101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
import { Document, NodeIO } from "@gltf-transform/core";
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import { readFileSync, mkdirSync } from "node:fs";
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import path from "node:path";
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import { fileURLToPath } from "node:url";
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import { buildGeometry } from "./geometry.mjs";
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const manifestPath = path.resolve(
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__dirname,
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process.argv[2] ?? "../seed/manifest-tegumentar.json",
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);
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const outDir = path.resolve(__dirname, "../seed/models");
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mkdirSync(outDir, { recursive: true });
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const { structures } = JSON.parse(readFileSync(manifestPath, "utf-8"));
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function eulerToQuat([x, y, z]) {
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const cx = Math.cos(x / 2), sx = Math.sin(x / 2);
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const cy = Math.cos(y / 2), sy = Math.sin(y / 2);
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const cz = Math.cos(z / 2), sz = Math.sin(z / 2);
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return [
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sx * cy * cz - cx * sy * sz,
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cx * sy * cz + sx * cy * sz,
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cx * cy * sz - sx * sy * cz,
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cx * cy * cz + sx * sy * sz,
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];
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}
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function hexToRgb(hex) {
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const n = parseInt(hex.replace("#", ""), 16);
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return [((n >> 16) & 255) / 255, ((n >> 8) & 255) / 255, (n & 255) / 255, 1];
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}
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const bySystem = new Map();
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for (const s of structures) {
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if (!bySystem.has(s.system)) bySystem.set(s.system, []);
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bySystem.get(s.system).push(s);
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}
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const systemColors = {
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esqueletico: "#e8e2d0",
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muscular: "#b5433a",
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nervoso: "#f2c14e",
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cardiovascular: "#c1121f",
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respiratorio: "#4f7cff",
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tegumentar: "#e0a96d",
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};
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for (const [systemSlug, items] of bySystem) {
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const doc = new Document();
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const buffer = doc.createBuffer();
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const scene = doc.createScene(systemSlug);
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doc.getRoot().setDefaultScene(scene);
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const material = doc
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.createMaterial(systemSlug)
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.setBaseColorFactor(hexToRgb(systemColors[systemSlug] ?? "#cccccc"))
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.setRoughnessFactor(0.6)
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.setMetallicFactor(0.05);
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for (const item of items) {
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const geo = buildGeometry(item.shape);
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const posAccessor = doc
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.createAccessor()
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.setType("VEC3")
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.setArray(geo.positions)
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.setBuffer(buffer);
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const normAccessor = doc
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.createAccessor()
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.setType("VEC3")
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.setArray(geo.normals)
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.setBuffer(buffer);
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const idxAccessor = doc
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.createAccessor()
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.setType("SCALAR")
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.setArray(geo.indices)
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.setBuffer(buffer);
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const prim = doc
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.createPrimitive()
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.setAttribute("POSITION", posAccessor)
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.setAttribute("NORMAL", normAccessor)
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.setIndices(idxAccessor)
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.setMaterial(material);
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const mesh = doc.createMesh(item.meshName).addPrimitive(prim);
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const node = doc
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.createNode(item.meshName)
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.setMesh(mesh)
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.setTranslation(item.position)
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.setRotation(eulerToQuat(item.rotation ?? [0, 0, 0]));
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scene.addChild(node);
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}
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const io = new NodeIO();
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const outFile = path.join(outDir, `${systemSlug}.glb`);
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await io.write(outFile, doc);
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console.log(`✓ ${outFile} (${items.length} estruturas)`);
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}
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