private ConstVector ConstAdd(
int lineNo,
IEnumerable<ConstAnchor> defs,
string lhsName,
ConstVector rhs,
bool plus)
{
ConstAnchor lhsAnchor = defs.FirstOrDefault(a => a.Name == lhsName);
if (lhsAnchor == null) {
throw new Exception(string.Format(
"Line {0}: Anchor {1} not yet defined",
lineNo, lhsName));
}
ConstVector lhs = lhsAnchor.Location;
if (lhs.Is2D() && rhs.Is2D()) {
return plus
? new ConstVector(lhs.X + rhs.X, lhs.Y + rhs.Y)
: new ConstVector(lhs.X - rhs.X, lhs.Y - rhs.Y);
} else {
return plus
? new ConstVector(lhs.X + rhs.X, lhs.Y + rhs.Y, lhs.Z + rhs.Z)
: new ConstVector(lhs.X - rhs.X, lhs.Y - rhs.Y, lhs.Z - rhs.Z);
}
}
public bool Equals(ConstVector obj)
{
return Equals((object)obj);
}
public ConstAnchor(string name, ConstVector location)
{
_name = name;
_location = location;
}
