public s_object GetObjectFromWorld(Vector3 mousePositon)
    {
        Vector2  snap = Grid.SnapToGrid(mousePositon);
        s_object obj  = Grid.ObjectFromWorld(snap);

        if (obj != null)
        {
            return(obj);
        }
        else
        {
            return(null);
        }
    }
    private void Update()
    {
        if (Grid.gridworldsize.y > 0 && Grid.gridworldsize.x > 0)
        {
            Vector3  mousePositon = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            s_object selectedObj  = Grid.ObjectFromWorld(mousePositon);

            if (Input.GetKeyDown(KeyCode.W))
            {
                spritenum++;
            }
            if (Input.GetKeyDown(KeyCode.S))
            {
                spritenum--;
            }


            if (Input.GetKeyDown(KeyCode.E))
            {
                angle += 90;
            }

            if (angle > 360)
            {
                angle = 0;
            }

            examplerend.gameObject.transform.localRotation = Quaternion.Euler(0, 0, angle);

            spritenum = Mathf.Clamp(spritenum, 0, spriteArray.Length - 1);

            examplerend.sprite = spriteArray[spritenum];

            if (Grid.NodeFromWorld(mousePositon) != null)
            {
                Vector2 snap = Grid.SnapToGrid(mousePositon);
                if (Input.GetMouseButton(0))
                {
                    if (selectedObj != null)
                    {
                        if (selectedObj.GetComponent <s_object>().GetType() == typeof(o_tile))
                        {
                            SpriteRenderer ren = selectedObj.GetComponent <SpriteRenderer>();
                            ren.sprite = spriteArray[spritenum];
                            ren.gameObject.transform.localRotation = examplerend.gameObject.transform.localRotation;
                        }
                    }
                    //target.transform.position = mousePositon;
                    if (Grid.ObjectFromWorld(mousePositon) == null)
                    {
                        Vector2Int vecint = Grid.VectorPositionFromWorld(mousePositon);

                        if (selected_object != null)
                        {
                            s_object obj = Grid.SpawnObject(selected_object.name, snap);
                        }
                    }
                }
                if (Input.GetMouseButton(1))
                {
                    if (Grid.ObjectFromWorld(mousePositon) != null)
                    {
                        Vector2Int vecint = Grid.VectorPositionFromWorld(mousePositon);
                        if (selected_object != null)
                        {
                            Grid.DespawnObject(snap);
                        }
                    }
                }
            }
        }

        if (Grid.nodes != null)
        {
            for (int x = 0; x < Grid.gridworldsize.x; x++)
            {
                for (int y = 0; y < Grid.gridworldsize.y; y++)
                {
                    /*
                     * SpriteRenderer colourRender = Grid.nodegameobjects[x, y].GetComponent<SpriteRenderer>();
                     * colourRender.color = Color.white;
                     * if (Grid.CheckForNodeOnGrid(mousePositon, x, y))
                     * {
                     *  colourRender.color = Color.blue;
                     * }
                     */
                }
            }
        }
    }