//this method uses vector algebra to get the piece of wall ocuppied by an opening
private Wall PieceOfOccupiedWall(Opening anOpening, Wall itsWall)
{
float opLength = anOpening.Length();
Point beginning = itsWall.Beginning();
Point end = itsWall.End();
Point positiveVector = beginning - end;
Point negativeVector = end - beginning;
Point beginningOfPiece = anOpening.GetPosition().PointInSameLineAtSomeDistance(negativeVector, opLength / 2);
Point endOfPiece = anOpening.GetPosition().PointInSameLineAtSomeDistance(positiveVector, opLength / 2);
Wall piece = new Wall(beginningOfPiece, endOfPiece);
return(piece);
}
public override bool Equals(object obj)
{
bool areEqual;
if (obj == null)
{
areEqual = false;
}
else
{
Opening otherOpening = (Opening)obj;
areEqual = position.Equals(otherOpening.GetPosition());
}
return(areEqual);
}