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Margaritas

de fogonCC07054 bloques
MargaritasArrastrá para girarlo
// «Margaritas» · gpt-6-sol (medium)
// A cluster of daisies: white petals with yellow centers on thin green stems at slightly different heights.

const greenDark = "#338a39";
const green = "#43ad43";
const greenLight = "#69c957";

function leaf(x, y, z, dx, dz, length, width) {
  const mag = Math.hypot(dx, dz);
  const ux = dx / mag, uz = dz / mag;
  const vx = -uz, vz = ux;
  const cx = x + ux * length * 0.52;
  const cz = z + uz * length * 0.52;

  for (let X = Math.floor(cx - length - width); X <= Math.ceil(cx + length + width); X++)
    for (let Y = y - 2; Y <= y + 2; Y++)
      for (let Z = Math.floor(cz - length - width); Z <= Math.ceil(cz + length + width); Z++) {
        const a = (X - cx) * ux + (Z - cz) * uz;
        const b = (X - cx) * vx + (Z - cz) * vz;
        const v = (a / (length * 0.55)) ** 2 + (b / width) ** 2 + ((Y - y) / 1.5) ** 2;
        if (v <= 1) set(X, Y, Z, Z > cz ? greenLight : green);
      }

  line(x, y - 1, z, x + ux * length * 0.85, y - 1, z + uz * length * 0.85, 0, "#88db68");
}

// A soft, irregular cluster of foliage rooted on the floor.
ellipsoid(24, 25, 1, 15, 10, 3, greenDark);
for (const [x, y, r] of [
  [12, 23, 5], [17, 31, 5], [25, 29, 6],
  [34, 29, 5], [37, 21, 5], [21, 17, 5], [30, 17, 5]
]) {
  ellipsoid(x, y, 2, r, r * 0.7, 3, green);
  ellipsoid(x - 1, y - 1, 4, r * 0.68, r * 0.46, 2, greenLight);
}

// Stems bend gently toward their individual blossoms.
const flowers = [
  { x: 19, y: 30, z: 17, root: [19, 28] },
  { x: 31, y: 30, z: 18, root: [29, 28] },
  { x: 11, y: 19, z: 27, root: [18, 24] },
  { x: 37, y: 20, z: 28, root: [31, 24] },
  { x: 24, y: 16, z: 35, root: [24, 25] }
];

for (const f of flowers) {
  const [rx, ry] = f.root;
  const mx = (rx + f.x) / 2, my = (ry + f.y) / 2;
  line(rx, ry, 3, mx, my, f.z * 0.53, 1, greenDark);
  line(mx, my, f.z * 0.53, f.x, f.y + 2, f.z, 1, green);
  line(mx, my - 1, f.z * 0.53, f.x, f.y + 1, f.z - 2, 0, greenLight);

  const h = f.z * 0.48;
  leaf(mx, my, h, -1, 0.35, 7, 2.1);
  leaf(mx, my + 1, h - 3, 1, 0.3, 6, 1.9);
}

function daisy(f) {
  const { x, y, z } = f;
  ellipsoid(x, y + 2, z, 4.5, 2, 4.5, greenDark);

  // Eight distinct, rounded petals lie in a plane facing the viewer.
  for (let p = 0; p < 8; p++) {
    const angle = p * Math.PI / 4;
    const ux = Math.cos(angle), uz = Math.sin(angle);
    const tx = -uz, tz = ux;
    for (let X = x - 11; X <= x + 11; X++)
      for (let Z = z - 11; Z <= z + 11; Z++)
        for (let Y = y - 2; Y <= y + 2; Y++) {
          const dx = X - x, dz = Z - z;
          const radial = dx * ux + dz * uz - 6.2;
          const across = dx * tx + dz * tz;
          const depth = Y - y;
          if ((radial / 4.25) ** 2 +
              (across / 2.25) ** 2 +
              (depth / 1.85) ** 2 <= 1) {
            const shade = Y > y || Z < z - 3
              ? "#dce7e8"
              : rand() < 0.13 ? "#f0f0e5" : "#fffdf2";
            set(X, Y, Z, shade);
          }
        }
  }

  // A raised golden button sits clearly in front of the petals.
  ellipsoid(x, y - 1, z, 3.7, 2, 3.7, "#dc9828");
  ellipsoid(x, y - 2, z, 3.05, 1.9, 3.05, "#ffcb35");
  for (const [dx, dz] of [[-1, 1], [1, 1], [0, -1], [-2, 0], [2, 0]]) {
    set(x + dx, y - 4, z + dz, "#ffe46a");
  }
}

for (const f of flowers) daisy(f);