// -----------------------------------------------------------------------------------------
public bool FindTerrainPointUnderMouse(UN_Camera cam, ref Vector3 where)
// -----------------------------------------------------------------------------------------
{
if (Dbg.Assert(cam != null))
{
return(false);
}
Ray ray = cam.ScreenPointToRay(Input.mousePosition);
RaycastHit hitInfo;
if (!Physics.Raycast(ray, out hitInfo, 300, _terrainLayerMask))
{
return(false);
}
where = hitInfo.point;
return(true);
}
// ------------------------------------------------------------------------------------------------
/// <summary>
/// Simply returns the 'best' ISelectable under the mouse
/// </summary>
/// <returns></returns>
protected SM_ISelectable CheckForObjectUnderMouse(UN_Camera cam)
// ------------------------------------------------------------------------------------------------
{
if (Dbg.Assert(cam != null))
{
return(null);
}
Ray ray = cam.ScreenPointToRay(Input.mousePosition);
RaycastHit[] hits = Physics.RaycastAll(ray);
if (hits == null)
{
return(null);
}
int bestNdx = -1;
float bestDst = float.MaxValue;
SM_ISelectable bestSelect = null;
for (int i = 0; i < hits.Length; i++)
{
if (hits[i].distance < bestDst)
{
if (CheckParentsForSelectable(hits[i].transform, ref bestSelect))
{
bestNdx = i;
}
}
}
if (bestNdx < 0)
{
return(null);
}
return(bestSelect);
}