public override bool TryGetMember(GetMemberBinder binder, out object result)
{
var array = binder.Name.Select(c =>
{
double value;
if (_members.TryGetValue(c, out value))
{
return(value);
}
throw new Exception(String.Format("Member Does Not Exist: {0}", c));
}).ToArray();
switch (binder.Name.Length)
{
case 4:
result = new Vect4(array);
break;
case 3:
result = new Vect3(array);
break;
case 2:
result = new Vect2(array);
break;
case 1:
result = array[0];
break;
default:
throw new Exception("Invalid Length Swizzle");
}
return(true);
}
public Swizzle(Vect4 v)
{
_members.Add('X', v.X);
_members.Add('Y', v.Y);
_members.Add('Z', v.Z);
_members.Add('W', v.W);
}
public Vect4 ExteriorProduct(Vect4 v)
{
throw new NotImplementedException();
}
public double DotProduct(Vect4 v)
{
return(X * v.X + Y * v.Y + Z * v.Z + W * v.W);
}
public Vect4 Lerp(Vect4 end, double t)
{
return((1 - t) * this + t * end);
}
protected bool Equals(Vect4 other)
{
return(X.NearlyEquals(other.X) && Y.NearlyEquals(other.Y) && Z.NearlyEquals(other.Z) && W.NearlyEquals(other.W));
}