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Boya

de fogonCC09780 bloques
BoyaArrastrá para girarlo
// «Boya» · gpt-6-sol (medium)
// A round floating buoy, red and white with a small light on top, sitting in a small ring of turquoise water.

// A little patch of sea, with an open center beneath the buoy.
part("body", [24, 24, 0]);

for (let x = 3; x <= 45; x++) {
  for (let y = 3; y <= 45; y++) {
    const dx = x - 24, dy = y - 24;
    const r = Math.hypot(dx, dy);
    const edge = 20.1 + 0.8 * Math.sin(x * 1.7 + y * 0.8)
                      + 0.45 * Math.sin(y * 2.3 - x * 0.5);
    if (r < 8.5 || r > edge) continue;

    set(x, y, 0, r > edge - 1.5 ? "#087f91" : "#078fa0");
    if (r < edge - 0.35) {
      set(x, y, 1, rand() < 0.16 ? "#18bfd0" : "#0aaabd");
    }
    if (r < edge - 1.1 && rand() > 0.09) {
      let color = "#25c6cc";
      if (rand() < 0.23) color = "#49dad6";
      if (dy > 8 && rand() < 0.42) color = "#0eabba";
      set(x, y, 2, color);
    }

    // Broken, bright foam around the buoy and at the outer waterline.
    if (r > 11.8 && r < 13.1 && rand() < 0.48)
      set(x, y, 3, rand() < 0.5 ? "#c9fff0" : "#87eee3");
    if (r > edge - 2.3 && r < edge - 1.3 && rand() < 0.24)
      set(x, y, 2, "#b5fff0");
  }
}

// The entire striped float rocks around its submerged base.
part("buoy", [24, 24, 4]);

const cx = 24, cy = 24, cz = 14.5;
const rx = 11.7, ry = 11.7, rz = 11.4;
for (let x = 12; x <= 36; x++) {
  for (let y = 12; y <= 36; y++) {
    for (let z = 3; z <= 26; z++) {
      const q = ((x - cx) / rx) ** 2 +
                ((y - cy) / ry) ** 2 +
                ((z - cz) / rz) ** 2;
      if (q > 1) continue;

      const red = z <= 8 || (z >= 13 && z <= 17) || z >= 22;
      const shadow = y > 29 || z < 7;
      let color;
      if (red) {
        color = shadow ? "#bd2928" : z >= 20 ? "#ff6450" : "#eb3932";
        if (!shadow && rand() < 0.12) color = "#fa5140";
      } else {
        color = shadow ? "#c6c9ba" : z >= 18 ? "#fff8df" : "#f3eee0";
        if (!shadow && rand() < 0.11) color = "#ffffff";
      }
      set(x, y, z, color);
    }
  }
}

// A thin golden rope at the boundary of two stripes.
for (let i = 0; i < 128; i++) {
  const a = i * Math.PI * 2 / 128;
  set(24 + 11.55 * Math.cos(a), 24 + 11.55 * Math.sin(a),
      13, i % 9 < 3 ? "#ffe087" : "#d99b37");
}

// Two stout mooring loops, silhouetted at either side.
for (const side of [-1, 1]) {
  const x = 24 + side * 11;
  box(x, 22, 13, x + side, 26, 14, "#80502d");
  line(x + side, 22, 14, x + side * 2, 22, 17, 0, "#e4af55");
  line(x + side * 2, 22, 17, x + side * 2, 26, 17, 0, "#e4af55");
  line(x + side * 2, 26, 17, x + side, 26, 14, 0, "#b97936");
}

// A small gold anchor on the front of the red middle band.
function frontGold(x, z, color) {
  const v = 1 - ((x - 24) / rx) ** 2 - ((z - cz) / rz) ** 2;
  if (v > 0) set(x, 24 - ry * Math.sqrt(v) - 0.8, z, color);
}
for (let z = 14; z <= 19; z++) frontGold(24, z, "#ffd36b");
for (let x = 22; x <= 26; x++) frontGold(x, 18, "#ffd36b");
for (let x = 21; x <= 27; x++) {
  if (x === 21 || x === 27 || (x >= 22 && x <= 26))
    frontGold(x, 14, "#d99b37");
}
frontGold(22, 15, "#ffd36b");
frontGold(26, 15, "#ffd36b");
frontGold(24, 20, "#fff0aa");

// Short mast and a chunky, gold-framed beacon.
cylinder(24, 24, 25, 3, 2, "#ad3930");
cylinder(24, 24, 27, 2, 3, "#fff5dc");
cylinder(24, 24, 30, 3, 1, "#b87931");
cylinder(24, 24, 31, 3, 1, "#ffcd65");
for (const [dx, dy] of [[-3, 0], [3, 0], [0, -3], [0, 3]])
  box(24 + dx, 24 + dy, 32, 24 + dx, 24 + dy, 34, "#e9ac46");
cylinder(24, 24, 35, 3, 1, "#ffd36b");
cylinder(24, 24, 36, 2, 1, "#a7652c");

// Only the red glass pulses; the gold housing remains solid.
part("light", [24, 24, 33]);
ellipsoid(24, 24, 33, 2, 2, 2, "#ff4337");

animate("buoy", { type: "swing", axis: "y", speed: 2, amplitude: 0.12 });
animate("light", {
  type: "colors",
  palette: ["#ff5547", "#a91921"],
  pattern: "pulse",
  glow: 0.6
});