Conversion from 3d coords to 2d

[Antonio Orozco]

Ok, here is the deal.

I want to do this.... i have a group of cubes, i want to draw them,
and then rotate, etc,etc. i've already tried DirectX 9 but now i want
to draw the images direct to a picturebox... i know about some
formulas, but i can't find them.... does anybody know how to do
this???

[Robin Tucker]

You have so many options its amazing. Using direct 3d is your best bet of
course because it comes with all the gizmos you need. Otherwise, you will
need to create your own (fairly simple) classes.

You will need:

A matrix class (3x3 or 4x4, prefer 4x4)
A vector class (x, y, z or x, y, z, w)

Then, after rotating/translation/scaling your cubes, you simply multiply
each point by the perspective transform matrix, or more simply, something
like x = x / z, y = y / z (scaled up to fit into the window).

There are literally thousands of tutorials around the net on how to do this.
Perhaps you should google for "3d matrix math", "perspective transform",
"vector matrix multiply".

Good luck.

"Antonio Orozco" <ca**********@hotmail.com> wrote in message
news:c7*************************@posting.google.co m...

Ok, here is the deal.

I want to do this.... i have a group of cubes, i want to draw them,
and then rotate, etc,etc. i've already tried DirectX 9 but now i want
to draw the images direct to a picturebox... i know about some
formulas, but i can't find them.... does anybody know how to do
this???