4d", 22);
  brush.rect(-30, 560, 700, 280);

  // the meadow: hundreds of blades, all bending the same way,
  // bend angle increasing to the right as the gust lands
  for (let i = 0; i < 520; i++) {
    const x = 810 * Math.pow(random(), 1.28) - 5; // density piles up left
    const y = 445 + 335 * Math.pow(random(), 0.72); // and low
    const depth = (y - 445) / 335; // 0 back, 1 front
    const len = randomGaussian(46 + depth * 34, 9);
    if (len < 14) continue;
    const gust = noise(x * 0.004, y * 0.003);
    const bend = (0.18 + 0.72 * (x / 800)) * (0.75 + 0.5 * gust);
    const r = random();
    const col = r < 0.42 ? "#c9a85c" : r < 0.78 ? "#8a8a4d" : "#5d6136";
    const w = 0.6 + depth * 0.9 + randomGaussian(0, 0.12);
    blade(x, y, len, Math.min(bend, 1.05), col, Math.max(0.4, w));
  }

  // a few seed-heads thrown loose by the gust, drifting right
  brush.set("2B", "#5d6136", 0.7);
  for (let i = 0; i < 9; i++) {
    const sx = random(380, 740);
    const sy = random(360, 460);
    brush.line(sx, sy, sx + random(6, 14), sy - random(1, 5));
  }

  // the poppy: holding still while everything else bends
  const px = 236;
  const py = 596;
  brush.set("pen", "#5d6136", 1.1);
  brush.beginShape(0.4);
  brush.vertex(px, py);
  brush.vertex(px + 2, py - 62);
  brush.vertex(px - 1, py - 118);
  brush.endShape(false);
  brush.noStroke();
  brush.fillBleed(0.45, "out");
  brush.fillTexture(0.6, 0.7);
  brush.fill("#c23b2e", 175);
  brush.circle(px - 2, py - 132, 17, true);
  brush.fill("#c23b2e", 115);
  brush.circle(px + 3, py - 138, 11, true);
  brush.fill("#5d6136", 180);
  brush.circle(px - 1, py - 130, 3.5, true);
}