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← Nature3D assetfogon/arbusto-con-bayas

Arbusto con bayas

by fogonCC020578 blocks
Arbusto con bayasDrag to turn it
// «Arbusto con bayas» · gpt-6-sol (medium)
// A rounded dark green bush with clusters of small shiny blue and red berries scattered over it.

// Rounded, sunlit bush
ellipsoid(24, 24, 15, 17, 16, 14, "#28743b");
ellipsoid(24, 24, 8, 15, 14, 8, "#235f35");

const lobes = [
  [13, 19, 17, 8, 8, 8], [34, 18, 17, 8, 8, 8],
  [13, 29, 16, 8, 8, 8], [35, 29, 16, 8, 8, 8],
  [23, 12, 17, 9, 7, 8], [24, 36, 16, 9, 7, 8],
  [18, 22, 23, 8, 8, 7], [30, 24, 23, 8, 8, 7],
  [24, 29, 25, 8, 7, 6]
];
for (const l of lobes) ellipsoid(...l, "#28743b");

// Four foliage shades, with brighter leaves catching light on top.
forEach((x, y, z, color) => {
  const n = rand();
  let shade;
  if (z < 8) shade = n < 0.73 ? "#205b32" : "#28743b";
  else if (z < 18) shade = n < 0.2 ? "#205b32" : n < 0.77 ? "#28743b" : "#318a43";
  else shade = n < 0.13 ? "#28743b" : n < 0.68 ? "#318a43" : "#45a451";
  set(x, y, z, shade);
});

// Find a leaf on the outside of the bush along a direction.
function surface(dx, dy, dz) {
  let last = null;
  for (let t = 0; t < 30; t += 0.35) {
    const x = Math.round(24 + dx * t);
    const y = Math.round(24 + dy * t);
    const z = Math.round(16 + dz * t);
    if (get(x, y, z)) last = [x, y, z];
    else if (last && t > 6) return last;
  }
  return last;
}

const colors = [
  { dark: "#185397", fruit: "#267fda", shine: "#a9e5ff" },
  { dark: "#a82d42", fruit: "#e34753", shine: "#ffb9aa" }
];

// Small bunches, concentrated on the visible front and the sunny crown.
for (let bunch = 0; bunch < 30; bunch++) {
  const angle = rand() < 0.72
    ? Math.PI + (rand() - 0.5) * Math.PI * 1.55
    : rand() * Math.PI * 2;
  const latitude = 0.02 + rand() * 0.92;
  const berryColor = colors[rand() < 0.52 ? 0 : 1];
  const count = 2 + Math.floor(rand() * 2);

  for (let j = 0; j < count; j++) {
    const a = angle + (rand() - 0.5) * 0.27;
    const h = latitude + (rand() - 0.5) * 0.21;
    const horizontal = Math.sqrt(Math.max(0, 1 - h * h));
    const dx = Math.cos(a) * horizontal;
    const dy = Math.sin(a) * horizontal;
    const dz = h;
    const leaf = surface(dx, dy, dz);
    if (!leaf) continue;

    const bx = Math.round(leaf[0] + dx);
    const by = Math.round(leaf[1] + dy);
    const bz = Math.round(leaf[2] + dz);
    if (bz < 8 || bz > 34) continue;

    sphere(bx, by, bz, 1.2, berryColor.dark);
    set(bx, by, bz, berryColor.fruit);
    set(bx, by - 1, bz + 1, berryColor.shine);
  }
}