private void Update()
{
Vector3 mousePosition = Input.mousePosition;
Ray ray = m_Camera.ScreenPointToRay(mousePosition);
if (!Physics.Raycast(ray, out RaycastHit hit))
{
// mouse doesn't point to anything
return;
}
if (hit.transform != transform)
{
// mouse doesn't point to the grid
return;
}
if (Input.GetMouseButtonDown(0))
{
// click on grid
Vector3 hitPosition = hit.point;
Vector3 difference = hitPosition - m_Offset;
int x = (int)(difference.x / m_Nodesize);
int y = (int)(difference.z / m_Nodesize);
Vector2Int coords = new Vector2Int(x, y);
ProcessClickOnGrid(coords, m_StartCoordinate);
if (m_NeedUpdate)
{
m_Grid.UpdateField();
ResetCache();
}
}
}