add obj and operate make ci

copy.obj

@@ -0,0 +1,48 @@
+# Blender3D v249 OBJ File: untitled.blend
+# www.blender3d.org
+mtllib cube.mtl
+v 1.000000 -1.000000 -1.000000
+v 1.000000 -1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+v -1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 -1.000000
+v 0.999999 1.000000 1.000001
+v -1.000000 1.000000 1.000000
+v -1.000000 1.000000 -1.000000
+vt 0.748573 0.750412
+vt 0.749279 0.501284
+vt 0.999110 0.501077
+vt 0.999455 0.750380
+vt 0.250471 0.500702
+vt 0.249682 0.749677
+vt 0.001085 0.750380
+vt 0.001517 0.499994
+vt 0.499422 0.500239
+vt 0.500149 0.750166
+vt 0.748355 0.998230
+vt 0.500193 0.998728
+vt 0.498993 0.250415
+vt 0.748953 0.250920
+vn 0.000000 0.000000 -1.000000
+vn -1.000000 -0.000000 -0.000000
+vn -0.000000 -0.000000 1.000000
+vn -0.000001 0.000000 1.000000
+vn 1.000000 -0.000000 0.000000
+vn 1.000000 0.000000 0.000001
+vn 0.000000 1.000000 -0.000000
+vn -0.000000 -1.000000 0.000000
+usemtl Material_ray.png
+s off
+f 5/1/1 1/2/1 4/3/1
+f 5/1/1 4/3/1 8/4/1
+f 3/5/2 7/6/2 8/7/2
+f 3/5/2 8/7/2 4/8/2
+f 2/9/3 6/10/3 3/5/3
+f 6/10/4 7/6/4 3/5/4
+f 1/2/5 5/1/5 2/9/5
+f 5/1/6 6/10/6 2/9/6
+f 5/1/7 8/11/7 6/10/7
+f 8/11/7 7/12/7 6/10/7
+f 1/2/8 2/9/8 3/13/8
+f 1/2/8 3/13/8 4/14/8
+

cube.obj

@@ -0,0 +1,20 @@
+v -1 -1 -1
+v 1 -1 -1
+v -1 1 -1
+v 1 1 -1
+v -1 -1 1
+v 1 -1 1
+v -1 1 1
+v 1 1 1
+f 1 3 4
+f 1 4 2
+f 5 6 8
+f 5 8 7
+f 1 2 6
+f 1 6 5
+f 3 7 8
+f 3 8 4
+f 1 5 7
+f 1 7 3
+f 2 4 8
+f 2 8 6