Nie działająca kolizja

short int Kolizja( short int x1, short int x2,
short int y1, short int y2,
short int width1, short int width2,
short int height1, short int height2 )
{
    if( x1 >= x2 && x1 <= x2 + width2 && y1 >= y2 && y1 <= y2 + height2 ) return 1;
    else if( x1 + width1 >= x2 && x1 + width1 <= x2 + width2 && y1 >= y2 && y1 <= y2 + height2 ) return 2;
    else if( x1 + width1 >= x2 && x1 + width1 <= x2 + width2 && y1 + height1 >= y2 && y1 + height1 <= y2 + height2 ) return 3;
    else if( x1 >= x2 && x1 <= x2 + width2 && y1 + height1 >= y2 && y1 + height1 <= y2 + height2 ) return 4;
    else return 0;
   
}