Hi All

i'm trying to implement one-point perspective viewing.. means that only the z-axis of 
the object is intersecting the view plane. But i'm not sure how to go about it.
The object is located at the origin(0,0,0) and i need to position the view plane 
(viewer) at a position where the the z-axis will intersect the view plane... Lets 
consider that the z-axis of the object is actually parallel to the z-axis of the 
coordinate system (right handed). So if it intersects anyway on the view plane, that 
means it must be perpendicular to the plane right?
so how should i go about finding the position of a point in the view plane that is 
perpendicular to the z-axis in terms of vectors or matrices?

if i want to implement 2-point and 3-point perpective as well, that means that the 
viewer must go through a series of translation and rotation to get to this point..so 
that means to specify this point , it is not suitable to use vectors anymore... then i 
should use matrices right...??

sigh.... i am so confused... please help me.... :)

bye

thanks a million..:)

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