private Vector3 firstPosition;
private Vector3 finalPosition;
private float swipeAngle;

//......//

void OnMouseDown(){
        //Mendapatkan titik awal sentuhan jari
        firstPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
}

void OnMouseUp(){
        //Mendapatkan titik akhir sentuhan jari
        finalPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
}