begin splitting up the example into a single example 200 LOC target

examples/core/resources/models/unit_cube.obj

@@ -7,16 +7,21 @@ v -0.5 -0.5  0.5
 v  0.5 -0.5  0.5
 v  0.5  0.5  0.5
 v -0.5  0.5  0.5
+#comment these out to compare opengl11 planar auto fill with just using this and opengl33
+vt 0.0 0.0
+vt 1.0 0.0
+vt 1.0 1.0
+vt 0.0 1.0
 s off
-f 1 4 3
-f 1 3 2
-f 5 6 7
-f 5 7 8
-f 1 5 8
-f 1 8 4
-f 2 3 7
-f 2 7 6
-f 4 8 7
-f 4 7 3
-f 1 2 6
-f 1 6 5
+f 1/1 4/4 3/3
+f 1/1 3/3 2/2
+f 5/1 6/2 7/3
+f 5/1 7/3 8/4
+f 1/1 5/1 8/4
+f 1/1 8/4 4/4
+f 2/2 3/3 7/3
+f 2/2 7/3 6/2
+f 4/4 8/4 7/3
+f 4/4 7/3 3/3
+f 1/1 2/2 6/2
+f 1/1 6/2 5/1