🚀 go-pugleaf

>> >> >Actually, you only need 2 points to define a plane: a point on the 
plane and
>> >> >a normal vector.
>> >> 
>> >> Sorry to quibble, but...
>> >> 
>> >>    A VECTOR IS NOT A POINT!!!!
>> >> 
>> >> Now back to our regular program.
>> 
>> >Points are vectors.
>> 
>> I may not be a 3d programmer but I do know that a point is NOT a vector.
>> 
>> Definition of Vector from my Physics book:
>> 	VECTOR: Quantity having both magnitude (size [meaning speed]) and 
direction.
>> 
>> In other words a point is not a vector and a vector is not a point.  Also, 
two
>> points do not necessarily make a vector.  A vector is a point that *points*
>> somewhere
>But a point has a magnitude and direction. Point x,y,z has a magnitude 
>of sqrt(x^2+y^2+z^2) and a direction of ( x i y j z k)/magnitude where 
>i,j,k are the unit vectors. Remember when you define a point in space you 
>are referencing it to some reference point.  
>
> David Matiskella matiskel@aa.washington.edu
>
>
wrong a point is just that a point.  the values given a point are completely 
arbitraray based on your origin I can aurgue that a point at 0,0,0 is the same 
as a point you call 1,2,3 your reference point does not give a point any 
magnitude.

matt