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path: root/examples/UnityExample/Assets/Scripts/FreeCamera.cs
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class FreeCamera : MonoBehaviour
{
    public float cameraSensitivity = 90;
    public float climbSpeed = 4;
    public float normalMoveSpeed = 10;
    public float slowMoveFactor = 0.25f;
    public float fastMoveFactor = 3;

    private float rotationX = 0.0f;
    private float rotationY = 0.0f;

    void Start()
    {
        Cursor.lockState = CursorLockMode.Confined;
        rotationX = transform.localRotation.eulerAngles.y;
        rotationY = -transform.localRotation.eulerAngles.x;
    }

    void Update()
    {
        if(!Input.GetMouseButton(1))
        {
            return;
        }

        rotationX += Input.GetAxis("Mouse X") * cameraSensitivity * Time.deltaTime;
        rotationY += Input.GetAxis("Mouse Y") * cameraSensitivity * Time.deltaTime;
        rotationY = Mathf.Clamp(rotationY, -90, 90);

        transform.localRotation = Quaternion.AngleAxis(rotationX, Vector3.up);
        transform.localRotation *= Quaternion.AngleAxis(rotationY, Vector3.left);

        if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
        {
            transform.position += transform.forward * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Vertical") * Time.deltaTime;
            transform.position += transform.right * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Horizontal") * Time.deltaTime;
        }
        else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
        {
            transform.position += transform.forward * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis("Vertical") * Time.deltaTime;
            transform.position += transform.right * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis("Horizontal") * Time.deltaTime;
        }
        else
        {
            transform.position += transform.forward * normalMoveSpeed * Input.GetAxis("Vertical") * Time.deltaTime;
            transform.position += transform.right * normalMoveSpeed * Input.GetAxis("Horizontal") * Time.deltaTime;
        }

        if (Input.GetKey(KeyCode.Q)) { transform.position -= transform.up * climbSpeed * Time.deltaTime; }
        if (Input.GetKey(KeyCode.E)) { transform.position += transform.up * climbSpeed * Time.deltaTime; }

        //if (Input.GetKeyDown(KeyCode.End))
        //{
        //    Cursor.lockState = (Cursor.lockState == CursorLockMode.Confined) ? CursorLockMode.None : CursorLockMode.Confined;
        //}
    }
}