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name: SlidingBallConstraint
type: class
memory_category: BaseParts
summary: |
  The base class for constraints that allow their attachments to slide along an
  axis but not rotate.
description: |
  **SlidingBallConstraint** is the base class for constraints that allow their
  attachments to slide along an axis but not rotate, including
  `Class.PrismaticConstraint` and `Class.CylindricalConstraint`. This constrains
  the attachments so that their **X** axes are collinear but pointing in
  opposite directions. It also constrains the attachments so that their **Y**
  axes are parallel.

  When configuring this constraint, it may be helpful to study
  [Roblox Units](../../../physics/units.md) to understand how Roblox units
  compare to metric units.

  #### Linear Power

  If this constraint's `Class.SlidingBallConstraint|ActuatorType` is set to
  `Enum.ActuatorType|Motor`, it attempts to translate the attachments with the
  goal of reaching `Class.SlidingBallConstraint|Velocity`. You can further
  control this translation through both
  `Class.SlidingBallConstraint|MotorMaxAcceleration` and
  `Class.SlidingBallConstraint|MotorMaxForce`.

  If this constraint's `Class.SlidingBallConstraint|ActuatorType` is set to
  `Enum.ActuatorType|Servo`, it attempts to translate the attachments to a set
  separation specified by `Class.SlidingBallConstraint|TargetPosition`. This
  translation is controlled by `Class.SlidingBallConstraint|Speed`,
  `Class.SlidingBallConstraint|LinearResponsiveness`, and
  `Class.SlidingBallConstraint|ServoMaxForce`.

  #### Limits

  You can set **limits** to restrict this constraint's sliding range. Enabling
  the `Class.SlidingBallConstraint|LimitsEnabled` property exposes the
  `Class.SlidingBallConstraint|LowerLimit` and
  `Class.SlidingBallConstraint|UpperLimit` values, as well as
  `Class.SlidingBallConstraint|Restitution` which defines the elasticity of the
  attachments when they reach either limit.
code_samples: []
inherits:
  - Constraint
descendants:
  - CylindricalConstraint
  - PrismaticConstraint
tags:
  - NotCreatable
deprecation_message: ''
properties:
  - name: SlidingBallConstraint.ActuatorType
    summary: |
      Sets whether the translation of the `Class.SlidingBallConstraint` is
      actuated and, if so, what kind of actuation.
    description: |
      Sets whether the translation of the `Class.SlidingBallConstraint` is
      actuated and, if so, what kind of actuation.

      - If `Class.SlidingBallConstraint|ActuatorType` is set to
        `Enum.ActuatorType|None`, the joint can slide freely.

      - If `Class.SlidingBallConstraint|ActuatorType` is set to
        `Enum.ActuatorType|Motor`, it attempts to translate the attachments with
        the goal of reaching `Class.SlidingBallConstraint|Velocity`. You can
        further control this translation through both
        `Class.SlidingBallConstraint|MotorMaxAcceleration` and
        `Class.SlidingBallConstraint|MotorMaxForce`.

