public void Move(GridCoord start, GridCoord end)
{
if (start.Equals(end))
return;
var occupying = gridGOs[end.x, end.y, end.z];
if (occupying != null)
Destroy(occupying);
gridGOs[start.x, start.y, start.z].transform.position = end.WorldPosition;
gridGOs[end.x, end.y, end.z] = gridGOs[start.x, start.y, start.z];
gridGOs[start.x, start.y, start.z] = null;
grid[end.x, end.y, end.z] = grid[start.x, start.y, start.z];
grid[start.x, start.y, start.z] = VoxelType.Empty;
}
