Graphics Programs Reference
In-Depth Information
Figure 9.49
To enter the target, click on the orange
cube then click on “NurbsPath.”
In the properties window “Object Con-
straints” button, click on “Add Constraint” and
select “Follow Path” from the selection menu
(Figure 9.48). In the “Object Constraints” tab
that opens, enter the target as “NurbsPath”
and tick “Follow Curve” (Figure 9.49). The
cube is now positioned at the start of the path.
Deselect the cube and select the path. In the
properties window - “Object Data” button -
“Path Animation” tab, note that “Frames: 100”
and “Evaluation Time: 0.000” (Figure 9.50).
This says that there is a 100-frame animation
with 0.000 as the start position. Right click on
the “Evaluation Time” button and select “Insert
Keyframe.” Note that in the timeline window,
the “Start: 1” and “End: 250” values indicate the
animation duration (i.e., 250 frames).
Click on the “Go to End” button in the
timeline window to locate the timeline cursor
at frame 250 (recall Figure 9.43). In the “Path
Animation” tab, change the “Evaluation Time”
value to 100, which positions the cube at the
Figure 9.50
 
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