/// <summary>
/// 邻居在我的哪个方向，是否算靠的很近
/// </summary>
/// <param name="moved_"></param>
/// <param name="neighbour_"></param>
/// <param name="dir_"></param>
/// <param name="offset_"></param>
/// <returns></returns>
private bool IsNear(RectTransform moved_, RectTransform neighbour_, ENUM_RECT_DIR dir_, out Vector2 offset_)
{
offset_ = Vector3.zero;
Vector2 moved_coord = this.GetLocalPositionInCanvas(moved_.gameObject);
Vector2 neighbour_coord = this.GetLocalPositionInCanvas(neighbour_.gameObject);
Vector2 aim_coord = this.CalcMyAimCoord(neighbour_coord, dir_);
offset_ = aim_coord - moved_coord;
float cur_dis = (offset_).sqrMagnitude;
if (dir_ <= ENUM_RECT_DIR.E_RIGHT)
{
if (cur_dis > this.m_sqrt_straight_near_dis)
{
return(false);
}
}
else
{
if (cur_dis > this.m_sqrt_oblique_near_dis)
{
return(false);
}
}
offset_ = aim_coord - moved_coord;
return(true);
}
private Vector2 CalcMyAimCoord(Vector2 neighbour_coord_, ENUM_RECT_DIR dir_)
{
Vector2 aim_coord = Vector2.zero;
if (ENUM_RECT_DIR.E_UP == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x, neighbour_coord_.y - m_logic_rect_size.y);
}
else if (ENUM_RECT_DIR.E_DOWN == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x, neighbour_coord_.y + m_logic_rect_size.y);
}
else if (ENUM_RECT_DIR.E_LEFT == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x + m_logic_rect_size.x, neighbour_coord_.y);
}
else if (ENUM_RECT_DIR.E_RIGHT == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x - m_logic_rect_size.x, neighbour_coord_.y);
}
if (ENUM_RECT_DIR.E_LEFT_UP == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x + m_logic_rect_size.x, neighbour_coord_.y - m_logic_rect_size.y);
}
else if (ENUM_RECT_DIR.E_RIGHT_UP == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x - m_logic_rect_size.x, neighbour_coord_.y - m_logic_rect_size.y);
}
else if (ENUM_RECT_DIR.E_LEFT_DOWN == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x + m_logic_rect_size.x, neighbour_coord_.y + m_logic_rect_size.y);
}
else if (ENUM_RECT_DIR.E_RIGHT_DOWN == dir_)
{
aim_coord = new Vector2(neighbour_coord_.x - m_logic_rect_size.x, neighbour_coord_.y + m_logic_rect_size.y);
}
return(aim_coord);
}
