I never seem to be able to get my lighting in Java 3D just right.
I have a bunch of polyhedra, all different colors. When I rotate
them around, the polyhedra faces which are perpendicular to my viewing
direction turns white. Too much lighting or something. Yet the over all
appearance of the polyhedra is way too dark.
I have an AmbientLight set to
lightA.setColor(new Color3f(0.6f, 0.6f, 0.6f));
and a directional light always in the direction of viewing.
lightD1.setColor(new Color3f(0.75f, 0.75f, 0.75f));
I set my appearance and material properties for the polyhedra
theMaterial.setDiffuseColor(0.0f, 0.80f, 0.0f);
theMaterial.setLightingEnable(true);
I need to know how to set the material properties and the lighting
properties to have bright, sharp, polyhedra without "white out".
Is there a program that lets you try different lighting settings?
Are there general rules of thumb for lighting? I've read the Tutorial
several times. But I never get a good "feel" for the right parameter
settings.
And there are several other material parameters that could be set like
setAmbientColor, setEmissiveColor, setShininess, setSpecularColor
Too many to play with. Does anyone how some settings already figured
out that I could try??
There should be a program that lets you move knobs to change all these
parameters
so you can see the effects and to help you get the lighting you want
quickly.
Bob Gray
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