() * 40 - 20,
				Math.random() * 40 - 20,
				Math.random() * 40 - 20
			);
			mesh.euler.set(
				Math.random() * Math.PI * 2,
				Math.random() * Math.PI * 2,
				Math.random() * Math.PI * 2
			);
			mesh.scale.setScalar(0.5 + Math.random() * 0.5);
			mesh.updateMatrix();

			mesh.userData.geometryId = geometryId;
			mesh.userData.batchId = 0;
			mesh.userData.rotationSpeed = new t3d.Euler(
				Math.random() * 0.05,
				Math.random() * 0.05,
				Math.random() * 0.05
			);
		
			return mesh;
		}

		functi