[AddComponentMenu("XR/Lazy Follow", 22)]
[HelpURL("https://docs.unity3d.com/Packages/com.unity.xr.interaction.toolkit@3.0/api/UnityEngine.XR.Interaction.Toolkit.UI.LazyFollow.html")]
public class LazyFollow : MonoBehaviour

Properties

applyTargetInLocalSpace

If true, apply the target offset in local space. If false, apply the target offset in world space.

Declaration

public bool applyTargetInLocalSpace { get; set; }

Property Value

Type	Description
bool

followInLocalSpace

If true, read the local transform of the target to lazy follow, otherwise read the world transform. If using look at rotation follow modes, only world-space follow is supported.

Declaration

public bool followInLocalSpace { get; set; }

Property Value

Type	Description
bool

maxAngleAllowed

Maximum angle offset (in degrees) from target before lazy follow targets, when time threshold is reached

Declaration

public float maxAngleAllowed { get; set; }

Property Value

Type	Description
float

maxDistanceAllowed

Maximum distance from target before lazy follow targets, when time threshold is reached.

Declaration

public float maxDistanceAllowed { get; set; }

Property Value

Type	Description
float

minAngleAllowed

Minimum angle offset (in degrees) from target before which lazy follow starts.

Declaration

public float minAngleAllowed { get; set; }

Property Value

Type	Description
float

minDistanceAllowed

Minimum distance from target before which a follow lazy follow starts.

Declaration

public float minDistanceAllowed { get; set; }

Property Value

Type	Description
float

movementSpeed

Movement speed used when smoothing to new target. Lower values mean the lazy follow lags further behind the target.

Declaration

public float movementSpeed { get; set; }

Property Value

Type	Description
float

movementSpeedVariancePercentage

Adjust movement speed based on distance from the target using a tolerance percentage. 0% for constant speed. For example, with a variance of 25% (0.25), and a speed of 6, the upper bound is 7.5, which is reached as the target is approached. If the target is far from the object, the speed will trend toward the lower bound, which would be 4.5 in this case.

Declaration

public float movementSpeedVariancePercentage { get; set; }

Property Value

Type	Description
float

positionFollowMode

Determines the follow mode used to determine a new rotation.

Declaration

public LazyFollow.PositionFollowMode positionFollowMode { get; set; }

Property Value

Type	Description
LazyFollow.PositionFollowMode

rotationFollowMode

Determines the follow mode used to determine a new rotation.

Declaration

public LazyFollow.RotationFollowMode rotationFollowMode { get; set; }

Property Value

Type	Description
LazyFollow.RotationFollowMode

snapOnEnable

Snap to target position when this component is enabled.

Declaration

public bool snapOnEnable { get; set; }

Property Value

Type	Description
bool

target

The object being followed. If not set, this will default to the main camera when this component is enabled.

Declaration

public Transform target { get; set; }

Property Value

Type	Description
Transform

targetOffset

The amount to offset the target's position when following. This position is relative/local to the target object.

Declaration

public Vector3 targetOffset { get; set; }

Property Value

Type	Description
Vector3

timeUntilThresholdReachesMaxAngle

Time required to elapse (in seconds) before the max angle offset allowed goes from the min angle offset to the max.

Declaration

public float timeUntilThresholdReachesMaxAngle { get; set; }

Property Value

Type	Description
float

timeUntilThresholdReachesMaxDistance

The time threshold (in seconds) where if max distance is reached the lazy follow capability will not be turned off.

Declaration

public float timeUntilThresholdReachesMaxDistance { get; set; }

Property Value

Type	Description
float

Methods

Awake()

See MonoBehaviour.

Declaration

protected void Awake()

LateUpdate()

See MonoBehaviour.

Declaration

protected void LateUpdate()

OnDestroy()

See MonoBehaviour.

Declaration

protected void OnDestroy()

OnDisable()

See MonoBehaviour.

Declaration

protected void OnDisable()

OnEnable()

See MonoBehaviour.

Declaration

protected void OnEnable()

OnValidate()

See MonoBehaviour.

Declaration

protected void OnValidate()

TryGetThresholdTargetPosition(out Vector3)

Determines if the new target position is within a dynamically determined threshold based on the time since the last update, and outputs the new target position if it meets the threshold.

Declaration

protected virtual bool TryGetThresholdTargetPosition(out Vector3 newTarget)

Parameters

Type	Name	Description
Vector3	newTarget	The output new target position as a Vector3, if within the allowed threshold.

Returns

Type	Description
bool	Returns true if the squared distance between the current and new target positions is within the allowed threshold, false otherwise.

TryGetThresholdTargetRotation(out Quaternion)

Determines if the new target rotation is within a dynamically determined threshold based on the time since the last update, and outputs the new target rotation if it meets the threshold.

Declaration

protected virtual bool TryGetThresholdTargetRotation(out Quaternion newTarget)

Parameters

Type	Name	Description
Quaternion	newTarget	The output new target rotation as a Quaternion, if within the allowed threshold.

Returns

Type	Description
bool	Returns true if the angle difference between the current and new target rotations is within the allowed threshold, false otherwise.