3 Surfacing Glass
1. Make sure VIPER is opened and set off to the side of the Surface Editor so you
can see your changes in real time. You can press F7 to open it.
With the Ball_1 surface still selected as the current surface in the Surface Editor,
go down the list of options and set each one accordingly.
2. Make sure that the value of Luminosity (the option just underneath Surface
Color) is 0.
Luminosity is great for objects that are self-illuminating, such as a lightbulb, candle
flame, or laser beam. Note though that this does not make your surface cast
light unless radiosity is applied, under the Global Illumination tab. This is in the
Render Globals panel on the Render tab.
3. Set the value of Diffuse to roughly 60% to tell the glass surface to accept 60% of
the light in the scene.
The Diffuse value tells your surface what amount of light to pick up from the
scene. For example, if you set this value to 0, your surface would be completely
black. Although you want the glass to be black, you also want it to have some
sheen and reflections. A 0 Diffuse value renders a black hole??”nothing appears
at all.
4. Set the value of Specularity to 90%.
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