private void Update()
{
if (m_Grid == null || m_Camera == null)
{
return;
}
Vector3 mousePosition = Input.mousePosition;
Ray ray = m_Camera.ScreenPointToRay(mousePosition);
if (Physics.Raycast(ray, out RaycastHit hit))
{
if (hit.transform != transform)
{
return;
}
Vector3 hitPosition = hit.point;
Vector3 difference = hitPosition - m_Offset;
int x = (int)(difference.x / m_NodeSize);
int y = (int)(difference.z / m_NodeSize);
if (Input.GetMouseButtonDown(0))
{
if (m_Grid.GetNode(x, y).IsOccupied)
{
m_Grid.FreeNode(new Vector2Int(x, y));
}
else
{
m_Grid.TryOccupyNode(new Vector2Int(x, y));
}
}
}
}
