Houdini 19.0 Nodes VOP nodes Look At Constraint

Look At Constraint VOP node

Applies a KineFX Look At constraint to a transform.

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Since 18.5

This node is a wrapper around the Look At (KineFX) VOP, providing all of the same options with the addition of support for a constraint offset and a Blend control for setting the strength of the constraint.

Parameters

Signature

Determines the allowed input type for the constraint.

Matrix Inputs

The to and up are matrix inputs.

Vector Inputs

The to and up are vector inputs.

Axes

Look At Axis: #id: lookataxis

Up Axis: #id: lookupaxis

Update Offset

Pressing this button will stash the result of the look at computation using the current inputs and set this as the 'rest' transform.

Clear Offset

Pressing this button will clear any currently stashed transforms.

Blend

The weight of the blend between the original transform and the new constrained one.

Inputs

from

The transform to which the 'look at' operation will be applied.

to

The target position to which the resulting transform will face.

up

A position used to control the 'roll' of the result.

blend

The weight of the blend between the original transform and the new constrained one.

Outputs

outxform

The input transform with the look at constraint applied.

See also

Look At Constraint