objLoader_trimesh.py

import trimesh
from trimesh.scene.scene import Scene
import logging
logger = logging.getLogger("pywavefront")
logger.setLevel(logging.ERROR)
import numpy as np

class trimesh_load_obj(object):
    def __init__(self, fileName):
        #self.bbox = np.zeros(shape=(2,3))
        ##
        self.vertices = []
        self.faces = []
        self.bbox = []
        # print(fileName)
        obj_info = trimesh.load(fileName, file_type='obj', process=False,use_embree=False)
        # print(obj_info)
        #self.vertices = obj_info.vertices
        self.vertices = obj_info.vertices #- obj_info.center_mass
        self.vertices = np.array(self.vertices).astype("float32")
        self.faces = np.array(obj_info.faces).astype("int32")
        self.bbox = np.array([[np.max(obj_info.vertices[:,0]), np.max(obj_info.vertices[:,1]), np.max(obj_info.vertices[:,2])], [np.min(obj_info.vertices[:,0]), np.min(obj_info.vertices[:,1]), np.min(obj_info.vertices[:,2])]])