It's the center of your model. This depends on your models vertices, and
whether you're changing the position of your model using glTranslate.
For example, if you use glTranslatef to translate to an other point like
this(you have to specify the variable ExtraDistance yourself):
glTranslatef(ExtraDistance.[0], ExtraDistance.[1], ExtraDistance.[2]);
And if you have both the smallest and the biggest vertices of a model(you
have to fetch them your self by comparing every pointL element from the
struct Lib3dsMesh using the min() and max() function) you can calculate it
like this:
vec3 PosModel;
for(int i = 0;i < 3;i++)
PosModel.[0] = (MaxVertex.[i] - MinVertex.[i])/2 + MinVertex.[i] +
ExtraDistance.[i];
I hope this makes sense :-)
Hylke
From: "sana anwar" <[EMAIL PROTECTED]>
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Subject: Re: [Lib3ds-devel] zooming priblem
Date: Wed, 31 May 2006 10:37:03 +0500
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FILETIME=[629B5E60:01C68474]
Hi,
sorry for replying to late,but i m not on work.plz tell me PosModel is the
object of which lib3ds structure.
On 5/25/06, Hylke Donker <[EMAIL PROTECTED]> wrote:
I forgot the minus :-)
it's:
glTranslatef(PosModel.x*(1.0-1.0/ZoomFactor)*-1.0,
PosModel.y*(1.0-1.0/ZoomFactor)*-1.0, PosModel.z*(1.0-1.0/ZoomFactor)*1.0
);
Hylke
From: "Hylke Donker" <[EMAIL PROTECTED]>
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Subject: RE: [Lib3ds-devel] zooming priblem
Date: Thu, 25 May 2006 15:43:35 +0000
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If it's a factor, you can do like this:
glPushMatrix();
glTranslatef(PosModel.x*(1-1/ZoomFactor), PosModel.y*(1-1/ZoomFactor),
PosModel.z*(1-1/ZoomFactor));
[do rendering or whatever]
glPopMatrix();
From: "sana anwar" <[EMAIL PROTECTED]>
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FILETIME=[5C71BA30:01C67FF5]
r u saying that i can use the zoom factor in translation coordinates
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