Bachelor-Thesis_Furkan_Karakocaoglu/testumgebung/CrowdModelling/Assets/Depictions_Years/Scripts/General/MoveCamera.cs

using UnityEngine;

public class MoveCamera : MonoBehaviour
{
    // Rotation variables
    [SerializeField]
    private float rotationSpeed = 5f; //How sensitive it with mouse

    // Zoom variables
    [SerializeField]
    private float zoomSpeed = 20f; //How sensitive it with mousewheel
    private float minFov = 10f;
    private float maxFov = 90f;
    private Camera cam;

    // Move variables
    [SerializeField]
    private float mainSpeed = 7.0f; //regular speed
    private float shiftAdd = 5.0f; //multiplied by how long shift is held.  Basically running
    private float maxShift = 27.0f; //Maximum speed when holdin gshift
    private float totalRun = 1.0f;

    // Reset variables
    private Vector3 startPos;
    private Quaternion startRot;

    private void Start()
    {
        cam = GameObject.Find("MoveCamera").GetComponent<Camera>();
        startPos = cam.transform.position;
        startRot = cam.transform.rotation;
    }

    void Update()
    {
        if (Input.GetKey(KeyCode.R) || Input.GetKey(KeyCode.Escape))
        {
            cam.transform.position = startPos;
            cam.transform.rotation = startRot;
        }

        // Mouse camera angle
        if (Input.GetMouseButton(0))
            transform.eulerAngles += rotationSpeed * new Vector3(-Input.GetAxis("Mouse Y"), Input.GetAxis("Mouse X"), 0);

        // MouseWheel Zoom In Out
        float fov = cam.fieldOfView;
        fov -= Input.GetAxis("Mouse ScrollWheel") * zoomSpeed;
        fov = Mathf.Clamp(fov, minFov, maxFov);
        cam.fieldOfView = fov;

        // Keyboard commands camera movement
        Vector3 p = GetBaseInput();
        if (p.sqrMagnitude > 0)
        {
            // only move while a direction key is pressed
            if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
            {
                totalRun += Time.deltaTime;
                p = p * totalRun * shiftAdd;
                p.x = Mathf.Clamp(p.x, -maxShift, maxShift);
                p.y = Mathf.Clamp(p.y, -maxShift, maxShift);
                p.z = Mathf.Clamp(p.z, -maxShift, maxShift);
            }
            else
            {
                totalRun = Mathf.Clamp(totalRun * 0.5f, 1f, 1000f);
                p = p * mainSpeed;
            }

            p = p * Time.deltaTime;
            Vector3 newPosition = transform.position;
            if (Input.GetKey(KeyCode.Space))
            { 
                transform.Translate(p);
            }
            else
            {
                //If player wants to move on X and Z axis only
                transform.Translate(p);
                newPosition.x = transform.position.x;
                newPosition.z = transform.position.z;
                transform.position = newPosition;
            }
        }
    }

    private Vector3 GetBaseInput()
    { //returns the basic values, if it's 0 than it's not active.
        Vector3 p_Velocity = new Vector3();
        if (Input.GetKey(KeyCode.W) || Input.GetKey(KeyCode.UpArrow))
        {
            p_Velocity += new Vector3(0, 0, 1);
        }
        if (Input.GetKey(KeyCode.S) || Input.GetKey(KeyCode.DownArrow))
        {
            p_Velocity += new Vector3(0, 0, -1);
        }
        if (Input.GetKey(KeyCode.A) || Input.GetKey(KeyCode.LeftArrow))
        {
            p_Velocity += new Vector3(-1, 0, 0);
        }
        if (Input.GetKey(KeyCode.D) || Input.GetKey(KeyCode.RightArrow))
        {
            p_Velocity += new Vector3(1, 0, 0);
        }
        return p_Velocity;
    }
}