I want to make an FPS controller that feels realistic, like when you move you really feel that your character has mass. In Unity I would've done that with RigidBody, but how do I do that in Godot 4.3.1 with CharacterBody3D? I know that RigidBody3D is not suitable for character controllers. May anyone show me the direction in which I shall dig?
You can't precisely control the movement of a rigidbody like you can with a characterbody, so most games use a characterbody since that's what they want. But you can have rigidbodies in a game and apply forces to them, it doesn't matter if the forces are triggered by input and you happened to have a camera on it and call it a player.