Component image 
AvatarExpressionDriver component as seen in the Scene Inspector
Allows the assignment of the IMouthTrackingSourceComponent to blendshapes.
Fields
| 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. |
DataSource
|
IMouthTrackingSourceComponent | The component that is providing raw mouth tracking data from a physical or virtual device on a machine. |
StrengthMultiplier
|
Float | Determines strength of expressions |
VolumeSource
|
IField`1<Float> | A volume source like a Volume Meter that is used to determine facial tracking better. |
SilenceSource
|
IField`1<Float> | A silence source like the target value of the Silence field on a Direct Viseme Driver
|
ExpressionDrivers
|
list of ExpressionDriver | A list of Expression Drivers that take facial data and drive a float or blendshape with the data. |
ExpressionDriver
| Name | Type | Description |
|---|---|---|
Target
|
field drive of Float | The blendshape or float to drive with this type of expression |
Expression
|
AvatarExpression | The expression to take from the parent AvatarExpressionDriver and drive Target with it.
|
EstimateIfNotTracked
|
bool | Whether to take a guess to this expression's value if it is not tracked |
Min
|
float | The minimum value to drive Target to.
|
Max
|
float | The maximum value to drive Target to.
|
VolumeSupressionStrength
|
float | The amount to reduce the effect on Target when the user is speaking.
|
Expression
The different expressions an ExpressionDriver can have when driving any float value (or blendshapes)
| Name | Value | Description |
|---|---|---|
Smile
|
How much the user is smiling on average with mouth open slightly | |
SmileLeft
|
How much the left lip corner is going up with mouth open slightly | |
SmileRight
|
How much the right lip corner is going up with mouth open slightly | |
SmirkLeft
|
How much the left lip corner is curling, estimated if not present. | |
SmirkRight
|
How much the right lip corner is curling, estimated if not present. | |
Frown
|
How much the user is frowning on average. | |
FrownLeft
|
How much the left lip corner is going down | |
FrownRight
|
How much the right lip corner is going down | |
MouthDimple
|
How much the mouth is squishing inward in a strained frown, estimated if not present. | |
MouthDimpleLeft
|
How much the mouth is squishing inward in a strained frown left side, estimated if not present. | |
MouthDimpleRight
|
How much the mouth is squishing inward in a strained frown right side, estimated if not present. | |
TongueOut
|
How much the user is sticking their tongue out | |
TongueRaise
|
How much the user is curling their tongue upwards and out | |
TongueExtend
|
How much the user is sticking their tongue out 2 | |
TongueLeft
|
How much the user is putting their tongue out to the left | |
TongueRight
|
How much the user is putting their tongue out to the right | |
TongueDown
|
How much the user is putting their tongue out and downwards | |
TongueUp
|
How much the user is putting their tongue out to and upwards | |
TongueRoll
|
How much the user is rolling their tongue like a taco shape. | |
TongueHorizontal
|
How much the tongue is flattening horizontal | |
TongueVertical
|
How much the tongue is squishing vertical | |
TongueUpLeft
|
How much the user is putting their tongue out to the left and up | |
TongueUpRight
|
How much the user is putting their tongue out to the right and up | |
TongueDownLeft
|
How much the user is putting their tongue out to the left and down | |
TongueDownRight
|
How much the user is putting their tongue out to the right and down | |
SmileClosed
|
How much the user is smiling on average, estimated | |
SmileClosedLeft
|
How much the left lip corner is going up, estimated if not present. | |
SmileClosedRight
|
How much the right lip corner is going up, estimated if not present. | |
Grin
|
How much the user is lifting their upper lip while smiling, estimated if not present. | |
GrinLeft
|
How much the user is lifting their upper lip while smiling left side, estimated if not present. | |
GrinRight
|
How much the user is lifting their upper lip while smiling right side, estimated if not present. | |
Angry
|
How much the user is lifting their lips while frowning, estimated if not present. | |
CheekPuffLeft
|
How much the user is puffing out their cheeks left side | |
CheekPuffRight
|
How much the user is puffing out their cheeks right side | |
CheekPuff
|
How much the user is puffing out their cheeks | |
CheekSuckLeft
|
How much the user is pulling in their cheeks left side | |
CheekSuckRight
|
How much the user is pulling in their cheeks right side | |
CheekSuck
|
How much the user is pulling in their cheeks | |
CheekRaiseLeft
|
||
CheekRaiseRight
|
||
CheekRaise
|
||
LipRaiseUpperLeft
|
How much the user is lifting their upper lip left side | |
LipRaiseUpperRight
|
How much the user is lifting their upper lip right side | |
LipRaiseLowerLeft
|
How much the user is lifting their lower lip left side | |
LipRaiseLowerRight
|
How much the user is lifting their lower lip right side | |
LipRaiseUpper
|
How much the user is lifting their upper lip | |
LipRaiseLower
|
How much the user is lifting their lower lip | |
LipMoveLeftUpper
|
How much the user is shifting their upper lip to the left | |
LipMoveRightUpper
|
How much the user is shifting their upper lip to the right | |
LipMoveLeftLower
|
How much the user is shifting their lower lip to the left | |
LipMoveRightLower
|
How much the user is shifting their lower lip to the right | |
LipMoveHorizontalUpper
|
How much the user is shifting their upper lip | |
LipMoveHorizontalLower
|
How much the user is shifting their lower lip | |
LipTopLeftOverturn
|
||
LipTopRightOverturn
|
||
LipTopOverturn
|
How much the user is flipping their upper lip upwards like an ape | |
LipBottomLeftOverturn
|
||
LipBottomRightOverturn
|
||
LipBottomOverturn
|
How much the user is flipping their lower lip downwards like an ape | |
LipOverlayUpper
|
||
LipOverlayUpperLeft
|
||
LipOverlayUpperRight
|
||
LipUnderlayUpper
|
How much the user is putting their upper lip under their lower lip | |
LipUnderlayUpperLeft
|
||
LipUnderlayUpperRight
|
||
LipOverlayLower
|
||
LipOverlayLowerLeft
|
||
LipOverlayLowerRight
|
||
LipUnderlayLower
|
How much the user is putting their lower lip under their upper lip | |
LipUnderlayLowerLeft
|
||
LipUnderlayLowerRight
|
||
LipStretch
|
||
LipStretchLeft
|
||
LipStretchRight
|
||
LipTighten
|
||
LipTightenLeft
|
||
LipTightenRight
|
||
LipsPress
|
||
LipsPressLeft
|
||
LipsPressRight
|
||
JawLeft
|
How much the user is shifting their lower jaw to the left | |
JawRight
|
How much the user is shifting their lower jaw to the right | |
JawHorizontal
|
How much the user is shifting their lower jaw horizontally | |
JawForward
|
How much the user is shifting their lower jaw forward | |
JawDown
|
How much the user is opening their jaw but keeping their mouth closed | |
JawOpen
|
How much the user is opening their jaw | |
Pout
|
How much the user is making a kissy face | |
PoutLeft
|
How much the user is making a kissy face left side | |
PoutRight
|
How much the user is making a kissy face right side | |
NoseWrinkle
|
How much the user's face muscles are pushing up under the nose, estimated if not present. | |
NoseWrinkleLeft
|
How much the user's face muscles are pushing up under the nose left side, estimated if not present. | |
NoseWrinkleRight
|
How much the user's face muscles are pushing up under the nose right side, estimated if not present. | |
ChinRaise
|
How much the user is pulling up their chin | |
ChinRaiseBottom
|
How much the user is pulling up their chin bottom side | |
ChinRaiseTop
|
How much the user is pulling up their chin top side |