Houdini 19.5 Nodes VOP nodes

Look At (KinefX) VOP node

Applies a KineFX Look At constraint to a transform.

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Since 18.5

This node rotates the first input transform matrix to face the position given by the to input. If the up input is connected, that input will be used to determine the roll.

This node is designed for rigging tasks and it differs from the Look At VOP node in a couple of important ways:

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

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.

Outputs

outxform

The input transform with the look at applied.

outbasis

The basis matrix3 created by the Look At Axis and Look Up Axis parameters.

See also

VOP nodes