Component:LookAt

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CollapseComponent image 

Look At component as seen in the Scene Inspector

Transform math is difficult, so I just use parents to solve my problems

—989onan

Look at is a component that is used to make one slot point to look at another slot via a SwingTwist interpolation. Swing Twist is a concept that is too complicated to explain on this wiki, but essentially constrains the rotation on two axies when rotating to a point, locking it within a range. kind of like a turret.

Be aware where you put this component in your slot hierarchy, as this component wants to be under the same slot (observer) that is looking at your target. If this is not the case, you might expect some local transform logical errors, like objects shaking as it fights its own rotation.

Fields

Fields Collapse

Name	Type	Description
persistent	Bool	Determines whether or not this item will be saved to the server.
UpdateOrder	Int	Controls the order in which this component is updated.
Enabled	Bool	Controls whether or not this component is enabled. Some components stop their functionality when this field is disabled, but some don't.
Target	Slot	The slot to try to look at.
TargetPoint	Float3	The 3D point to look at when Target is not provided.
TargetPointSpace	direct RootSpace	The Coordinate space of TargetPoint
Up	Float3	The up axis of this slot, usually best to keep at (0,1,0)
RotationOffset	FloatQ	How much to rotate the slot by after applying the look at (quaternion multiplying)
SwingReference	Float3	The axis to apply "Swing" rotation to.
TwistReference	Float3	The axis to apply "Twist" rotation to.
MaxSwing	Float	The maximum (pos/neg) amount that the slot can rotate on SwingReference
MaxTwist	Float	The maximum (pos/neg) amount that the slot can rotate on TwistReference
_target	field drive of FloatQ	The field to apply the rotation result to.

Sync Delegates

Triggers Collapse

Method Name	Method type and Arguments.	Is the method hidden?	Description
SetReferenceAxis:ButtonEventHandler	ButtonEventHandler	✓	Called when the set reference axis button is touched.

Usage

Attach the component to a slot and provide a Target or TargetPoint to make it look at or point at a position. It is recommended to put a slot under this component's slot to apply offsets to the rotation.

Examples

This can be used to make a piston base and rod look at each other to stay connected when the piston moves. this can also be used to make a tracking system.

See Also

• Component:AutoLookAtUser