first commit

2025-12-10 12:32:12 +00:00
commit adbbf6bf50
3442 changed files with 2725681 additions and 0 deletions
--- a/web-app/node_modules/meshoptimizer/meshopt_simplifier.test.js
+++ b/web-app/node_modules/meshoptimizer/meshopt_simplifier.test.js
@@ -0,0 +1,144 @@
+var assert = require('assert').strict;
+var simplifier = require('./meshopt_simplifier.js');
+
+process.on('unhandledRejection', error => {
+	console.log('unhandledRejection', error);
+	process.exit(1);
+});
+
+var tests = {
+	compactMesh: function() {
+		var indices = new Uint32Array([
+			0, 1, 3,
+			3, 1, 5,
+		]);
+
+		var expected = new Uint32Array([
+			0, 1, 2,
+			2, 1, 3,
+		]);
+
+		var missing = 2**32-1;
+
+		var remap = new Uint32Array([
+			0, 1, missing, 2, missing, 3
+		]);
+
+		var res = simplifier.compactMesh(indices);
+		assert.deepEqual(indices, expected);
+		assert.deepEqual(res[0], remap);
+		assert.equal(res[1], 4); // unique
+	},
+
+	simplify: function() {
+		// 0
+		// 1 2
+		// 3 4 5
+		var indices = new Uint32Array([
+			0, 2, 1,
+			1, 2, 3,
+			3, 2, 4,
+			2, 5, 4,
+		]);
+
+		var positions = new Float32Array([
+			0, 2, 0,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+			1, 0, 0,
+			2, 0, 0,
+		]);
+
+		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01);
+
+		var expected = new Uint32Array([
+			3, 0, 5,
+		]);
+
+		assert.deepEqual(res[0], expected);
+		assert.equal(res[1], 0); // error
+	},
+
+	simplify16: function() {
+		// 0
+		// 1 2
+		// 3 4 5
+		var indices = new Uint16Array([
+			0, 2, 1,
+			1, 2, 3,
+			3, 2, 4,
+			2, 5, 4,
+		]);
+
+		var positions = new Float32Array([
+			0, 2, 0,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+			1, 0, 0,
+			2, 0, 0,
+		]);
+
+		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01);
+
+		var expected = new Uint16Array([
+			3, 0, 5,
+		]);
+
+		assert.deepEqual(res[0], expected);
+		assert.equal(res[1], 0); // error
+	},
+
+	simplifyLockBorder: function() {
+		// 0
+		// 1 2
+		// 3 4 5
+		var indices = new Uint32Array([
+			0, 2, 1,
+			1, 2, 3,
+			3, 2, 4,
+			2, 5, 4,
+		]);
+
+		var positions = new Float32Array([
+			0, 2, 0,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+			1, 0, 0,
+			2, 0, 0,
+		]);
+
+		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01, ["LockBorder"]);
+
+		var expected = new Uint32Array([
+			0, 2, 1,
+			1, 2, 3,
+			3, 2, 4,
+			2, 5, 4,
+		]);
+
+		assert.deepEqual(res[0], expected);
+		assert.equal(res[1], 0); // error
+	},
+
+	getScale: function() {
+		var positions = new Float32Array([
+			0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3
+		]);
+
+		assert(simplifier.getScale(positions, 3) == 3.0);
+	},
+};
+
+Promise.all([simplifier.ready]).then(() => {
+	var count = 0;
+
+	for (var key in tests) {
+		tests[key]();
+		count++;
+	}
+
+	console.log(count, 'tests passed');
+});