Hyper-cheesy-simple non-aerodynamic flight controls.

HyperSimpleFlightControls.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// @kurtdekker
//
// Hyper-cheesy non-aerodynamic flight controls
//
// To use:
//	- slap this on your camera
//	- move the camera where you want it to start
//	- press PLAY

public class HyperSimpleFlightControls : MonoBehaviour
{
	// gathered inputs
	float horizontal;
	float vertical;

	// your input coupled to roll
	float rollRate = 90;
	
	// your input coupled to pitch
	float pitchRate = 50;
	
	// the bank angle coupled to yaw (turning)
	float BankToTurnCoupling = 60;

	float airspeed = 20;

	void UpdatGatherInput()
	{
		// replace with whatever you want here... new input system or whatever

		horizontal = -Input.GetAxis( "Horizontal");
		vertical = Input.GetAxis( "Vertical");
	}

	void UpdateFlightDynamics()
	{
		// roll
		transform.Rotate( Vector3.forward, horizontal * rollRate * Time.deltaTime);

		// pitch
		transform.Rotate( Vector3.right, vertical * pitchRate * Time.deltaTime);

		// couple yaw to roll angle - pure cheese - only works to a point
		transform.Rotate( Vector3.up, -transform.right.y * BankToTurnCoupling * Time.deltaTime);

		// move
		transform.position += transform.forward * (airspeed * Time.deltaTime);
	}

	void Update ()
	{
		UpdatGatherInput();
		UpdateFlightDynamics();
	}
}