Is there a way to make an object actually render white without setting material type to constant and color to white? Whenever I get the lighting looking nice everything I need to be white is more like 50% gray.... The constant thing is too constant ie no lighting information is represented.
Is the 'diffuse' for the material set all the way up? I think of diffuse as (sort of) representing how much of the pure color of the material will render. For instance, red will look muddy unless the diffuse is pretty high, and it is hard to get a bright fire-engine red without tons of lights unless you have the diffuse jacked all the way up.
That said, diffuse reacts to how much diffuse light is in the scene. If you render with indirect illumination, you can throw out the previous advice - the white will get blown out in areas that should start to show shade unless you move the diffuse DOWN.
My rule - Indirect illumination, use a diffuse of about .75 (and this is fungible depending on the specific material) Just lights without indirect or global illumination, set the diffuse to
1.0 - if I want a muddier color, I change the color.
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