forked from phenom/healer-man
29 lines
1.9 KiB
JavaScript
29 lines
1.9 KiB
JavaScript
import { test } from "node:test";
|
|
import assert from "node:assert/strict";
|
|
import { mkdtemp, rm } from "node:fs/promises";
|
|
import os from "node:os";
|
|
import path from "node:path";
|
|
import { Document, NodeIO } from "@gltf-transform/core";
|
|
import { writeBoundedCollisionGlbs } from "./bounded-collision-glb.mjs";
|
|
|
|
test("collision chunking preserves transformed triangles, reflected winding and hard caps", async () => {
|
|
const directory = await mkdtemp(path.join(os.tmpdir(), "rom-bounded-collision-"));
|
|
try {
|
|
const io = new NodeIO(), document = new Document(), buffer = document.createBuffer();
|
|
const position = document.createAccessor("position", buffer).setType("VEC3").setArray(new Float32Array([0,0,0, 1,0,0, 0,0,1]));
|
|
const indices = document.createAccessor("indices", buffer).setType("SCALAR").setArray(new Uint16Array([0,1,2, 0,1,2, 0,1,2]));
|
|
const scene = document.createScene(); document.getRoot().setDefaultScene(scene);
|
|
scene.addChild(document.createNode().setTranslation([10,2,3]).setScale([-1,1,1]).setMesh(document.createMesh().addPrimitive(document.createPrimitive().setAttribute("POSITION", position).setIndices(indices))));
|
|
const input = path.join(directory, "source.glb"); await io.write(input, document);
|
|
const records = await writeBoundedCollisionGlbs(input, directory, "fixture", { maximumTriangles: 2 });
|
|
assert.deepEqual(records.map(row => row.triangles), [2,1]);
|
|
const arrays = [];
|
|
for (const row of records) arrays.push(...(await io.read(path.join(directory, row.file))).getRoot().listAccessors()[0].getArray());
|
|
assert.deepEqual(arrays, Array(3).fill([10,2,3, 10,2,4, 9,2,3]).flat());
|
|
} finally {
|
|
assert.ok(path.resolve(directory).startsWith(path.resolve(os.tmpdir()) + path.sep)
|
|
&& path.basename(directory).startsWith("rom-bounded-collision-"));
|
|
await rm(directory, { recursive: true, force: true });
|
|
}
|
|
});
|