+
+bool Union::check_connection()
+{
+ switch (get_img_actual()) {
+ case 0:
+ if ( is_other_connection_area( get_position_x() - 5, get_position_y() +16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()/2, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ break;
+ case 1:
+ if ( is_other_connection_area( get_position_x()-5, get_position_y()+get_image()->get_height()/2) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()-16, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()-16, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ break;
+ case 2:
+ if ( is_other_connection_area( get_position_x()-5, get_position_y()+get_image()->get_height()-16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()/2, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+get_image()->get_height()-16) )
+ return true;
+ break;
+ case 3:
+ if ( is_other_connection_area( get_position_x()+16, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+get_image()->get_height()/2) &&
+ is_other_connection_area( get_position_x()+16, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ }
+ return false;
+}
+
+bool Union::is_connection_area(int _a, int _b)
+{
+ switch ( imgActual) {
+ case 0: if ( ((_a <= x+10) && (_a > x+1) && (_b<= y + 22) && (_b >= y+10)) ||
+ ((_a <= x+image->get_width()-1) && (_a >= x+image->get_width()-10)&&(_b <= y+22) && (_b >= y+10)) ||
+ ((_a <= x+image->get_width()/2 + 5)&&( _a>= x+image->get_width()/2 - 5) && (_b<=y+image->get_height()-1)&&(_b >= y+image->get_height()-10)) )
+ return true;
+ case 1: if ( ((_a <= x+image->get_width()-10) && (_a >= x+image->get_width() -22) && (_b<= y + 10) && (_b > y )) ||
+ ((_a <= x +10) && (_a > x )&&(_b <= y+image->get_height()/2+5 ) && (_b >= y+image->get_height()/2-5)) ||
+ ((_a <= x+image->get_width() - 10)&&( _a>= x+image->get_width()-22) && (_b<=y+image->get_height()-1)&&(_b >= y+image->get_height()-10)) )
+ return true;
+ case 2: if ( ((_a <= x+10) && (_a > x) && (_b<= y+image->get_height()-10) && (_b >= y+image->get_height()-22)) ||
+ ((_a <= x+image->get_width()-1) && (_a >= x+image->get_width()-10)&&(_b <= y+image->get_height()-10) && (_b >= y+image->get_height()-22)) ||
+ ((_a <= x+image->get_width()/2 + 5)&&( _a>= x+image->get_width()/2 - 5) && (_b<=y+10)&&(_b > y)) )
+ return true;
+ case 3: if ( ((_a <= x+22) && (_a >= x+10) && (_b<= y + 10) && (_b > y )) ||
+ ((_a <= x+22) && (_a >= x+10 )&&(_b <= y+image->get_height()-1 ) && (_b >= y+image->get_height()-10)) ||
+ ((_a <= x+image->get_width() -1)&&( _a>= x+image->get_width()-10) && (_b<=y+image->get_height()/2+5)&&(_b >= y+image->get_height()/2-5)) )
+ return true;
+ }
+ return false;
+}