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Minigun

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MinigunArrastrá para girarlo
// «Minigun» · propio
// A rotary minigun: six barrels in a circle, a big motor body and an ammo box, dark grey with yellow details.

const colors = () => {};
const D0="#191c21", D1="#242a32", D2="#333a44", D3="#464e5a", D4="#5d6673";
const Y1="#a87b22", Y2="#e8b93e", Y3="#ffdd80";
const B1="#8a6a2f", B2="#c9a04a";

part("body");

// ---------- MOTOR HOUSING ----------
box(3, 20, 0, 17, 38, 19, D2);
for (let x = 3; x <= 17; x++)
  for (let y = 20; y <= 38; y++)
    for (let z = 0; z <= 19; z++) {
      if (Math.abs(y - 29) >= 8 && Math.abs(z - 9.5) >= 8) set(x, y, z, null);
    }

// rear plate
box(2, 22, 2, 2, 36, 17, D1);

// raised spine
box(4, 24, 19, 16, 34, 20, D3);

// bold yellow band around housing
for (let x = 9; x <= 11; x++)
  for (let y = 20; y <= 38; y++)
    for (let z = 0; z <= 20; z++)
      if (get(x, y, z)) set(x, y, z, Y2);

// ---------- CARRY HANDLE ----------
box(6, 27, 20, 7, 32, 25, D1);
box(13, 27, 20, 14, 32, 25, D1);
box(6, 27, 24, 14, 32, 25, D1);
box(6, 27, 21, 14, 32, 21, D2);

// ---------- ROTOR DRUM ----------
cylinder(18, 29, 10, 8, 10, D3, "x");
for (let y = 20; y <= 38; y++)
  for (let z = 1; z <= 19; z++) {
    const d = Math.hypot(y - 29, z - 10);
    if (d <= 8) set(27, y, z, d > 7.2 ? D0 : D1);
  }
for (const p of [[6,0],[3,5],[-3,5],[-6,0],[-3,-5],[3,-5]])
  set(27, 29 + p[0], 10 + p[1], Y2);

// ---------- STATIC BARREL SUPPORT RING ----------
for (let x = 33; x <= 34; x++)
  for (let y = 20; y <= 38; y++)
    for (let z = 1; z <= 19; z++) {
      const d = Math.hypot(y - 29, z - 10);
      if (d <= 7.8 && d >= 5.4) set(x, y, z, D2);
    }

// ---------- AMMO BOX ----------
box(7, 10, 0, 22, 20, 8, D3);
box(6, 9, 8, 23, 21, 12, D1);
for (let x = 6; x <= 23; x++)
  for (let y = 9; y <= 21; y++)
    if (x === 6 || x === 23 || y === 9) set(x, y, 10, Y2);
for (let x = 7; x <= 22; x++)
  for (let z = 2; z <= 3; z++) set(x, 10, z, Y1);
for (let x = 8; x <= 21; x += 2) {
  set(x, 13, 13, B2);
  set(x, 14, 13, B2);
  set(x, 15, 13, B1);
}
box(7, 10, 0, 7, 20, 1, D1);
box(22, 10, 0, 22, 20, 1, D1);

// ---------- SIX BARRELS (spinning assembly) ----------
part("barrels", [24, 29, 10]);
const offs = [[4,0],[2,4],[-2,4],[-4,0],[-2,-4],[2,-4]];
for (let i = 0; i < 6; i++) {
  const cy = 29 + offs[i][0];
  const cz = 10 + offs[i][1];
  for (let x = 25; x <= 45; x++) {
    for (let dy = -1; dy <= 1; dy++)
      for (let dz = -1; dz <= 1; dz++) {
        let c = D2;
        if (dz === 1) c = D4;
        if (x === 39 || x === 40) c = Y2;
        if (x >= 44) c = D0;
        set(x, cy + dy, cz + dz, c);
      }
  }
}

// muzzle clamp ring (spins with barrels)
for (let x = 42; x <= 43; x++)
  for (let y = 20; y <= 38; y++)
    for (let z = 1; z <= 19; z++) {
      const d = Math.hypot(y - 29, z - 10);
      if (d <= 7.8 && d >= 5.4) set(x, y, z, D1);
    }
for (let x = 42; x <= 43; x++)
  for (const p of [[7,0],[3,6],[-3,6],[-7,0],[-3,-6],[3,-6]])
    set(x, 29 + p[0], 10 + p[1], Y2);

// ---------- TOP POWER LIGHT ----------
part("light");
sphere(22, 29, 19, 1.6, Y3);
ellipsoid(22, 29, 19, 2.4, 2.4, 1.2, D1);
sphere(22, 29, 19, 1.6, Y3);

// ---------- SUBTLE SURFACE NOISE ----------
forEach((x, y, z, c) => {
  if (c === D2 && rand() < 0.10) set(x, y, z, D3);
  else if (c === D3 && rand() < 0.10) set(x, y, z, D2);
  else if (c === D4 && rand() < 0.12) set(x, y, z, D3);
});

// ---------- ANIMATION ----------
animate("barrels", { type: "spin", axis: "x", speed: 5 });
colors("light", { palette: ["#ffdd80", "#ff9a2a", "#fff3c4"], pattern: "pulse", speed: 2, glow: 1 });