Game Development Reference
In-Depth Information
FIGURE 6.39
Create an angry, shouting face.
4.
While editing the face, look out for any areas that don't deform correctly. In partic-
ular, look for polygons that appear concave when adjusted.
Themainfacelooksokay,butthelipsmaycauseaproblemwhenanimated.Atthemoment
theupperandlowerlipsmeetinthecorners;theresultingpinchisunnaturalandmaycause
some rendering artifacts (
Figure 6.40
, left). To prevent this, we want the lips to form a
complete loop, as shown in
Figure 6.40
on the right.
