On 2011-02-26 12:18, Warp wrote:
> Radiosity only does diffuse reflection, not specular (ie. mirror)
> reflection, which is what photon mapping does. I got the impression
> that the original poster wanted the light to reflect from a reflective
> (mirror-like) object.
I find myself confused as to the exact distinction between diffuse and
specular reflectivity. All objects are mirror-like and specular;
diffuse materials are just this reflection spread out according to the
unevenness of the surface texture. If you tune radiosity settings to a
count of one and a very low error bound you can see that this is what
radiosity is doing. The bright-spot shine of a specular highlight is
simply the result of a light source being so much brighter than
everything it's illuminating. Yes?
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