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← Basics3D assetfogon/silla-windsor-v3

Silla Windsor

by fogonCC03909 blocks
Silla WindsorDrag to turn it
// «Silla Windsor» · gpt-6-sol (medium)
// Windsor chair («Silla Windsor»). One of several variations of this object: follow the reference picture closely.

// Windsor chair — pale honey wood, arched spindle back.
const wood = "#b9925e";
const woodLight = "#d2ad73";
const woodDark = "#89683f";
const seatLight = "#f5d19a";

function shadedWood(x, y, z) {
  const n = rand();
  return n < 0.07 ? woodDark : n < 0.27 ? woodLight : wood;
}

// Four slender, splayed legs.
for (const [topX, topY, footX, footY] of [
  [12, 14, 8, 8], [36, 14, 41, 8],
  [12, 32, 8, 39], [36, 32, 41, 39]
]) {
  for (let z = 0; z <= 20; z++) {
    const t = z / 20;
    const x = Math.round(footX + (topX - footX) * t);
    const y = Math.round(footY + (topY - footY) * t);
    box(x, y, z, x + 1, y + 1, z, shadedWood(x, y, z));
  }
  box(footX, footY, 0, footX + 1, footY + 1, 2, woodDark);
}

// Low stretchers, set well below the seat.
line(10, 16, 8, 10, 35, 8, 0, wood);
line(39, 16, 8, 39, 35, 8, 0, wood);
line(10, 17, 10, 39, 17, 10, 0, woodLight);
line(10, 34, 10, 39, 34, 10, 0, wood);
for (const x of [10, 39]) {
  for (const y of [17, 34]) box(x, y, 8, x + 1, y + 1, 9, woodDark);
}

// Shallow apron beneath the seat.
for (let x = 11; x <= 38; x++) {
  box(x, 12, 18, x, 13, 20, x % 6 === 0 ? woodDark : wood);
  box(x, 32, 18, x, 33, 20, woodDark);
}
for (let y = 15; y <= 31; y++) {
  box(10, y, 18, 11, y, 20, wood);
  box(38, y, 18, 39, y, 20, wood);
}

// Rounded, solid saddle seat. Its front edge bows gently forward.
function inSeat(x, y) {
  if (x < 8 || x > 40 || y < 10 || y > 35) return false;
  const dx = Math.abs(x - 24);
  const front = 10 + Math.max(0, Math.round((dx - 9) * 0.55));
  const rear = 35 - Math.max(0, Math.round((dx - 12) * 0.32));
  return y >= front && y <= rear;
}
for (let x = 8; x <= 40; x++) {
  for (let y = 10; y <= 35; y++) {
    if (!inSeat(x, y)) continue;
    const edge = !inSeat(x - 1, y) || !inSeat(x + 1, y) ||
                 !inSeat(x, y - 1) || !inSeat(x, y + 1);
    set(x, y, 20, edge ? woodDark : wood);
    set(x, y, 21, edge ? wood : woodLight);
    set(x, y, 22, edge ? "#c59d65" :
      rand() < 0.12 ? "#edc68e" : seatLight);
  }
}

// Quiet, lengthwise wood grain across the broad pale seat.
for (const x of [15, 19, 25, 30, 35]) {
  for (let y = 15; y <= 31; y++) {
    if (inSeat(x, y) && rand() < 0.78)
      set(x, y, 22, rand() < 0.5 ? "#edc58c" : "#f8d7a3");
  }
}

// Back rail and nine individual, narrow turned spindles.
for (let x = 11; x <= 37; x++) {
  box(x, 34, 23, x, 35, 24, x % 4 === 0 ? woodLight : wood);
}
function bowHeight(x) {
  return Math.round(43 - 0.065 * (x - 24) * (x - 24));
}
for (const x of [12, 15, 18, 21, 24, 27, 30, 33, 36]) {
  const top = bowHeight(x) - 2;
  for (let z = 25; z <= top; z++) {
    const y = z > 35 ? 36 : 35;
    set(x, y, z, z % 8 === 0 ? woodLight : wood);
    if (z >= 27 && z <= 30) set(x, y + 1, z, woodDark);
  }
  box(x, 34, 25, x, 35, 26, woodLight);
}

// Thick continuous bow, with its crown gently flattened.
for (let x = 8; x <= 40; x++) {
  const z = bowHeight(x);
  const y = 36 + (Math.abs(x - 24) > 12 ? 1 : 0);
  box(x, y, z, x, y + 1, z + 1, wood);
  set(x, y, z + 2, woodLight);
  if (x % 5 === 0) set(x, y + 1, z, woodDark);
}
box(20, 36, 43, 28, 37, 44, woodLight);

// The bow turns down at both sides and flows into short curved arms.
for (const side of [-1, 1]) {
  const outerX = side < 0 ? 8 : 40;
  for (let z = 25; z <= bowHeight(outerX); z++)
    box(outerX, 36, z, outerX + 1, 37, z, wood);
  for (let y = 21; y <= 36; y++) {
    const x = outerX + (side < 0 ? Math.round((36 - y) * 0.13)
                                : -Math.round((36 - y) * 0.13));
    const z = 25 + (y > 29 ? 1 : 0);
    box(x, y, z, x + 1, y, z + 1, wood);
    set(x, y, z + 2, woodLight);
  }
  const endX = side < 0 ? 10 : 38;
  box(endX, 19, 24, endX + 1, 22, 26, woodLight);
}