Graphics Programs Reference
In-Depth Information
Graph editor window
Key frame added
Green line at frame 41
Figure 9.25
Graph editor window
dow (Figure 9.26). By
moving (scrubbing) the
green line in the graph
editor window back to frame 1, you will see the wind strength
alter in the 3D window. Move the green line back to frame 1. With
your cursor in the 3D window, press Alt + the A key and you will
see the wind strength animated.
This method shows you the manual insertion of key frames.
To make life easier, there is an automatic insertion of key frames
method. Go to frame 41 (you can start where you like but let's build
on what we already have). In the timeline window at the bottom of
the screen, click on the red button next to where it says “No Sync”
(Figure 9.27). Move the green line along the timeline and change
the “Strength” value. A third key frame is added in the graph edi-
tor window. Repeat this a few times, increasing and decreasing the
strength value (Figure 9.28). By scrubbing through the animation,
you see the wind strength animated in the 3D window. Move the
green line back to frame 1 and press Alt + the A key and play the
animation.
With the wind strength animated, you can direct it as particles or
soft body objects, which influences how it behaves in an animation.
Figure 9.24
Second key
First key
Figure 9.26
Click on the
red button.
Timeline
window
Figure 9.27
 
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