On 2011-02-27 03:03, Warp wrote:
> Specular reflection shouldn't be confused with specular highlighting,
> which is something else completely.
Ahhh ok, this is where most of my confusion on the matter was.
> I think you are confusing the brightest part of diffuse reflection with
> the brightest part of a specular highlight. They are not at the same place.
> The former is at the point where the surface is directly facing the light
> source (and it does not depend on the position of the camera), while the
> latter is where the angle between the normal vector of the surface and
> the light source is the same as the angle between the normal vector and
> the camera (which means that the location of the highlight depends on the
> location of the camera, and thus moves if the camera is moved).
...and this, which I'm finding hard to visualise, somehow. Rather, I
/can/, but understanding of what's happening in regards to
light/object/camera relative loci is escaping me. An animation would do
wonders (and not just for me, perhaps?)...
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