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Escopeta doble

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Escopeta dobleArrastrá para girarlo
// «Escopeta doble» · propio
// A double-barrel shotgun: two side-by-side dark barrels, a wooden stock with brass details.

const colors = () => {};
const WOOD    = "#8a5a2b";
const WOOD_H  = "#a9713a";
const WOOD_D  = "#5f3c1c";
const STEEL   = "#2e333b";
const STEEL_H = "#4b535f";
const STEEL_D = "#171a1f";
const BRASS   = "#c9a227";
const BRASS_H = "#e8c85a";
const BRASS_D = "#8f6f18";

part("body");

// ---------------- STOCK (rear) ----------------
box(2,19,0,2,29,7, BRASS);          // brass butt plate
box(2,20,1,2,28,6, BRASS_H);
box(3,19,0,8,29,7, WOOD);           // butt
box(9,19,0,12,29,6, WOOD);          // mid stock
box(13,20,0,14,28,5, WOOD);         // wrist / grip

// brass pins on the stock
set(6,21,7, BRASS_H);
set(6,27,7, BRASS_H);
set(6,24,7, BRASS_D);

// ---------------- RECEIVER ----------------
box(15,18,0,18,30,6, STEEL);
box(15,18,6,18,30,6, STEEL_H);      // top plate
box(15,23,6,18,25,6, BRASS);        // top tang
set(16,19,5, BRASS);                // side pins
set(16,29,5, BRASS);

// ---------------- BARRELS ----------------
cylinder(18,21,2.5,2.5,27, STEEL, "x");
cylinder(18,27,2.5,2.5,27, STEEL, "x");

// dark seam between the two barrels
box(18,23,0,44,25,5, STEEL_D);

// wooden fore-end sleeve
cylinder(22,21,2.5,2.9,11, WOOD, "x");
cylinder(22,27,2.5,2.9,11, WOOD, "x");

// brass band around the barrels
cylinder(34,21,2.5,3.0,2, BRASS, "x");
cylinder(34,27,2.5,3.0,2, BRASS, "x");

// top sighting rib
box(19,23,5,44,25,5, "#5b6472");

// ---------------- MUZZLE ----------------
cylinder(42,21,2.5,3.0,2, BRASS, "x");
cylinder(42,27,2.5,3.0,2, BRASS, "x");
cylinder(44,21,2.5,2.5,1, STEEL_D, "x");
cylinder(44,27,2.5,2.5,1, STEEL_D, "x");
cylinder(44,21,2.5,1.4,1, "#0b0d10", "x");
cylinder(44,27,2.5,1.4,1, "#0b0d10", "x");

// front sight bead
set(41,24,6, BRASS_H);

// ---------------- GRAIN / WEATHER PASS ----------------
forEach((x, y, z, c) => {
  if (c === WOOD) {
    const n = Math.sin(x * 1.9 + y * 2.7 + z * 0.7) * 0.5 + 0.5;
    if (n > 0.74) set(x, y, z, WOOD_H);
    else if (n < 0.18) set(x, y, z, WOOD_D);
  } else if (c === STEEL) {
    const n = Math.sin(x * 2.1 + y * 1.3 + z * 3.1) * 0.5 + 0.5;
    if (n > 0.80) set(x, y, z, STEEL_H);
    else if (n < 0.14) set(x, y, z, STEEL_D);
  }
});

// ---------------- HAMMERS ----------------
part("hammerL", [15, 21, 6]);
box(15,20,6,16,22,8, STEEL_H);
set(15,21,8, BRASS);
set(16,20,8, STEEL_D);
set(15,20,7, STEEL_D);

part("hammerR", [15, 27, 6]);
box(15,26,6,16,28,8, STEEL_H);
set(15,27,8, BRASS);
set(16,26,8, STEEL_D);
set(15,26,7, STEEL_D);

part("body");

animate("hammerL", { type: "swing", axis: "y", speed: 2.0, amplitude: 0.45 });
animate("hammerR", { type: "swing", axis: "y", speed: 2.0, amplitude: 0.45 });