How to make a camera that calculates collisions?

Question

Java

For several days I have been creating an engine based on OpenGL technology in Java, but I ran into a problem, I just can’t find normal lessons on the Internet on creating a camera that would calculate collisions and not pass through an object.
PS I am programming in Java using the LWJGL
PSS library. And I didn’t find any lessons on writing a normal camera either, so I took someone else’s code, took the camera code from there and converted it into a separate class.

Answer 1

I would take a look at jbullet .
It's ancient and hasn't been maintained for a long time, but for general tasks it should be enough.
In principle, you can stick the camera into a transparent ball, attach it to the center, taking into account the orientation along one or two axes, and calculate collisions. Get Zorb.
Unfortunately, I have not seen actual 3d nat. engines for Java.
Yes, and usually most often you have to write under pure C, without pluses.