Graphics Programs Reference
In-Depth Information
Figure 10.48
It's getting late; you
should get home
before nightfall.
12. Rotate the sunDirection even more so that it's at a RotateY of about 15. It's now dark,
and you can barely make out the wagon. See Figure 10.49. Time to go home before
your mom gets mad. Remember, you can adjust the overall brightness of the scene by
adjusting the mia_physicalsky1 node attributes, as you did in steps 6 and 7.
You can add lights to the scene as well; you aren't limited to the system's results. For
example, Figure 10.50 shows a render of the wagon with the Sun beginning to rise behind it,
making the foreground a bit dark. Figure 10.51 shows the same render, but with an added
Directional light (with an Intensity of just 0.25) pointing toward the front of the wagon.
This helps define the front of the wagon, hinting that there is another light source, per-
haps a porch light behind the camera.
Figure 10.49
Ooh, it's dark—Mom's gonna be mad.
Figure 10.50
The sun also rises!
