Graphics Programs Reference
In-Depth Information
Now for the ramp (Specular panel):
F Interpolaion method: Ease (just below the IOR value)
F First color stop:
Posiion: 0
Color: 1 Red, 0 Green, 0.37 Blue
Alpha: 0
F Second color stop:
Posiion: 0.106
Color: 1 Red, 0 Green, 0.37 Blue
Alpha: 1
F Third color stop (click on the Add buton above the ramp):
Posiion: 0.84
Color: 0.1 Red, 0.16 Green, 0.52 Blue
Alpha: 1
F Input: Result
F Blend: Muliply
What we are controlling here is the color that will be shown at each point of the
specular "disc"; the interpolaion method works great to get nice blending for strong
colors like the ones used in the ramp color stops. The three ramp color stops are just
indicaing that the very center of the specular disc will be blue, then will blend into
a strong pink color and then fade completely as indicated by the alpha of the first
color stop. The input seing is necessary for the ramp to mold correctly to the form
of the specularity, no mater the angle between the camera and the light causing it.
Let's coninue adjusing the shader seings:
F Shading panel:
Emit: 0.2
Ambient: 0
F Transparency panel: Enabled
Method: Raytrace
Alpha: 0.345
Fresnel: 3.6
Blend: 1.23
IOR: 1.05
 
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