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General-Purpose Controllers

The following controllers are general purpose in that you can apply them to parameters of different data types, yet they behave in essentially the same way for those different parameters.

Within certain general-purpose controllers there may be variations according to the data type used by a parameter.

See Animation Controllers for detailed descriptions of controller properties.

Bezier Controllers

Bezier controllers interpolate between keys using an adjustable spline curve; they are the default controller for most parameters.

Use Bezier controllers to provide fully adjustable interpolation between keys. Bezier is the only controller that supports the following:

  • Adjustable tangent handles.

  • Step tangents for abrupt changes from one key to the next.

  • Constant velocity control.

TCB Controllers

TCB controllers produce curve-based animation like Bezier controllers. However, TCB controllers use fields to adjust the Tension, Continuity, and Bias of the animation.

Use TCB controllers when you want adjustable, curved interpolation between keys, and you want to use TCB style controls.

Linear Controllers

Linear controllers interpolate between animation keys by evenly dividing the change from one key value to the next by the amount of time between the keys.

Use Linear controllers when you want motion to have a rigid, mechanical look.

Noise Controllers

Noise controllers produce random, fractal-based animation over a range of frames. Noise controllers are parametric; they do not use keys.

Noise controllers have many possible uses; as in the following examples:

  • Use Noise whenever you need completely random animation around a given value. For example, use a Noise Rotation controller when you want an object to wobble in place. A common use for a noise controller is the creation of camera shake.

  • Use Noise in a List controller to apply variations to the result of another controller. For example, use a List controller to combine Noise Position with Bezier Position. The Bezier controller moves the object while the Noise controller makes the object shake and stray a little from the trajectory.

XYZ Controllers

XYZ controllers such as Euler XYZ and Position XYZ are specifically designed so that you have three seperate curves, one for each axis. This allows you to independently view and control the curves individually. This has advantages over controllers like TCB that force you to work with a single curve when trying to manipulate a keyframe. XYZ controllers are now the default for new animation created in this release of the software.

Audio Controllers

The Audio controller converts the amplitude of a recorded sound file or real-time sound wave into values that can be used by an animated parameter.

Use the Audio controller to synchronize parameter values with a sound file. For example, use an Audio controller for a Multiplier Curve to scale a parameter in sync with a sound.


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