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Translate Blendshapes

This feature is used to translates blendshapes on the avatar's meshes. This allows the exporter to rename, combine and split blendshapes on a mesh in order to make them work with blendshape names Warudo expects, for example ARKit Blendshapes for face tracking.

This feature comes with the following option(s):

Preset​

This allows us to select a translation preset object for our avatar. Click the circle on the right to bring up the presets window and select one.

translation preset options

To create a new preset, right click in your Assets (Project tab) then, Pumkin > Warudo Exporter > Blendshape Translations. Alternatively, you can copy one of the existing presets that came with the tool.

Once selected, a preset can be edited by clicking the Edit button next to it. This pops up the translation window. If you try to edit a build in preset, you'll be asked to create a copy before you can edit it.

copy preset dialog

Clicking Create Copy will create a copy of the current preset and put it into your Assets folder.

Next let's look at what everything does.

translation preset ui

  • Target Blendshape. This stores the name of the resulting blendshape.
  • Source Blendshape(s). This is a list that stores the names of blendshapes to be merged into a new blendshape with the name from the Target Blendshape field.
  • Weight. This field serves as a "multiplier" for the blendshape data of each Source Blendshape. If the weight is 0, the source blendshape gets ignored. If the weight is 1, the source blendshape gets merged as is. If the weight is 2, the source blendshape is doubled in movement. If it's -1, it gets inverted and so on.
  • Side. This option allows us to split the Source Blendshape down the center of the bounds of the mesh. If Left is selected, only the vertices to the left of the center of the mesh will be included, if Right is selected only the right ones. If Both is selected, well.. the whole blendshape gets copied.

Build-in Presets​

Currently, there's two build in presets:

EchoTheNeko to ARKit​

Use this preset if your avatar comes with a EchoTheNeko face tracking prefab.

Universal Expressions to ARKit​

Use this preset if your avatar comes with Jerry's Face Tracking or Fermata Face Tracking

Would you like to see more in here or suggest improvements? Let me know!