how to destroy instatiated prefab behind the player

Questions & Answers
1

Hello, I’m making a slope type game where a sphere is rolling down a ramp. The ramp is infinite because I’m instantiating a ramp prefab in front of the player. How do I delete this ramp prefab when it’s behind and far away from the player to improve performance?

2

You can keep the reference of the instantiated ramps in an List of game objects and check them in a custom update if they r behind player or out of view and then destroy them!
E.g.
GameObject Ramp=Instantiate(RampPrefab);
Ramps.Add(Ramp);

But I would recommend you to use object pooling if you have an infinite runner kind of game for better optimization