private List <T4_occupant> get_colliders(T4_rect checkbox)
{
List <T4_occupant> colliders = new List <T4_occupant>();
// nothing to look here and deeper, we're outside of rect
if (!_rect.Is_intersects_with(checkbox))
{
return(colliders);
}
// add occupants from the deeper rooms
if (_rooms != null)
{
foreach (T4 room in _rooms)
{
colliders.AddRange(room.get_colliders(checkbox));
}
}
// add own occupants
foreach (T4_occupant occupant in _occupants)
{
if (occupant.Rect.Is_intersects_with(checkbox))
{
colliders.Add(occupant);
}
}
return(colliders);
}
public List <T4_rect> Get_colliding_obj_rects(T4_rect checkbox)
{
List <T4_rect> rects = new List <T4_rect>();
foreach (T4_occupant occupant in get_colliders(checkbox))
{
rects.Add(occupant.Rect);
}
return(rects);
}
public List <T> Get_colliding_objects <T>(T4_rect checkbox)
{
List <T> objects = new List <T>();
foreach (T4_occupant occupant in get_colliders(checkbox))
{
objects.Add((T)occupant.Obj);
}
return(objects);
}
// maybe it's wrong. gotta check
public bool Is_intersects_with(T4_rect he)
{
if (this.Xmax < he.Xmin)
{
return(false);
}
if (this.Xmin > he.Xmax)
{
return(false);
}
if (this.Ymax < he.Ymin)
{
return(false);
}
if (this.Ymin > he.Ymax)
{
return(false);
}
return(true);
}
public T4(T4_rect rect)
{
_rect = rect;
}
public void Add(T4_rect rect, object obj)
{
add(new T4_occupant(rect, obj));
}
public T4_occupant(T4_rect rect, object obj)
{
this.Rect = rect;
this.Obj = obj;
}
