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Chapter 21: Understanding Animation and Keyframes



                               4. Click the Select and Rotate button on the main toolbar, set the reference coordinate system to
                                  Local, and constrain the rotation to the Y-axis. Then drag the selected dart in the Front viewport
                                  to rotate it about its local Y-axis.
                                  This step also sets a key in the Track Bar.
                               5. Select the second dart, and click the Select and Move button again. Right-click the Time Slider to
                                  make the Create Key dialog box appear. Make sure that the check boxes for Position and Rotation
                                  are selected, and click OK.
                                  This step creates a key that keeps the second dart from moving before it’s ready.
                               6. With the second dart still selected, drag the Time Slider to frame 50 and move the dart to the
                                  dartboard as shown in Step 3. Then repeat Step 4 to set the rotation key for the second dart.
                               7. Repeat Steps 3, 4, and 5 for the last two darts.
                               8. Click the Auto Key button (or press the N key) again to disable animation mode, maximize the
                                  Perspective viewport, and click the Play Animation button to see the animation. Figure 21.13
                                  shows the darts as they’re flying toward the dartboard.


                                   FIGURE 21.13
                                  One frame of the dart animation


































                           Animating lights
                           The process for animating lights includes many of the same techniques as those for animating cameras. For
                           moving lights, use a Free Spot light or attach a Target Spot light to a Dummy object. You can also use the
                           Look At and Path controllers with lights.

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           30_617779-ch21.indd   585                                                                     6/30/10   4:26 PM
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