31 For Ray Trace
Reflections to work for a surface,
you must tell LightWave??™s renderer
to calculate them.
Figure 3.32 The Ball_1 surface is sort of looking like
glass, but not quite.There??™s a problem with the surface!
surface changes to the Ball_1 surface, but for some reason, it??™s not quite right. If
you look carefully, you can see right through the glass ball. You can see the hot
spots from the specularity and glossiness, and even though you have a transparent
surface set for the glass, it is still casting a shadow. There??™s one more thing to set to
make this look more like glass.
13. Make sure the Ball_1 surface is still selected in the Surface Editor, and back on the
Basic tab, set Refraction to 1.33. This tells the rays of light to bend, or distort, as they
pass through the transparent surface. 1.33 is a general value often used for glass.
14. On the Render tab, back in the Render Globals panel, make sure that the Ray
Trace Refraction option is selected. Press F9 again to render the current frame.
The result is shown in Figure 3.33.
Figure 3.33 For glass to look like glass, light needs to refract.With ray traced refraction
turned on in the Render Globals panel, and a refraction level of 1.
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