Externalize the freecam

demo/resources/inverted_cube.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2

demo/resources/inverted_cube.obj

@@ -0,0 +1,40 @@
+# Blender v2.92.0 OBJ File: ''
+# www.blender.org
+mtllib inverted_cube.mtl
+o Cube
+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 -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+vt 0.625000 0.500000
+vt 0.625000 0.750000
+vt 0.875000 0.750000
+vt 0.875000 0.500000
+vt 0.375000 0.750000
+vt 0.375000 1.000000
+vt 0.625000 1.000000
+vt 0.375000 0.000000
+vt 0.375000 0.250000
+vt 0.625000 0.250000
+vt 0.625000 0.000000
+vt 0.125000 0.500000
+vt 0.125000 0.750000
+vt 0.375000 0.500000
+vn 0.0000 -1.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 1.0000 0.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 1.0000
+usemtl Material
+s off
+f 1/1/1 3/2/1 7/3/1 5/4/1
+f 4/5/2 8/6/2 7/7/2 3/2/2
+f 8/8/3 6/9/3 5/10/3 7/11/3
+f 6/12/4 8/13/4 4/5/4 2/14/4
+f 2/14/5 4/5/5 3/2/5 1/1/5
+f 6/9/6 2/14/6 1/1/6 5/10/6