      - If this constraint's `Class.SlidingBallConstraint|ActuatorType` is set
        to `Enum.ActuatorType|Servo`, it attempts to translate the attachments
        to a set separation specified by
        `Class.SlidingBallConstraint|TargetPosition`. This translation is
        controlled by `Class.SlidingBallConstraint|Speed`,
        `Class.SlidingBallConstraint|LinearResponsiveness`, and
        `Class.SlidingBallConstraint|ServoMaxForce`.
    code_samples: []
    type: ActuatorType
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Slider
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.CurrentPosition
    summary: |
      The current offset between the constraint's
      `Class.Attachment|Attachments`.
    description: |
      The current offset between the constraint's
      `Class.Attachment|Attachments`.
    code_samples: []
    type: float
    tags:
      - ReadOnly
      - NotReplicated
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Derived
    serialization:
      can_load: false
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.LimitsEnabled
    summary: |
      Sets whether the `Class.SlidingBallConstraint` will limit the range of
      translation.
    description: |
      Sets whether the `Class.SlidingBallConstraint` will limit the range of
      translation. If true, this property exposes the
      `Class.SlidingBallConstraint|LowerLimit` and
      `Class.SlidingBallConstraint|UpperLimit` values, as well as
      `Class.SlidingBallConstraint|Restitution` which defines the elasticity of
      the attachments when they reach either limit.
    code_samples: []
    type: boolean
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Slider
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.LinearResponsiveness
    summary: |
      Specifies the "sharpness" of the linear servo motor in reaching the
      `Class.SlidingBallConstraint.TargetPosition|TargetPosition`.
    description: |
      Specifies the "sharpness" of the linear servo motor in reaching the
      `Class.SlidingBallConstraint.TargetPosition|TargetPosition` when the
      derived classes' actuator type is set to `Enum.ActuatorType|Servo`. Larger
      values correspond to faster a response and smaller values results in more
      damping and a slower response.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Servo
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.LowerLimit
    summary: |
      The lower positional limit along the **X** axis of
      `Class.Constraint.Attachment0|Attachment0` if
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is true.
    description: |
      The lower positional limit along the **X** axis of
      `Class.Constraint.Attachment0|Attachment0` if
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is true.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Limits
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.MotorMaxAcceleration
    summary: |
      The constraint's maximum acceleration when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor` as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Velocity|Velocity`.
    description: |
      The constraint's maximum acceleration when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor`, as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Velocity|Velocity`.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Motor
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.MotorMaxForce
    summary: |
      The constraint's maximum force when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor`, as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Velocity|Velocity`.
    description: |
      The constraint's maximum force when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor`, as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Velocity|Velocity`.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Motor
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.Restitution
    summary: |
      The elasticity of the constraint's `Class.Attachment|Attachments` when
      they reach the end of the range specified by
      `Class.SlidingBallConstraint.UpperLimit|UpperLimit` and
      `Class.SlidingBallConstraint.LowerLimit|LowerLimit`, assuming
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is set to true.
    description: |
      The elasticity of the constraint's `Class.Attachment|Attachments` when
      they reach the end of the range specified by
      `Class.SlidingBallConstraint.UpperLimit|UpperLimit` and
      `Class.SlidingBallConstraint.LowerLimit|LowerLimit`, assuming
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is set to true.
      The valid range is between 0–1.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Limits
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.ServoMaxForce
    summary: |
      The constraint's maximum force when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo`, as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Speed|Speed`.
    description: |
      The constraint's maximum force when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo`, as the constraint attempts to reach its desired
      `Class.SlidingBallConstraint.Speed|Speed`.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Servo
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.Size
    summary: |
      The constraint's visualized size.
    description: |
      The constraint's visualized size.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Appearance
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.SoftlockServoUponReachingTarget
    summary: ''
    description: ''
    code_samples: []
    type: boolean
    tags:
      - Deprecated
    deprecation_message: |
      This property should not be used in new work.
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Servo
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.Speed
    summary: |
      The constraint's desired speed when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo`, as the constraint translates towards its
      `Class.SlidingBallConstraint.TargetPosition|TargetPosition`. Measured in
      studs per second.
    description: |
      The constraint's desired speed when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo`, as the constraint translates towards its
      `Class.SlidingBallConstraint.TargetPosition|TargetPosition`. Measured in
      studs per second.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Servo
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.TargetPosition
    summary: |
      The constraint's attempted target position when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo`. Measured in studs.
    description: |
      The constraint's attempted target position when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Servo` Measured in studs.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Servo
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.UpperLimit
    summary: |
      The upper positional limit along the **X** axis of
      `Class.Constraint.Attachment0|Attachment0` if
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is true.
    description: |
      The upper positional limit along the **X** axis of
      `Class.Constraint.Attachment0|Attachment0` if
      `Class.SlidingBallConstraint.LimitsEnabled|LimitsEnabled` is true.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Limits
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
  - name: SlidingBallConstraint.Velocity
    summary: |
      The constraint's attempted velocity when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor`. Measured in studs per second.
    description: |
      The constraint's attempted velocity when
      `Class.SlidingBallConstraint.ActuatorType|ActuatorType` is set to
      `Enum.ActuatorType|Motor`. Measured in studs per second.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Motor
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Physics
methods: []
events: []
callbacks: []