use original cloth3d functions

utils/data_utils.py

@@ -1,8 +1,11 @@
 import os
 import sys
 import numpy as np
+import scipy.io as sio
+from math import cos, sin
 
 sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
+from superSMPL.IO import readPC2Frame, readOBJ
 
 
 class Frame:
@@ -30,4 +33,4 @@ def read_frames_file(file):
         for line in lines:
             id, frame_nr, garment = line.split()
             frames.append(Frame(id, int(frame_nr), garment))
-    return frames
+    return frames