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Estrella

de fogonCC01914 bloques
EstrellaArrastrá para girarlo
// «Estrella» · gpt-6-sol (medium)
// A chunky five-pointed golden star collectible standing upright, facing -y: about 32 across and 32 tall, one point straight up, two points touching near z 0 at the bottom, 6 blocks thick in the center and thinner toward the points (a puffy, beveled star). Bright yellow-gold with a lighter yellow front face, darker orange-gold edges, and two simple cute black eyes (2x4 blocks each) on the front. The whole star is one part that spins and bobs.

part("estrella", [24, 24, 16]);

const outline = [
  [24, 35], [29.3, 23.3], [41.4, 23.5],
  [32, 15], [35.4, -1], [24, 9],
  [12.6, -1], [16, 15], [6.6, 23.5],
  [18.7, 23.3]
];

function inside(px, pz) {
  let hit = false;
  for (let i = 0, j = outline.length - 1; i < outline.length; j = i++) {
    const [xi, zi] = outline[i], [xj, zj] = outline[j];
    if ((zi > pz) !== (zj > pz) &&
        px < (xj - xi) * (pz - zi) / (zj - zi) + xi) hit = !hit;
  }
  return hit;
}

function edgeDistance(px, pz) {
  let nearest = Infinity;
  for (let i = 0; i < outline.length; i++) {
    const [ax, az] = outline[i];
    const [bx, bz] = outline[(i + 1) % outline.length];
    const dx = bx - ax, dz = bz - az;
    const t = Math.max(0, Math.min(1,
      ((px - ax) * dx + (pz - az) * dz) / (dx * dx + dz * dz)));
    nearest = Math.min(nearest, Math.hypot(px - ax - t * dx, pz - az - t * dz));
  }
  return nearest;
}

for (let z = 0; z <= 35; z++) {
  for (let x = 7; x <= 41; x++) {
    if (!inside(x, z)) continue;

    const distance = edgeDistance(x, z);
    const half = Math.min(3, 1 + Math.floor(distance / 1.35));
    const front = 24 - half;
    const back = 23 + half;

    for (let y = front; y <= back; y++) {
      let color;
      if (y === front) {
        color = half === 3 ? "#ffe45a" :
                half === 2 ? "#ffc83a" : "#e99a18";
        if (half === 3 && z >= 23) color = "#ffeb74";
      } else if (y === back) {
        color = "#bc7516";
      } else {
        color = z < 10 ? "#d99019" : "#f2ad20";
      }
      set(x, y, z, color);
    }
  }
}

// Two little feet make the lower points meet the floor.
set(13, 24, 0, "#e9a01e");
set(35, 24, 0, "#e9a01e");

// Simple, chunky eyes on the viewer-facing side.
box(19, 20, 17, 20, 20, 20, "#171725");
box(27, 20, 17, 28, 20, 20, "#171725");

animate("estrella", { type: "spin", axis: "z", speed: -2 });
animate("estrella", { type: "bob", axis: "z", amplitude: 1.5 });