In a 3d firemonkey app I placed on the form a TViewport and a 3d cube. if connect the cube to the view port (parented under the viewport in the ‘Structure’), the cube is not visible anymore.
my setup
the form at design time (observe that nothing is visible)
The cube is visible if it is NOT parented under the viewport!
However, this 8 years old tutorial from Embarcadero shows that the cube parented under the view port and it worked.
I guess something changed in FMX since then.
https://www.youtube.com/watch?v=bjflkb1GzaM
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