Das Script, danke

using UnityEngine;

/// <summary>
/// Script which controls the ball
/// </summary>
[RequireComponent(typeof(Rigidbody))]
public class BallControl : MonoBehaviour
{
    public static BallControl instance;

    [SerializeField] private LineRenderer lineRenderer;     //reference to lineRenderer child object
    [SerializeField] private float MaxForce;                //maximum force that an be applied to ball
    [SerializeField] private float forceModifier = 10000f;    //multipliers of force
    [SerializeField] private GameObject areaAffector;       //reference to sprite object which show area around ball to click
    [SerializeField] private LayerMask rayLayer;            //layer allowed to be detected by ray

    private float force;                                    //actuale force which is applied to the ball
    private Rigidbody rgBody;                               //reference to rigidbody attached to this gameobject
    /// <summary>
    /// The below variables are used to decide the force to be applied to the ball
    /// </summary>
    private Vector3 startPos, endPos;
    private bool canShoot = false, ballIsStatic = true;    //bool to make shooting stopping ball easy
    private Vector3 direction;                              //direction in which the ball will be shot
    public GameObject[] driveParticles;
    public float speedForDriveParticles;
    public float lookAtRotationSpeed;
    public WinConditions[] winConditions;
    public int currentWinCondition;
    public int winConditionsMet;

    private void Awake()
    {
        if (instance == null)
        {
            instance = this;
        }
        else
        {
            Destroy(gameObject);
        }

        rgBody = GetComponent<Rigidbody>();                 //get reference to the rigidbody
    }

    // Update is called once per frame
    void Update()
    {
        if(winConditions[currentWinCondition].objectsitNeedsToHit <= winConditionsMet)
        {
            LevelManager.instance.LevelComplete();
        }
        if (rgBody.velocity == Vector3.zero && !ballIsStatic)   //if velocity is zero and ballIsStatic is false
        {
            ballIsStatic = true;                                //set ballIsStatic to true
            LevelManager.instance.ShotTaken();                  //inform LevelManager of shot taken
            rgBody.angularVelocity = Vector3.zero;              //set angular velocity to zero
            areaAffector.SetActive(true);                       //activate areaAffector
        }
    }

    private void FixedUpdate()
    {
        if (canShoot)                                               //if canSHoot is true
        {
            canShoot = false;                                       //set canShoot to false
            ballIsStatic = false;                                   //set ballIsStatic to false
            direction = new Vector3(startPos.x - endPos.x, 0, startPos.z - endPos.z);         //get the direction between 2 vectors from start to end pos

            rgBody.AddForce(direction * force, ForceMode.Impulse);  //add force to the ball in given direction
            areaAffector.SetActive(false);                          //deactivate areaAffector
            UIManager.instance.PowerBar.fillAmount = 0;             //reset the powerBar to zero
            force = 0;                                              //reset the force to zero
            startPos = endPos = Vector3.zero;                       //reset the vectors to zero
        }
        if(rgBody.velocity.magnitude >= speedForDriveParticles)
        {
            for (int i = 0; i < driveParticles.Length; i++)
            {
                driveParticles[i].SetActive(true);
            }
        }
        if(rgBody.velocity.magnitude < speedForDriveParticles)
        {
            for (int i = 0; i < driveParticles.Length; i++)
            {
                driveParticles[i].SetActive(false);
            }
        }
    }

    // Unity native Method to detect colliding objects
    private void OnTriggerEnter(Collider other)
    {
        if (other.name == "Destroyer")                              //if the object name is Destroyer
        {
            LevelManager.instance.LevelFailed();                    //Level Failed
        }
        else if (other.name == "Hole")                              //if the object name is Hole
        {
            LevelManager.instance.LevelComplete();                  //Level Complete
        }
    }

    public void MouseDownMethod()
    {
        if(!ballIsStatic) return;
        startPos = ClickedPoint();                                          //get the vector in word space
        lineRenderer.gameObject.SetActive(true);                            //activate lineRenderer
        lineRenderer.SetPosition(0, lineRenderer.transform.localPosition);  //set its 1st position
    }

    public void MouseNormalMethod()
    {
        if(!ballIsStatic) return;

        endPos = ClickedPoint();
        //transform.LookAt(new Vector3(0, -endPos.y, ));
        //transform.rotation *= Quaternion.Euler(1, 0, 1);
        var lookPos = -endPos - transform.position;
        lookPos.y = 0;
        var rotation = Quaternion.LookRotation(lookPos);
        transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * lookAtRotationSpeed);
        force = Mathf.Clamp(Vector3.Distance(endPos, startPos) * forceModifier, 0, MaxForce);   //calculate the force
        UIManager.instance.PowerBar.fillAmount = force / MaxForce;              //set the powerBar image fill amount
        //we convert the endPos to local pos for ball as lineRenderer is child of ball
        lineRenderer.SetPosition(1, transform.InverseTransformPoint(endPos));   //set its 1st position
    }

    public void MouseUpMethod()                                             //method called by InputManager
    {
        if(!ballIsStatic) return;                                           //no mouse detection if ball is moving
        canShoot = true;                                                    //set canShoot true
        lineRenderer.gameObject.SetActive(false);                           //deactive lineRenderer
    }

    /// <summary>
    /// Method used to convert the mouse position to the world position in respect to Level
    /// </summary>
    Vector3 ClickedPoint()
    {
        Vector3 position = Vector3.zero;                                //get a new Vector3 varialbe
        var ray = Camera.main.ScreenPointToRay(Input.mousePosition);    //create a ray from camera in mouseposition direction
        RaycastHit hit = new RaycastHit();                              //create a RaycastHit
        if (Physics.Raycast(ray, out hit, Mathf.Infinity, rayLayer))    //check for the hit
        {
            position = hit.point;                                       //save the hit point in position
        }
        return position;                                                //return position
    }

#if UNITY_EDITOR

    private void OnDrawGizmosSelected()
    {
        Gizmos.color = Color.red;
        Gizmos.DrawWireSphere(transform.position, 1.5f);
    }

#endif

}