[x3d-public] Gradients in X3D graphics

[John Carlson]

Happy New Year!

I am wondering about gradients in 3D graphics.  I realize CSS and SVG have
gradients.  I am looking for areas to apply “gradient logic” to solids and
liquids, a bit like constructive solid geometry (CSG), but with gradient
solids. I am thinking of looking into three.js for this, since it already
has CSG.

But beyond that, I am looking for ways to model “gradient interfaces” in
X3D, either through gradient lighting, gradient materials, gradient
filters, gradient volume rendering (with logic expressions), etc.

The capstone of this is the idea of gradient time, probably not unlike
slowly becoming aware of reality, or perhaps shifting or precipitating into
a new time period, not time jumping as what is popularized through time
travel sci-fi.

Immediate application areas seem like chemical engineering, food
preparation, and meteorology.

I’ve not really dealt with gradients much except in math, so your patience
is welcome.

I realize this may be extremely difficult to do in X3D with its discrete
time, but perhaps a simulation could be done.

John
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