Re: [GD-General] GUI Design

[Jason M. <jma...@li...>]

Yeah I would recommend using values between 0.0 and 1.0 as a percentage of
the width or height of the screen like you said, you can convert to actual
screen coordinates by just multiplying the the screen width or height then.

Another option is to design the GUI layout in a fixed resolution and then to
convert them into a different resolution apply a scaling factor.  Say you
have a point (x,y) in 640x480 layout and your screen is in resolution WxH,
then to find the point (x',y') in screen space:

x' = x * (W / 640);
y' = y * (H / 480);

-Jason

----- Original Message -----
From: "Chris Brodie" <Chr...@ma...>
To: <gam...@li...>
Sent: Wednesday, January 22, 2003 4:14 PM
Subject: [GD-General] GUI Design


> I've been building a GUI for my game but from day 1 have had a design
issue I've been ignoring. From the beginning I've coded the coordinate
system to OpenGL's bottom left origin. This is a minor pain as I'm the only
one who needs to worry about the coordinates in the menu xml files (for
now).
>
> The problem however is when I resize the screen everything remains
squished in the bottom left corner of the screen. The only ay I can think of
solving the problem so it looks 'normal' is to provide some kind of virtual
scaling system that the menu is designed against that is then translated in
to screen coordinates. For example I could use something simple like 100%
equalling the width of the screen, so a box might be 20% wide 15% high at
position 5%,5%.
>
> How have you guys solved this problem? My solution presented seems like
it'll add a whole lot more math to the GUI to do all the translations for
the virtual screen space.
>
> Thoughts?
>
> Chris Brodie
>
>
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