private void AddSpaceAtMouse(Event e, Grid grid)
{
Vector2 pos = e.mousePosition;
//Find mouse relative to scene view
pos.y = SceneView.currentDrawingSceneView.camera.pixelHeight - pos.y;
pos = SceneView.currentDrawingSceneView.camera.ScreenToWorldPoint(pos);
//Fix cordinates to grid
pos.x = Mathf.Min(grid.GridWidth - 1, Mathf.Max(0, (int)(pos.x)));
pos.y = Mathf.Min(grid.GridHeight - 1, Mathf.Max(0, (int)(pos.y)));
//AddTile
grid.AddGridSpace((int)pos.x, (int)pos.y);
}