Playercontroller

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

public class PlayerControllerScript : MonoBehaviour {

	[Header("Main settings")]
	public Camera mainCamera;
	public float moveSpeed;
	public float lookSensitivityX;
	public float lookSensitivityY;
	public float jumpForce;
	public float healthPoints;
	public float cameraRotLimit;

	private bool isGrounded;
	private Rigidbody myRigid;
	private Vector3 vel = Vector3.zero;
	private Vector3 rotationX = Vector3.zero;
	private float cameraRotation = 0f;
	private float currentCamRotX = 0f;
	private bool isPaused;


	private int deathHeight;


	// Use this for initialization
	void Start () {
		isPaused = true;
		myRigid = GetComponent<Rigidbody> ();

	}

	// Update is called once per frame
	void Update () {

		PlayerMovement ();

		if (Input.GetKeyDown (KeyCode.Space)) {
			myRigid.AddForce (new Vector3 (0f, jumpForce, 0f));
		}
		if (Input.GetKeyDown (KeyCode.Escape) && isPaused == false) {
			isPaused = true;
		} else if (Input.GetKeyDown (KeyCode.Escape) && isPaused == true) {
			isPaused = false;
		}

		if (isPaused) {
			Cursor.lockState = CursorLockMode.Locked;
			Cursor.visible = false;
		} else if (!isPaused) {
			Cursor.lockState = CursorLockMode.None;
			Cursor.visible = true;
		}
	}

	void FixedUpdate () {

		//Performs Movement based on velocity variable
	if (vel != Vector3.zero) {
		myRigid.MovePosition (myRigid.position + vel * Time.fixedDeltaTime);
		}


		//Performs the camera rotation
		myRigid.MoveRotation (myRigid.rotation * Quaternion.Euler (rotationX));
		if (mainCamera != null) {
			currentCamRotX -= cameraRotation;
			currentCamRotX = Mathf.Clamp (currentCamRotX, -cameraRotLimit, cameraRotLimit);
			mainCamera.transform.localEulerAngles = new Vector3 (currentCamRotX, 0f, 0f);
		}

	}

	void PlayerMovement () {

		//Final movement vector
		Vector3 finalVelocity = (transform.right * Input.GetAxisRaw ("Horizontal") + transform.forward * Input.GetAxisRaw ("Vertical")).normalized * moveSpeed;

		//Apply movement
		Move(finalVelocity);

		//Calculate rotation as a 3D vector (turning around the y axis)
		Vector3 rotX = new Vector3 (0f, Input.GetAxisRaw("Mouse X"), 0f) * lookSensitivityX;

		//Apply rotation
		Rotate (rotX);

		//Calculate camera rotation as a 3D vector (turning around the X axis)
		float rotY = Input.GetAxisRaw ("Mouse Y") * lookSensitivityY;

		//Apply camera rotation
		RotateCamera (rotY);

	}

	public void Move (Vector3 velocity) {
		vel = velocity;
	}
	public void Rotate (Vector3 rotX) {
		rotationX = rotX;
	}
	public void RotateCamera (float camRotY){
		cameraRotation = camRotY;
	}

}