Graphics Reference
In-Depth Information
2. Add an RGB Curves node by pressing Shift+A and choosing Color > RGB Curves. This will enable
you to tweak the contrast and brightness of the factor value going into the Mix node. Connect the Mix
nodetothe RGB Curves node,andconnect the RGB Curves nodetothe Fac connection point onthe Mix
node, as shown in Figure 2-72 .
3. All that remains is to tweak the RGB curve to yield the mix pattern that looks best. To get the correct
black-and-white pattern, reverse the direction of the RGB curve so that it goes from upper left to lower
right,andthenedittheshapeofthecurveitself.Thegentlerthecurve,thesmootherthetransitionbetween
the two materials will be. Points can be added on the curve simply by clicking the LMB and deleted by
clicking the button on the node itself marked with an X .
4. Finally, add a Displace modifier to the object with the settings shown in Figure 2-73 .
5. Type Mix in the Texture field to use the texture you just created to determine the displacement. After
you've done this, set up your lights and take a render. The finished material should look something like
Figure 2-74 , which is reproduced in the color section of the topic.
Figure 2-72 Finished node setup for lava
 
 
 
 
Search WWH ::




Custom Search