读取obj文件（模型）

# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware # 创建的文件:09.01.2018 16:17:23 mtllib YHY_JZ_DGM_08_XQY_ZXL.mtl # # object polySurface90 # v -4.4869 7.3011 6.3900 v -4.1559 7.5959 6.0813 v -4.3967 7.4957 6.3058 v -4.4650 7.3955 6.3696 v -4.4486 7.2105 6.3543 v -4.3515 7.1483 6.2637 v -4.2296 7.1716 6.1500 v -4.1091 7.2454 6.0377 v -4.5404 7.4957 6.1517 v -4.4928 7.4900 6.2514 v -4.2277 7.5959 6.0043 v -4.2996 7.5959 5.9272 v -4.6087 7.3955 6.2154 v -4.5730 7.3871 6.3262 v -4.5999 7.2915 6.3513 v -4.6306 7.3011 6.2359 v -4.5923 7.2105 6.2002 v -4.5578 7.2018 6.3120 v -4.4952 7.1483 6.1096 v -4.4478 7.1426 6.2095 v -4.3733 7.1716 5.9959 v -4.3078 7.1701 6.0788 v -4.2529 7.2454 5.8836 v -4.1810 7.2454 5.9606 v -4.3545 7.1574 6.2883 v -4.3467 6.9505 6.0683 v -4.3512 6.9506 6.1995 v -4.3545 7.0552 6.2885 v -4.3469 7.1573 6.0682 v -4.3535 6.9820 6.2633 v -4.1846 7.1575 6.2942 v -4.1769 7.1574 6.0742 v -4.1813 6.9506 6.2055 v -4.1767 6.9506 6.0742 v -4.1844 7.0556 6.2944 v -4.1835 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