Camera following spline, flying pawn going out of screen

Development Character & Animation
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1

Hello!

The level setup is a roller coaster with a spline on X axis doing curves up and down.
Both camera and pawn follows this spline, but pawn is free to move on YZ directions.

My question is, in this case how do I make to avoid the pawn going out of screen?
I’m new to unreal and I’ve tried without a solid success, few shenanigans to solve like hollow blocking volumes or a invisible mesh near the pawn both also following to the spline.

I hope if someone have a more neat solution, any help is appreciated, thank you.

http://i.imgur.com/ynrWS4H.gif

pawn going out of screen.

http://i.imgur.com/KfFvhhd.gif

the camera follows the spline rotation, here the camera rotated up and the pawn went off screen.

2

does the pawn not have its own camera component?

3

no, in the project the camera are placed on the level and follow the spline.
in my experience, when I attach a camera on the pawn, the camera follow the pawn which isn’t my desired goal.