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From: Jon M. Taylor <taylorj@ecs.csus.edu>
To : ggi-develop@eskimo.com
Date: Thu, 20 Aug 1998 19:05:33 -0700 (PDT)
Re: libGGI3D simplicity
On Thu, 20 Aug 1998, Tomas Andrle wrote:
> Most people agreed on a triangle-only lib. But why shouldn't it support, say,
> points?
Using a depth buffer will give you points.
> Do you guys want to draw 10000 particles though putPixel and check the
> visibility yourselves?
You could have the drawing functions render to a depth buffer to
draw those 10000 particles from a set description or an algorithm.
> [I suppose _games_ are what this is about] I don't know
> how many cards support 3d points right now (maybe none)
AFAIK and card that supports a hardware depth buffer (I know Glide
does) supports 3d points.
> What about the fog?
Either use a fogging shader or render to a hardware or software
alpha-buffer.
Jon
---
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