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# Biped Controllers

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The Biped controller, referred to as "<biped_ctrl>" in this documentation, is called the Biped Vertical_Horizontal_Turn(Body):Matrix3 Controller. This is sometimes also called the body controller because it is equivalent to the Biped’s.transform.controller.

The Biped footsteps have a controller. It is referred to as "<footsteps_ctrl>" in this documentation. See Biped Footsteps for details regarding the FootSteps:Matrix3 Controller.

Individual Biped body part objects and the Vertical, Horizontal, and Turning tracks of theBiped Vertical Horizontal Turn(Body):Matrix3_Controller use the Biped Slave Controller. This type of controller is attached to the transform track.

In addition, a new Biped SubAnim Controller has been introduced in character studio 4.

#### See Also

- Biped Vertical_Horizontal_Turn(Body):Matrix3 Controller

- Biped Slave Controller

- Biped SubAnim Controller

- Biped MAXScript Extensions