setFromObject method

ConvexHull setFromObject(
  1. Object3D object
)

Implementation

ConvexHull setFromObject(Object3D object) {
  List<Vector3> points = [];

  object.updateMatrixWorld(true);

  object.traverse((node) {
    Vector3 point;

    final geometry = node.geometry;

    if (geometry != null) {
      // if (geometry.isGeometry) {
      //   final vertices = geometry.vertices;

      //   for (final i = 0, l = vertices.length; i < l; i++) {
      //     point = vertices[i].clone();
      //     point.applyMatrix4(node.matrixWorld);

      //     points.add(point);
      //   }
      // } else

      final attribute = geometry.attributes['position'];

      if (attribute != null) {
        for (int i = 0, l = attribute.count; i < l; i++) {
          point = Vector3();
          point.fromBuffer(attribute, i).applyMatrix4(node.matrixWorld);
          points.add(point);
        }
      }
    }
  });

  return setFromPoints(points);
}