Page 954 - Kitab3DsMax

Part VIII: Advanced Animation Techniques
5. Select the teapot’s Position track, and click the C key to access the Assign Controller dialog box.
Choose Position List. Under the Position track are now the X, Y, and Z Position tracks and an
Available track. Select the Available track, access the Assign Controller dialog box again, and
choose Noise Position. The default controller should remain the Position XYZ controller, so close
the List Controller dialog box. Click Play.
Note
Remember that the C keyboard shortcut works only if the Keyboard Shortcut Override Toggle button on the main
toolbar is enabled. n
The teapot vibrates the entire animation. You add a multiplier curve to correct the situation.
6. Select the Noise Position track, and choose Curves ➪ Apply-Multiplier Curve. Select the Multiplier
curve track. Assign the first key a value of 0. Change its Out tangent to Stepped so it holds its
value until the next key. Click the Add Keys button, and add a key at frame 50 with a value of 1.
Move the last key to frame 120, and set a value of 0. The Multiplier curve should now look like
the curve in Figure 36.19. Select the Noise Position track.
The noise curve now conforms to the multiplier track.
FIGURE 36.19
The Multiplier curve keeps the Noise track in check.

7. With the Noise Position track still selected, right-click and choose Properties. In the Noise
Position dialog box, set the X and Y Strength to 30, set the Z strength to 20, and check the >0
check box to keep the teapot from going through the floor. Close the dialog box, and click Play.
The animation is much better. Next, you add some noise to the Rotation track.
8. Select the Rotation track, right-click, and choose Assign controller or click the C key to bring up
the Assign Controller dialog box. Select Rotation List, and click OK. Select the Available track,
access the Assign Controller dialog box again, and choose Noise Rotation.
Click Play. Again, the noise is out of control.
9. This time, select the Noise Strength track and add a multiplier curve.
You already have a perfectly good multiplier curve, so you can instance it into the new track.

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