RE: [Algorithms] Creating the world matrix

[Aldo . <al...@ho...>]

Thank you, Steve!

Aldo


>From: Steve Wood <Ste...@im...>
>Reply-To: gda...@li...
>To: "'gda...@li...'"  
><gda...@li...>
>Subject: RE: [Algorithms] Creating the world matrix
>Date: Mon, 17 Jul 2000 09:47:51 -0700
>
> > From: Aldo . [mailto:al...@ho...]
> >
> > I'm looking for a fast way to create the world matrix from
> > the values of pitch, yaw, roll and position(and scaling factor, 
>perhaps),
> > without using a matrix operation for each value.
> > I would like to avoid do the folowing
> >
> > WorldMatrix = MatrixIdentity();
> >
> > MatrixScale(WorldMatrix, scale);
> >
> > MatrixTranslate(WorldMatrix, position);
> >
> > MatrixRotateX(WorldMatrix, pitch);
> > MatrixRotateY(WorldMatrix, yaw);
> > MatrixRotateZ(WorldMatrix, roll);
> >
> > SetWorldMatrix(WorldMatrix);
> >
>
>In the DirectX help Index select: 3-D Transformations.  It has details on
>the matrices used for each method you list. If you want to hard code it 
>into
>your app to eliminate un-necessary operations then you'll want to break 
>each
>transform operation down to it's components and do the math.
>
>R&R
>
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