Classdefault

BillboardRotationCalculator is used to calculate the quaternion to rotate an object by to align with a new vector along an axis. More specifically, this calculator is used along a SceneObject's local X/Z-axes and global Y-axis. These calculators only take in vec3's as SceneObject manipulation is handled in BillboardController.

Constructors

constructor

Accessors

axisBufferRadians axisEasing axisEnabled

Methods

getRotation resetRotation

Constructors

constructor

Accessors

axisBufferRadians

  • get axisBufferRadians(): number

  • Returns number

  • set axisBufferRadians(radians): void

  • Parameters

    • radians: number

    Returns void

axisEasing

  • get axisEasing(): number

  • Returns number

  • set axisEasing(easing): void

  • Parameters

    • easing: number

    Returns void

axisEnabled

  • get axisEnabled(): boolean

  • Returns boolean

  • set axisEnabled(enabled): void

  • Parameters

    • enabled: boolean

    Returns void

Methods

getRotation

  • getRotation(axisVector, forwardVector, cameraVector, originVector): quat

  • Parameters

    Returns quat

resetRotation

  • resetRotation(axisVector, forwardVector, cameraVector, originVector): quat

  • Used to snap the target immediately into proper rotation according to configuration.

    Parameters

    • axisVector: vec3

      the vector to rotate about

    • forwardVector: vec3

      the forward vector of the target

    • cameraVector: vec3

      the vector from camera to target

    • originVector: vec3

      the origin of rotation as a reference to ensure proper rotation

    Returns quat

    the rotation about the given axis to align the target's forward vector with the camera.

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